APPENDIX: Vibrational Bands Sorted by Increasing Wavenumbers. Only bands with reliably known parameters are listed (those with wavenumbers given between parentheses in the compilation are omitted). 1) wavenumber in cm-1. 2) wavelength in micrometre. 3) band identification. 4) solar excitation rate (g-factor) in s-1. 5) molecule ___________________________________________________________________________ (1) (2) (3) (4) (5) ___________________________________________________________________________ 18.3 546.448 n7 OC3O Carbon Suboxide 28.0 357.143 n4 C3H Propynyl Radical 49.2 203.252 n1 NH2CN Cyanamide 63.4 157.729 n2 9.8 10-7 C3 C3 Radical 93.0 107.527 n18 CH3COOH Acetic Acid 104.0 96.154 n11 6.2 10-8 HC5N Cyanobutadiyne 105.0 95.238 n12 na CH3COCH3 Acetone 105.0 95.238 n13 HC6H Triacetylene 107.0 93.458 n9 C4N2 Dicyanoacetylene 109.0 91.743 n24 CH3COCH3 Acetone 130.0 76.923 n18 HCOOCH3 Methyl 160.0 62.500 n16 1.8 10-6 CH2CHCH2CN Allyl Cyanide 191.0 52.356 n16 1.4 10-6 CH2CCH3CN Methacrylonitrile 196.4 50.917 n3 c-SiC2 Silicon Dicarbide 203.0 49.261 n11 na CH3OCH3 Dimethyl Ether 203.3 49.188 n9 HC2CHO Propynal 216.0 46.296 n14 na CH3CH2CH3 Propane 220.0 45.455 n12 CH3C3N Methylcyanoacetylene 220.0 45.455 n9 3.6 10-4 HCCCCH Diacetylene 222.0 45.045 n21 CH3CH2CN Ethyl Cyanide 224.0 44.643 n20 3.4 10-5 CH3CH2OH Ethanol 224.0 44.643 n21 CH3CH2OH Ethanol 224.1 44.623 n5 HCNO Fulminic Acid 226.0 44.248 n13 2.2 10-6 CH3CH2CN Ethyl Cyanide 229.0 43.668 n15 1.5 10-6 CH2CHCN Vinyl Cyanide 233.9 42.753 n5 2.5 10-5 C2N2 Dicyanogen 242.0 41.322 n21 CH3OCH3 Dimethyl Ether 251.0 39.841 n10 1.3 10-5 HC5N Cyanobutadiyne 260.6 38.373 n12 HC2CHO Propynal 261.0 38.314 n7 na C4N2 Dicyanoacetylene 267.3 37.411 n8 CH3NC Methyl Isocyanide 268.0 37.313 n15 CH3NH2 Methylamine 268.0 37.313 n27 CH3CH2CH3 Propane 270.0 37.037 n12 4.0 10-5 CH3OH Methanol 274.0 36.496 n23 1.1 10-7 CH2CCH3CN Methacrylonitrile 278.0 35.971 1-0 KCl Potassium Chloride 289.0 34.602 n12 NH2HCO Formamide 317.0 31.546 n4 1.2 10-4 H2O2 Hydrogen Peroxide 318.0 31.447 n12 HCOOCH3 Methyl 332.0 30.120 n17 HCOOCH3 Methyl 339.0 29.499 n2 CaOH Calcium Hydroxide 339.0 29.499 n11 2.2 10-5 CH3C3N Methylcyanoacetylene 352.6 28.361 n11 CH2CCH2 Allene 361.1 27.693 1-0 NaCl Sodium Chloride 365.0 27.397 n8 1.2 10-6 CH3CN Methyl Cyanide 369.0 27.100 n9 CH3CH2CH3 Propane 370.0 27.027 n2 NCN 371.6 26.911 n2 C2H Ethynyl Radical 377.0 26.525 n7 NH2NH2 Hydrazine 378.0 26.455 n20 CH3CH2CN Ethyl Cyanide 379.4 26.357 n2 C2O Dicarbon Monoxide 385.0 25.974 n8 7.0 10-7 CH3COCH3 Acetone 396.7 25.208 n2 7.7 10-6 CS2 Carbon Disulphide 404.0 24.752 n6 H2C2S Thioketene 418.0 23.923 n7 4.3 10-6 CH3OCH3 Dimethyl Ether 422.0 23.697 n13 7.8 10-6 CH3CH2OH Ethanol 427.5 23.392 n14 CH3CHCH2 Propylene 439.0 22.779 n9 H2CCO Ketene 458.0 21.834 n4 HCCN 458.7 21.801 1-0 CaS Calcium Suphide 463.0 21.598 n9 1.1 10-7 HC5N Cyanobutadiyne 464.2 21.542 n2 4.8 10-4 HNC Hydrogen Isocyanide 467.0 21.413 n7 (H2CO)3 Trioxane 469.2 21.313 n5 HNCS Thioisocyanic Acid 472.0 21.186 n8 C4N2 Dicyanoacetylene 482.7 20.717 n7 na HCCCCH Diacetylene 484.0 20.661 n23 CH3COCH3 Acetone 498.7 20.052 n6 2.6 10-5 HC3N Cyanoacetylene 499.0 20.040 n10 2.9 10-5 CH3C3N Methylcyanoacetylene 502.8 19.889 n4 na C2N2 Dicyanogen 505.0 19.802 n6 na C4N2 Dicyanoacetylene 511.4 19.554 n2 CO2+ Carbon Dioxide Ion 517.6 19.320 n2 3.7 10-5 SO2 Sulphur Dioxide 520.4 19.216 n2 4.2 10-6 OCS Carbonyl Sulphide 523.1 19.117 n6 HNCS Thioisocyanic Acid 523.3 19.109 1-0 MgS Magnesium Sulphide 525.0 19.048 n19 (H2CO)3 Trioxane 526.9 18.979 n6 H2CCO Ketene 530.0 18.868 n19 2.3 10-5 CH3COCH3 Acetone 534.0 18.727 n17 CH3COOH Acetic Acid 535.0 18.692 n22 1.1 10-5 CH2CCH3CN Methacrylonitrile 535.4 18.678 n2 NCO NCO Radical 537.2 18.615 n4 HCNO Fulminic Acid 545.0 18.349 n12 CH3CH2CN Ethyl Cyanide 557.0 17.953 n22 2.2 10-5 CH2CHCH2CN Allyl Cyanide 565.6 17.680 n2 HPO 565.8 17.674 n9 NH2HCO Formamide 566.0 17.668 n8 6.6 10-5 HC5N Cyanobutadiyne 577.3 17.322 n5 HNCO Isocyanic Acid 577.6 17.313 n20 CH3CHCH2 Propylene 580.2 17.235 n5 na OC3O Carbon Suboxide 581.0 17.212 n12 CH3COOH Acetic Acid 582.9 17.156 n4 HNCS Thioisocyanic Acid 587.4 17.024 n5 H2CCO Ketene 589.0 16.978 n2 1.1 10-5 N2O Nitrous Oxide 602.4 16.600 n11 NH2HCO Formamide 606.0 16.502 n3 CaOH Calcium Hydroxide 606.5 16.488 n2 2.3 10-4 CH3 Methyl Radical 608.1 16.445 n18 na C6H6 Benzene 611.7 16.348 n4 na CHCH Acetylene 614.7 16.268 n8 HC2CHO Propynal 620.0 16.129 n3 na C4N2 Dicyanoacetylene 620.6 16.113 n5 HCCNC Isocyanoacetylene 621.3 16.095 n11 HC6H Triacetylene 622.4 16.067 n8 na HC6H Triacetylene 625.0 16.000 n7 3.4 10-5 HCOOH Formic Acid 625.6 15.985 n6 na HCCCCH Diacetylene 627.9 15.926 n8 1.9 10-4 HCCCCH Diacetylene 638.6 15.659 n9 1.4 10-4 CH3CCH Propyne 642.0 15.576 n9 2.6 10-4 HCOOH Formic Acid 642.0 15.576 n6 1.2 10-5 CH3C3N Methylcyanoacetylene 642.0 15.576 n16 CH3COOH Acetic Acid 645.9 15.482 n5 HCNH+ Protonated Hydrogen 653.0 15.314 n6 CH3O Methoxy Radical 656.3 15.237 n6 HNCO Isocyanic Acid 657.0 15.221 n11 CH3COOH Acetic Acid 658.0 15.198 n1 na CS2 Carbon Disulphide 662.8 15.088 n7 HC2CHO Propynal 663.4 15.074 n5 2.8 10-4 HC3N Cyanoacetylene 663.8 15.065 n5 CH2CN Cyanomethyl Radical 667.4 14.984 n2 8.2 10-5 CO2 Carbon Dioxide 673.5 14.848 n4 1.0 10-4 C6H6 Benzene 674.7 14.821 n2 HCP Methinophosphide 683.0 14.641 n12 1.4 10-5 CH2CHCN Vinyl Cyanide 685.0 14.599 n7 2.7 10-4 HC5N Cyanobutadiyne 685.2 14.594 n2 N2H+ Protonated Nitrogen 692.0 14.451 n5 H2C2S Thioketene 692.7 14.436 n11 HC2CHO Propynal 698.9 14.308 n14 CH2CHOH Vinyl Alcohol 701.0 14.265 n2 7.0 10-6 O3 Ozone 704.0 14.205 n4 CH3SH Methyl Mercaptan 713.5 14.015 n2 9.5 10-5 HCN Hydrogen Cyanide 720.0 13.889 1-0 na S2 Diatomic Sulphur 722.5 13.841 1-0 CaO Calcium Monoxide 724.4 13.805 n3 2.1 10-5 HOCl Hypochlorous Acid 729.1 13.716 n5 2.8 10-4 CHCH Acetylene 732.0 13.661 n21 4.5 10-6 CH2CCH3CN Methacrylonitrile 733.6 13.631 1-0 PS Phosphorus Sulphide 744.5 13.432 1-0 5.8 10-5 SiS Silicon Sulphide 748.0 13.369 n26 CH3CH2CH3 Propane 749.8 13.337 n2 6.7 10-6 NO2 Nitrogen Dioxide 752.0 13.298 n6 (H2CO)3 Trioxane 766.5 13.046 n2 HCS+ Thioformyl Ion 767.0 13.038 n11 HCOOCH3 Methyl 767.1 13.036 n14 7.4 10-6 CH3CHO Acetaldehyde 774.8 12.907 1-0 MgO Magnesium Monoxide 776.6 12.877 n4 HNCO Isocyanic Acid 777.0 12.870 n7 4.4 10-5 CH3COCH3 Acetone 780.0 12.821 n6 NH2NH2 Hydrazine 780.0 12.821 n9 CH3NH2 Methylamine 786.0 12.723 n19 4.3 10-6 CH3CH2CN Ethyl Cyanide 787.7 12.695 n2 na OC3O Carbon Suboxide 792.7 12.615 1-0 AlF Aluminium Fluoride 801.0 12.484 n19 2.2 10-6 CH3CH2OH Ethanol 801.6 12.475 n4 HCNH+ Protonated Hydrogen 803.0 12.453 n8 CH3SH Methyl Mercaptan 816.7 12.244 n13 CH2CHOH Vinyl Alcohol 819.0 12.210 n4 GeH4 Germane 822.0 12.165 n15 c-C2H4O Ethylene Oxide 829.7 12.053 n2 7.0 10-5 HCO+ Formyl Ion 836.0 11.962 n11 CH3CH2CN Ethyl Cyanide 842.6 11.868 1-0 6.1 10-6 ClO Chlorine Monoxide 845.5 11.827 n2 na C2N2 Dicyanogen 847.0 11.806 n10 CH3COOH Acetic Acid 850.0 11.765 n4 H2C2S Thioketene 857.0 11.669 n3 HNCS Thioisocyanic Acid 857.7 11.659 n3 HPO 858.9 11.643 n1 1.7 10-5 OCS Carbonyl Sulphide 860.0 11.628 n8 c-C2H4O Ethylene Oxide 863.0 11.587 n3 5.2 10-7 H2O2 Hydrogen Peroxide 866.1 11.546 1-0 CCl Carbon Monochloride 869.0 11.507 n8 CH3CH2CH3 Propane 869.0 11.507 n11 3.4 10-6 CH2CHCN Vinyl Cyanide 872.0 11.468 n3 na HCCCCH Diacetylene 877.0 11.403 n11 na CH3COCH3 Acetone 877.0 11.403 n5 c-C2H4O Ethylene Oxide 883.0 11.325 n12 2.4 10-5 CH3CH2OH Ethanol 891.0 11.223 n18 1.7 10-5 CH3COCH3 Acetone 892.0 11.211 n12 c-C2H4O Ethylene Oxide 895.2 11.171 n7 CH2CH Vinyl Radical 912.4 10.960 n19 CH3CHCH2 Propylene 914.0 10.941 n4 8.8 10-4 SiH4 Silane 920.3 10.866 n4 3.8 10-6 CH3CN Methyl Cyanide 920.4 10.865 n13 CH3CHCH2 Propylene 922.0 10.846 n21 CH3CH2CH3 Propane 922.0 10.846 n8 H2C2S Thioketene 925.0 10.811 n10 HCOOCH3 Methyl 928.0 10.776 n6 7.7 10-5 CH3OCH3 Dimethyl Ether 928.0 10.776 n20 7.2 10-5 CH2CCH3CN Methacrylonitrile 930.0 10.753 n21 CH2CHCH2CN Allyl Cyanide 930.3 10.749 n5 1.5 10-6 CH3CCH Propyne 931.0 10.741 n2 na GeH4 Germane 934.9 10.696 n6 HC2CHO Propynal 937.0 10.672 n12 NH2NH2 Hydrazine 940.0 10.638 n13 na CH3CH2CH3 Propane 942.0 10.616 n20 6.2 10-5 CH2CHCH2CN Allyl Cyanide 944.0 10.593 n18 (H2CO)3 Trioxane 944.8 10.584 n3 na CH3CH3 Ethane 944.9 10.583 n4 3.4 10-5 CH3NC Methyl Isocyanide 947.6 10.553 n10 CH2CHOH Vinyl Alcohol 949.2 10.535 n7 1.8 10-4 CH2CH2 Ethylene 950.0 10.526 n2 3.2 10-4 NH3 Ammonia 953.2 10.491 1-0 SiC SiC Radical 954.0 10.482 n10 5.7 10-5 CH2CHCN Vinyl Cyanide 954.4 10.478 n2 H3O+ Hydronium Ion 955.1 10.470 n4 HCCNC Isocyanoacetylene 956.0 10.460 n9 H2C2S Thioketene 963.1 10.383 n2 CH2 Methylene Radical 965.0 10.363 1-0 2.3 10-4 FeO Iron Monoxide 965.5 10.357 1-0 4.1 10-4 AlO Aluminium Monoxide 971.0 10.299 n9 5.7 10-5 CH2CHCN Vinyl Cyanide 972.5 10.283 n12 CH2CHOH Vinyl Alcohol 975.0 10.256 n2 na SiH4 Silane 977.8 10.227 n8 H2CCO Ketene 978.0 10.225 n5 (H2CO)3 Trioxane 981.2 10.192 n10 HC2CHO Propynal 987.0 10.132 n19 5.0 10-5 CH2CHCH2CN Allyl Cyanide 988.4 10.117 n7 CH3CP Ethylidynephosphine 989.0 10.111 n9 CH3COOH Acetic Acid 990.2 10.099 n4 H2CS Thioformaldehyde 990.6 10.095 n18 CH3CHCH2 Propylene 991.0 10.091 n6 H2CS Thioformaldehyde 992.0 10.081 n2 6.1 10-5 PH3 Phosphine 993.1 10.069 n2 na C6H6 Benzene 997.1 10.029 n2 SiH2 Silylene 1000.0 10.000 1-0 TiO Titanium Monoxide 1005.0 9.950 n10 CH3CH2CN Ethyl Cyanide 1018.0 9.823 n11 7.2 10-6 CH2CCH3CN Methacrylonitrile 1022.0 9.785 n18 CH3CH2CN Ethyl Cyanide 1027.0 9.737 n11 CH3CH2OH Ethanol 1030.0 9.709 n9 1.5 10-5 CH3C3N Methylcyanoacetylene 1032.0 9.690 n16 HCOOCH3 Methyl 1033.0 9.681 n8 1.8 10-6 HCOOH Formic Acid 1033.0 9.681 n8 2.5 10-4 CH3OH Methanol 1033.3 9.678 n10 NH2HCO Formamide 1034.2 9.669 n2 H2Se Hydrogen Selenide 1036.1 9.652 n8 6.1 10-7 CH3CCH Propyne 1037.5 9.639 n14 2.0 10-4 C6H6 Benzene 1041.9 9.598 n7 1.6 10-5 CH3CN Methyl Cyanide 1042.0 9.597 n3 2.3 10-4 O3 Ozone 1044.0 9.579 n8 CH3NH2 Methylamine 1044.7 9.572 n17 CH3CHCH2 Propylene 1045.7 9.563 n8 NH2HCO Formamide 1047.0 9.551 n3 CH3O Methoxy Radical 1048.0 9.542 n15 CH3COOH Acetic Acid 1050.8 9.517 n3 C2N 1054.0 9.488 n20 CH3CH2CH3 Propane 1054.8 9.480 1-0 LiH Lithium Hydride 1058.2 9.450 n7 CH2NH Methanimine 1059.2 9.441 n3 H2CS Thioformaldehyde 1060.0 9.434 n7 CH3SH Methyl Mercaptan 1060.8 9.427 n9 CH2NH Methanimine 1061.0 9.425 n10 2.7 10-4 CH3CH2OH Ethanol 1066.0 9.381 n6 1.3 10-5 CH3COCH3 Acetone 1071.0 9.337 n17 (H2CO)3 Trioxane 1075.0 9.302 n7 CH3OH Methanol 1077.0 9.285 n9 2.3 10-5 CH3CH2CN Ethyl Cyanide 1080.8 9.252 n2 HCO Formyl Radical 1091.0 9.166 n22 CH3COCH3 Acetone 1095.0 9.132 n8 5.3 10-6 CH2CHCN Vinyl Cyanide 1097.6 9.111 n3 1.9 10-5 HO2 Hydroperoxyl Radical 1097.9 9.108 n9 CH2CHOH Vinyl Alcohol 1098.0 9.107 n18 CH3CH2OH Ethanol 1098.0 9.107 n5 NH2NH2 Hydrazine 1102.0 9.074 n17 1.2 10-4 CH3OCH3 Dimethyl Ether 1103.0 9.066 n1 9.3 10-6 O3 Ozone 1104.0 9.058 n6 6.6 10-4 HCOOH Formic Acid 1117.8 8.946 n4 H2CCO Ketene 1118.0 8.945 n4 5.2 10-5 PH3 Phosphine 1120.0 8.929 n4 c-C2H4O Ethylene Oxide 1127.0 8.873 n8 CH2NH Methanimine 1127.0 8.873 n3 HOSi+ 1130.0 8.850 n7 CH3NH2 Methylamine 1130.7 8.844 n7 CH3NC Methyl Isocyanide 1132.7 8.828 1-0 8.3 10-4 NaH Sodium Hydride 1138.0 8.787 1-0 SO Sulphur Monoxide 1138.4 8.784 1-0 SiN Silicon Nitride 1142.0 8.757 n14 c-C2H4O Ethylene Oxide 1145.0 8.734 n11 CH3OH Methanol 1148.5 8.707 n10 na C6H6 Benzene 1150.0 8.696 n10 na CH3OCH3 Dimethyl Ether 1151.0 8.688 n11 c-C2H4O Ethylene Oxide 1151.3 8.686 n1 6.1 10-5 SO2 Sulphur Dioxide 1155.0 8.658 n5 C4N2 Dicyanoacetylene 1155.0 8.658 n6 4.7 10-5 CH3D d-Methane 1158.0 8.636 n7 CH3CH2CH3 Propane 1166.0 8.576 n9 HCOOCH3 Methyl 1167.3 8.567 n4 1.7 10-5 H2CO Formaldehyde 1168.0 8.562 n15 HCOOCH3 Methyl 1171.9 8.533 n12 CH3CHCH2 Propylene 1177.8 8.490 n17 na C6H6 Benzene 1178.0 8.489 n3 HCCN 1178.0 8.489 n16 (H2CO)3 Trioxane 1179.0 8.482 n20 CH3OCH3 Dimethyl Ether 1182.0 8.460 n8 CH3COOH Acetic Acid 1183.0 8.453 n2 1.3 10-6 H2S Hydrogen Sulphide 1192.0 8.389 n25 CH3CH2CH3 Propane 1195.0 8.368 n14 CH3NH2 Methylamine 1197.0 8.354 n1 na NCN 1204.2 8.304 1-0 NS Nitrogen Sulphide 1207.0 8.285 n8 HCOOCH3 Methyl 1216.0 8.224 n17 1.9 10-4 CH3COCH3 Acetone 1220.2 8.195 1-0 PO Phosphorus Monoxide 1223.0 8.177 n5 4.1 10-5 HCOOH Formic Acid 1224.5 8.167 n1 na C3 C3 Radical 1227.0 8.150 n16 3.0 10-4 CH3OCH3 Dimethyl Ether 1229.6 8.133 1-0 SiO Silicon Monoxide 1234.0 8.104 n4 (H2CO)3 Trioxane 1238.6 8.074 n2 2.0 10-4 HOCl Hypochlorous Acid 1241.0 8.058 n17 CH3CH2OH Ethanol 1241.0 8.058 n9 6.3 10-5 CH3CH2OH Ethanol 1244.0 8.039 n5 8.7 10-6 CH3OCH3 Dimethyl Ether 1244.3 8.037 n1 na CO2+ Carbon Dioxide Ion 1249.1 8.006 n6 2.8 10-5 H2CO Formaldehyde 1253.4 7.978 n3 HCNO Fulminic Acid 1256.0 7.962 n17 CH3CH2CN Ethyl Cyanide 1258.2 7.948 n7 NH2HCO Formamide 1259.7 7.938 n8 CH2CHOH Vinyl Alcohol 1260.1 7.936 1-0 CaH Calcium Hydride 1264.0 7.911 n7 CH3COOH Acetic Acid 1266.0 7.899 n6 2.0 10-4 H2O2 Hydrogen Peroxide 1271.0 7.868 n3 c-C2H4O Ethylene Oxide 1272.2 7.860 1-0 CS Carbon Monosulphide 1273.0 7.855 n10 1.9 10-5 CH2CCH3CN Methacrylonitrile 1273.0 7.855 n1 NCO NCO Radical 1275.0 7.843 n11 NH2NH2 Hydrazine 1277.4 7.828 n3 c-C3H2 Cyclopropenylidene 1278.0 7.825 n12 na CH3CH2CH3 Propane 1278.3 7.823 n3 HCP Methinophosphide 1285.0 7.782 n3 1.8 10-4 N2O Nitrous Oxide 1288.6 7.760 n4 N2H2 Diazine 1300.0 7.692 n7 c-C2H4O Ethylene Oxide 1300.0 7.692 n7 CH2CHOH Vinyl Alcohol 1300.0 7.692 n3 4.3 10-5 CH3D d-Methane 1305.0 7.663 n15 (H2CO)3 Trioxane 1306.2 7.656 n4 1.1 10-4 CH4 Methane 1309.8 7.635 n9 na C6H6 Benzene 1316.4 7.596 n6 N2H2 Diazine 1319.0 7.582 n8 1.3 10-5 CH3CH2CN Ethyl Cyanide 1319.8 7.577 n1 1.3 10-6 NO2 Nitrogen Dioxide 1323.3 7.557 1-0 PN Phosphorus Nitride 1331.0 7.513 n3 H2C2S Thioketene 1335.0 7.491 n3 CH3SH Methyl Mercaptan 1335.0 7.491 n6 CH3OH Methanol 1338.0 7.474 n19 CH3CH2CH3 Propane 1344.3 7.439 n6 CH2NH Methanimine 1360.0 7.353 1-0 SO+ Sulphur Monoxide Ion 1361.7 7.344 n3 6.6 10-4 SO2 Sulphur Dioxide 1362.0 7.342 n2 CH3O Methoxy Radical 1364.0 7.331 n16 CH3COCH3 Acetone 1364.0 7.331 n5 2.1 10-4 CH3COCH3 Acetone 1366.9 7.316 n3 CH3CP Ethylidynephosphine 1371.0 7.294 n7 HCOOCH3 Methyl 1377.6 7.259 n9 CH3CHCH2 Propylene 1378.0 7.257 n18 CH3CH2CH3 Propane 1381.0 7.241 n4 2.3 10-6 HCOOH Formic Acid 1382.0 7.236 n6 CH3COOH Acetic Acid 1383.3 7.229 n5 HC2CHO Propynal 1384.0 7.225 1-0 CS+ Carbon Monosulphide 1385.0 7.220 n9 2.5 10-5 CH2CCH3CN Methacrylonitrile 1387.0 7.210 n7 CH3CH2CN Ethyl Cyanide 1388.2 7.204 n1 na CO2 Carbon Dioxide 1388.4 7.203 n2 na CH3CH3 Ethane 1390.7 7.191 n6 NH2HCO Formamide 1391.7 7.185 n2 4.5 10-5 HO2 Hydroperoxyl Radical 1392.0 7.184 n6 CH3CH2CH3 Propane 1393.0 7.179 n8 CH3CH2OH Ethanol 1393.0 7.179 n7 CH3CH2OH Ethanol 1393.0 7.179 n2 2.3 10-6 H2O2 Hydrogen Peroxide 1402.0 7.133 n2 1.6 10-4 HDO d-Water 1408.4 7.100 n2 4.8 10-4 H2O+ Water Ion 1410.0 7.092 n14 (H2CO)3 Trioxane 1410.0 7.092 n15 CH3COCH3 Acetone 1411.8 7.083 n6 CH2CHOH Vinyl Alcohol 1416.0 7.062 n6 1.9 10-5 CH2CHCN Vinyl Cyanide 1419.0 7.047 n13 CH3NH2 Methylamine 1419.2 7.046 n8 CH3CHCH2 Propylene 1426.0 7.013 n10 na CH3COCH3 Acetone 1430.0 6.993 n14 CH3COOH Acetic Acid 1430.0 6.993 n5 CH3COOH Acetic Acid 1430.0 6.993 n6 CH3NH2 Methylamine 1431.0 6.988 n8 5.5 10-5 CH2CHCH2CN Allyl Cyanide 1432.0 6.983 1-0 LiH Lithium Hydride 1433.0 6.978 n6 CH3CH2CN Ethyl Cyanide 1435.0 6.969 n4 1.1 10-4 CH3COCH3 Acetone 1437.5 6.957 n6 CH3CP Ethylidynephosphine 1442.6 6.932 n16 CH3CHCH2 Propylene 1443.0 6.930 n14 HCOOCH3 Methyl 1443.5 6.928 n12 3.2 10-5 CH2CH2 Ethylene 1445.0 6.920 n6 HCOOCH3 Methyl 1445.0 6.920 n8 1.2 10-4 CH3C3N Methylcyanoacetylene 1447.2 6.910 n4 NH4+ Ammonium Ion 1450.0 6.897 n6 CH3CH2OH Ethanol 1451.0 6.892 n16 CH3CH2OH Ethanol 1451.0 6.892 n11 na CH3CH2CH3 Propane 1452.0 6.887 n5 CH2NH Methanimine 1452.0 6.887 n15 CH3OCH3 Dimethyl Ether 1452.0 6.887 n4 CH3OCH3 Dimethyl Ether 1453.0 6.882 n18 CH2CCH3CN Methacrylonitrile 1453.0 6.882 n7 4.0 10-5 CH2CCH3CN Methacrylonitrile 1454.0 6.878 n5 HCOOCH3 Methyl 1454.0 6.878 n21 CH3COCH3 Acetone 1454.0 6.878 n5 CH3OH Methanol 1457.3 6.862 n2 H2CS Thioformaldehyde 1462.0 6.840 n5 CH3CH2CH3 Propane 1464.0 6.831 n19 CH3OCH3 Dimethyl Ether 1464.0 6.831 n14 CH3OCH3 Dimethyl Ether 1464.0 6.831 n9 na CH3OCH3 Dimethyl Ether 1464.0 6.831 n3 8.4 10-5 CH3OCH3 Dimethyl Ether 1464.0 6.831 n17 CH3CH2CH3 Propane 1465.0 6.826 n10 CH3OH Methanol 1465.0 6.826 n16 CH3CH2CN Ethyl Cyanide 1465.0 6.826 n5 5.7 10-5 CH3CH2CN Ethyl Cyanide 1466.0 6.821 n3 NCN 1469.0 6.807 n3 CO2+ Carbon Dioxide Ion 1471.0 6.798 n5 9.8 10-6 CH3D d-Methane 1472.0 6.793 n24 CH3CH2CH3 Propane 1472.0 6.793 n10 c-C2H4O Ethylene Oxide 1473.0 6.789 n5 CH3NH2 Methylamine 1473.6 6.786 n7 CH3CHCH2 Propylene 1475.0 6.780 n6 CH3SH Methyl Mercaptan 1476.0 6.775 n4 CH3CH2CH3 Propane 1478.0 6.766 n4 1.0 10-4 CH3OH Methanol 1481.0 6.752 n13 (H2CO)3 Trioxane 1482.0 6.748 n5 1.2 10-4 CH3CH2OH Ethanol 1485.0 6.734 n12 CH3NH2 Methylamine 1487.0 6.725 n5 CH3O Methoxy Radical 1493.0 6.698 n3 NH2NH2 Hydrazine 1495.0 6.689 n3 (H2CO)3 Trioxane 1497.3 6.679 n2 NH2 Aminyl Radical 1498.0 6.676 n2 c-C2H4O Ethylene Oxide 1500.2 6.666 n3 3.6 10-5 H2CO Formaldehyde 1500.8 6.663 n3 HNO Nitroxyl 1532.5 6.525 n3 2.4 10-3 CS2 Carbon Disulphide 1533.6 6.521 n2 na, 1.5 CH4 Methane 1548.6 6.457 n3 C4 C4 Radical 1556.2 6.426 1-0 na 1.52 10 O2 Molecular Oxygen 1558.7 6.416 n2 CH3CP Ethylidynephosphine 1565.3 6.389 n2 HNO Nitroxyl 1578.9 6.334 n5 NH2HCO Formamide 1587.4 6.300 n4 1.1 10-4 OC3O Carbon Suboxide 1594.7 6.271 n2 2.21 10-4 H2O Water 1608.0 6.219 n10 NH2NH2 Hydrazine 1609.5 6.213 n16 na C6H6 Benzene 1616.0 6.188 n5 1.4 10-5 CH2CHCN Vinyl Cyanide 1616.8 6.185 n3 9.8 10-4 NO2 Nitrogen Dioxide 1618.0 6.180 1-0 na C2 Dicarbide 1623.0 6.161 n4 CH3NH2 Methylamine 1624.4 6.156 1-0 AlH Aluminium Hydride 1627.0 6.146 n4 1.1 10-4 NH3 Ammonia 1635.0 6.116 n6 5.4 10-5 CH2CCH3CN Methacrylonitrile 1635.2 6.115 1-0 MgH+ Magnesium Hydride Io 1638.3 6.104 n4 CH2NH Methanimine 1644.5 6.081 n5 CH2CHOH Vinyl Alcohol 1650.0 6.061 n6 5.7 10-6 CH2CHCH2CN Allyl Cyanide 1651.6 6.055 n6 CH3CHCH2 Propylene 1698.2 5.889 n4 HC2CHO Propynal 1731.0 5.777 n3 5.6 10-4 CH3COCH3 Acetone 1735.0 5.764 n2 HCCN 1746.0 5.727 n2 2.6 10-4 H2CO Formaldehyde 1754.0 5.701 n4 HCOOCH3 Methyl 1754.1 5.701 n4 NH2HCO Formamide 1757.0 5.692 n2 H2C2S Thioketene 1777.0 5.627 n3 1.1 10-3 HCOOH Formic Acid 1788.0 5.593 n4 CH3COOH Acetic Acid 1828.0 5.470 1-0 na C2 Dicarbide 1840.6 5.433 n3 C2H Ethynyl Radical 1852.6 5.398 n2 HOCO Hydroxyformyl Radica 1868.2 5.353 n3 HCO Formyl Radical 1876.0 5.330 1-0 1.2 10-4 NO Nitric Oxide 1894.0 5.280 n5 C7 C7 Radical 1921.3 5.205 n3 NCO NCO Radical 1923.2 5.200 n1 C2N 1970.4 5.075 1-0 SiH Silicon Hydride 1970.9 5.074 n1 C2O Dicarbon Monoxide 1973.5 5.067 n2 na CHCH Acetylene 1975.2 5.063 n1 SiH2 Silylene 1989.0 5.028 n2 HNCS Thioisocyanic Acid 2000.8 4.998 1-0 CN+ Cyanogen Ion 2014.0 4.965 n6 C9 C9 Radical 2022.2 4.945 n5 7.7 10-6 HCCCCH Diacetylene 2023.9 4.941 n3 3.7 10-4 HNC Hydrogen Isocyanide 2036.7 4.910 n3 HCCNC Isocyanoacetylene 2040.0 4.902 n3 4.1 10-3 C3 C3 Radical 2042.4 4.896 1-0 2 10-5 CN Cyanogen Radical 2053.0 4.871 n1 C3S C3S Radical 2062.2 4.849 n3 2.5 10-3 OCS Carbonyl Sulphide 2080.0 4.808 n5 C9 C9 Radical 2096.7 4.769 n1 1.3 10-7 HCN Hydrogen Cyanide 2106.0 4.748 n1 na GeH4 Germane 2110.4 4.738 n3 HC2CHO Propynal 2114.0 4.730 n3 1.1 10-3 GeH4 Germane 2115.2 4.728 n1 2.9 10-4 AsH3 Arsine 2123.0 4.710 n2 na C4N2 Dicyanoacetylene 2126.4 4.703 n3 8.0 10-4 AsH3 Arsine 2128.0 4.699 n4 C7 C7 Radical 2128.9 4.697 n6 HC6H Triacetylene 2143.2 4.666 1-0 2.6 10-4 CO Carbon Monoxide 2151.8 4.647 n2 H2CCO Ketene 2155.7 4.639 n3 HCNH+ Protonated Hydrogen 2157.8 4.634 n3 2.2 10-5 C2N2 Dicyanogen 2169.4 4.610 n3 4 10-3 C5 C5 Radical 2174.8 4.598 1-0 na N2+ Dinitrogen Ion 2183.9 4.579 n3 3.5 10-4 HCO+ Formyl Ion 2183.9 4.579 1-0 CO+ Carbon Monoxide Ion 2187.0 4.572 n1 na SiH4 Silane 2188.9 4.569 n2 na HCCCCH Diacetylene 2191.0 4.564 n3 1.4 10-3 SiH4 Silane 2195.8 4.554 n2 HCNO Fulminic Acid 2196.9 4.552 n1 na OC3O Carbon Suboxide 2200.0 4.545 n2 2.2 10-5 CH3D d-Methane 2206.3 4.532 n2 3.1 10-4 H2D+ 2218.6 4.507 n2 HCCNC Isocyanoacetylene 2224.0 4.496 n1 1.5 10-3 N2O Nitrous Oxide 2227.0 4.490 n5 1.1 10-5 CH2CCH3CN Methacrylonitrile 2229.6 4.485 1-0 4.1 10-7 HI Hydrogen Iodide 2239.0 4.466 n4 1.3 10-6 CH2CHCN Vinyl Cyanide 2245.0 4.454 n4 C4N2 Dicyanoacetylene 2254.0 4.437 n4 1.2 10-5 CH3CH2CN Ethyl Cyanide 2257.2 4.430 n1 C3O Tricarbon Monoxide 2257.9 4.429 n3 N2H+ Protonated Nitrogen 2263.0 4.419 n5 7.4 10-6 CH2CHCH2CN Allyl Cyanide 2268.9 4.407 n2 HNCO Isocyanic Acid 2271.0 4.403 n2 2.9 10-4 CH3C3N Methylcyanoacetylene 2276.2 4.393 1-0 PH Phosphorus Hydride 2289.9 4.367 n3 1.0 10-2 OC3O Carbon Suboxide 2297.0 4.354 n1 na C4N2 Dicyanoacetylene 2315.1 4.319 n3 HC3NH+ Protonated Cyanoacet 2323.0 4.305 n1 1.3 10-4 PH3 Phosphine 2328.0 4.296 n3 4.7 10-4 PH3 Phosphine 2330.0 4.292 1-0 na 1.6 10- N2 Molecular Nitrogen 2330.5 4.291 n1 na C2N2 Dicyanogen 2335.0 4.283 n3 2.1 10-4 H2D+ 2344.0 4.266 1-0 7.6 10-5 NO+ Nitric Oxide Ion 2344.4 4.265 n1 H2Se Hydrogen Selenide 2349.1 4.257 n3 2.6 10-3 CO2 Carbon Dioxide 2357.7 4.241 n3 H2Se Hydrogen Selenide 2434.5 4.108 n1 HCO Formyl Radical 2449.0 4.083 1-0 SH+ Sulphur Hydride Ion 2521.3 3.966 n2 1.1 10-3 H3+ Protonated Dihydroge 2558.9 3.908 1-0 4.5 10-5 HBr Hydrogen Bromide 2598.8 3.848 1-0 SH Sulphur Hydride 2607.0 3.836 n2 CH3SH Methyl Mercaptan 2615.0 3.824 n1 6.0 10-7 H2S Hydrogen Sulphide 2627.0 3.807 n3 1.5 10-7 H2S Hydrogen Sulphide 2632.1 3.799 1-0 OD d-Hydroxyl Radical 2683.9 3.726 n1 HNO Nitroxyl 2727.0 3.667 n1 6.5 10-5 HDO d-Water 2733.0 3.659 1-0 6.4 10-4 CH Methyladyne Radical 2753.6 3.632 1-0 CH+ Methylidyne Ion 2774.0 3.605 n4 CH3O Methoxy Radical 2782.5 3.594 n1 3.9 10-4 H2CO Formaldehyde 2790.0 3.584 n2 (H2CO)3 Trioxane 2817.0 3.550 n13 CH3OCH3 Dimethyl Ether 2817.0 3.550 n2 4.3 10-4 CH3OCH3 Dimethyl Ether 2820.0 3.546 n3 CH3NH2 Methylamine 2840.0 3.521 n1 CH3O Methoxy Radical 2843.3 3.517 n5 4.6 10-4 H2CO Formaldehyde 2844.0 3.516 n3 CH3OH Methanol 2849.0 3.510 n15 CH3CH2CN Ethyl Cyanide 2852.0 3.506 n12 (H2CO)3 Trioxane 2852.0 3.506 n1 (H2CO)3 Trioxane 2853.6 3.504 n3 NH2HCO Formamide 2858.2 3.499 n2 HC2CHO Propynal 2869.0 3.486 n1 CH3SH Methyl Mercaptan 2869.8 3.485 n5 CH3CHCH2 Propylene 2883.9 3.468 1-0 1.7 10-4 HCl Hydrogen Chloride 2887.0 3.464 n16 CH3CH2CH3 Propane 2887.0 3.464 n3 CH3CH2CH3 Propane 2890.0 3.460 n4 CH3CH2OH Ethanol 2895.7 3.453 n5 CH3CH3 Ethane 2900.0 3.448 n3 CH3CH2CN Ethyl Cyanide 2901.0 3.447 n3 4.7 10-4 CH3CH2OH Ethanol 2903.3 3.444 n1 CH3CP Ethylidynephosphine 2914.2 3.431 n3 CH2NH Methanimine 2916.5 3.429 n1 na, 0.032 CH4 Methane 2922.0 3.422 1-0 NH+ Nitrogen Hydride Ion 2925.0 3.419 n18 8.9 10-4 CH3OCH3 Dimethyl Ether 2930.0 3.413 n15 CH3CH2OH Ethanol 2932.7 3.410 n4 CH3CHCH2 Propylene 2937.0 3.405 n14 CH3COCH3 Acetone 2937.0 3.405 n2 1.6 10-4 CH3COCH3 Acetone 2938.0 3.404 n1 4.7 10-5 CH3C3N Methylcyanoacetylene 2939.0 3.403 n17 2.8 10-5 CH2CHCH2CN Allyl Cyanide 2941.0 3.400 n2 1.0 10-4 CH3CCH Propyne 2942.0 3.399 n2 1.9 10-4 HCOOH Formic Acid 2943.0 3.398 n3 HCOOCH3 Methyl 2944.0 3.397 n3 CH3COOH Acetic Acid 2945.0 3.396 n1 3.3 10-5 CH3D d-Methane 2952.0 3.388 n8 na CH3OCH3 Dimethyl Ether 2953.8 3.385 n1 na CH3CH3 Ethane 2954.0 3.385 n15 CH3CHCH2 Propylene 2955.0 3.384 n2 CH3CH2CN Ethyl Cyanide 2956.4 3.382 1-0 1.3 10-3 OH+ Hydroxyl Ion 2961.0 3.377 n2 CH3NH2 Methylamine 2962.0 3.376 n2 CH3CH2CH3 Propane 2963.0 3.375 n9 na CH3COCH3 Acetone 2965.7 3.372 n1 8.6 10-5 CH3NC Methyl Isocyanide 2966.0 3.372 n5 CH3CP Ethylidynephosphine 2967.0 3.370 n10 na CH3CH2CH3 Propane 2968.0 3.369 n23 CH3CH2CH3 Propane 2968.0 3.369 n15 CH3CH2CH3 Propane 2969.0 3.368 n2 HCOOCH3 Methyl 2970.0 3.367 n9 CH3OH Methanol 2971.0 3.366 n1 H2CS Thioformaldehyde 2971.0 3.366 n2 3.9 10-4 CH3CH2OH Ethanol 2972.0 3.365 n20 CH3COCH3 Acetone 2973.0 3.364 n22 CH3CH2CH3 Propane 2976.0 3.360 n17 CH2CCH3CN Methacrylonitrile 2977.0 3.359 n1 CH3CH2CH3 Propane 2980.9 3.355 n6 8.5 10-5 CH3CCH Propyne 2985.0 3.350 n11 CH3NH2 Methylamine 2987.0 3.348 n14 CH3CH2OH Ethanol 2987.0 3.348 n7 1.5 10-5 CH3C3N Methylcyanoacetylene 2988.6 3.346 n11 7.3 10-5 CH2CH2 Ethylene 2991.5 3.343 n3 CH3CHCH2 Propylene 2993.0 3.341 n1 5.8 10-4 H2D+ 2996.0 3.338 n12 CH3OCH3 Dimethyl Ether 2996.0 3.338 n1 2.6 10-4 CH3OCH3 Dimethyl Ether 2996.0 3.338 n13 CH3COOH Acetic Acid 2999.0 3.334 n2 7.0 10-4 CH3OH Methanol 3000.0 3.333 n3 1.8 10-4 CH2CCH3CN Methacrylonitrile 3001.0 3.332 n14 CH3CH2CN Ethyl Cyanide 3001.0 3.332 n1 4.2 10-4 CH3CH2CN Ethyl Cyanide 3004.4 3.328 n1 na CH3 Methyl Radical 3006.0 3.327 n9 c-C2H4O Ethylene Oxide 3006.0 3.327 n1 c-C2H4O Ethylene Oxide 3010.0 3.322 n5 CH3SH Methyl Mercaptan 3012.0 3.320 n13 HCOOCH3 Methyl 3014.4 3.317 n5 CH3NC Methyl Isocyanide 3017.0 3.315 n4 5.5 10-4 CH3D d-Methane 3019.0 3.312 n13 CH3COCH3 Acetone 3019.0 3.312 n1 7.7 10-5 CH3COCH3 Acetone 3019.2 3.312 n8 c-C3H6 Cyclopropane 3019.5 3.312 n3 4.0 10-4 CH4 Methane 3020.0 3.311 n1 H2C2S Thioketene 3024.4 3.306 n2 CH2NH Methanimine 3024.6 3.306 n5 H2CS Thioformaldehyde 3030.0 3.300 n11 (H2CO)3 Trioxane 3038.0 3.292 n2 3.5 10-5 CH2CHCH2CN Allyl Cyanide 3042.0 3.287 n3 8.8 10-6 CH2CHCN Vinyl Cyanide 3045.0 3.284 n1 HCOOCH3 Methyl 3047.9 3.281 n12 2.0 10-4 C6H6 Benzene 3051.0 3.278 n2 CH3COOH Acetic Acid 3056.7 3.272 n15 na C6H6 Benzene 3063.0 3.265 n6 c-C2H4O Ethylene Oxide 3065.0 3.263 n13 c-C2H4O Ethylene Oxide 3070.4 3.257 n1 H2CCO Ketene 3073.9 3.253 n1 na C6H6 Benzene 3088.7 3.238 n1 1.3 10-3 HCO+ Formyl Ion 3089.7 3.237 n1 CH3CHCH2 Propylene 3101.8 3.224 n6 c-C3H6 Cyclopropane 3105.3 3.220 n9 1.4 10-4 CH2CH2 Ethylene 3107.0 3.219 n7 H2C2S Thioketene 3108.0 3.218 n1 2.9 10-5 CH2CHCH2CN Allyl Cyanide 3108.4 3.217 n3 6.9 10-4 CH3+ 3115.0 3.210 n1 2.6 10-5 CH2CCH3CN Methacrylonitrile 3120.3 3.205 n5 N2H2 Diazine 3121.7 3.203 n2 CH2CHOH Vinyl Alcohol 3125.0 3.200 n1 1.2 10-5 CH2CHCN Vinyl Cyanide 3125.6 3.199 1-0 1.9 10-4 NH Nitrogen Hydride 3131.4 3.193 n3 CH2+ 3141.7 3.183 n1 HCS+ Thioformyl Ion 3142.2 3.182 n6 C2H3+ Protonated Acetylene 3160.8 3.164 n3 4.8 10-5 CH3 Methyl Radical 3166.1 3.158 n7 H2CCO Ketene 3178.4 3.146 n1 na H3+ Protonated Dihydroge 3187.9 3.137 n2 HCNH+ Protonated Hydrogen 3212.9 3.112 n1 6.2 10-4 H2O+ Water Ion 3216.9 3.109 n1 HCP Methinophosphide 3219.4 3.106 n1 NH2 Aminyl Radical 3229.0 3.097 n1 HCCN 3234.0 3.092 n1 2.6 10-3 N2H+ Protonated Nitrogen 3259.0 3.068 n3 2.4 10-3 H2O+ Water Ion 3262.6 3.065 n1 CH2NH Methanimine 3268.0 3.060 n1 HOC+ Hydroxymethylidynium 3294.8 3.035 n3 1.7 10-4 CHCH Acetylene 3297.0 3.033 n9 NH2NH2 Hydrazine 3301.1 3.029 n3 NH2 Aminyl Radical 3311.5 3.020 n3 3.9 10-4 HCN Hydrogen Cyanide 3325.0 3.008 n1 NH2NH2 Hydrazine 3329.1 3.004 n5 HC6H Triacetylene 3332.1 3.001 n1 na HCCCCH Diacetylene 3333.7 3.000 n4 7.0 10-4 HCCCCH Diacetylene 3335.1 2.998 n1 2.5 10-4 CH3CCH Propyne 3336.1 2.998 n1 HCNO Fulminic Acid 3337.0 2.997 n1 3.4 10-5 NH3 Ammonia 3339.0 2.995 n1 HCCNC Isocyanoacetylene 3343.1 2.991 n3 1.7 10-3 NH4+ Ammonium Ion 3350.0 2.985 n8 NH2NH2 Hydrazine 3361.0 2.975 n1 CH3NH2 Methylamine 3372.5 2.965 n1 na CHCH Acetylene 3375.4 2.963 n1 HOCO+ Protonated Carbon Di 3427.0 2.918 n10 CH3NH2 Methylamine 3435.2 2.911 n1 HOCS+ 3436.2 2.910 n1 2.ç 10-5 HO2 Hydroperoxyl Radical 3439.3 2.908 n2 NH2HCO Formamide 3444.0 2.904 n3 2.0 10-5 NH3 Ammonia 3482.8 2.871 n1 HCNH+ Protonated Hydrogen 3514.0 2.846 n1 HC3NH+ Protonated Cyanoacet 3530.2 2.833 n3 5.8 10-3 H3O+ Hydronium Ion 3538.2 2.826 n1 HNCO Isocyanic Acid 3538.6 2.826 n1 HNCS Thioisocyanic Acid 3563.7 2.806 n1 NH2HCO Formamide 3568.0 2.803 1-0 6.0 10-5 OH Hydroxyl Radical 3569.0 2.802 n1 3.6 10-4 HCOOH Formic Acid 3583.0 2.791 n1 CH3COOH Acetic Acid 3588.4 2.787 n1 2.4 10-4 HNSi Iminosilicon 3607.0 2.772 n1 1.0 10-4 H2O2 Hydrogen Peroxide 3608.0 2.772 n5 6.0 10-4 H2O2 Hydrogen Peroxide 3609.5 2.770 n1 3.7 10-4 HOCl Hypochlorous Acid 3629.8 2.755 1-0 1.3 10-10 HD 3633.5 2.752 n1 CH2CHOH Vinyl Alcohol 3652.7 2.738 n1 2.2 10-3 HNC Hydrogen Isocyanide 3657.0 2.734 n1 0.18 10-4 H2O Water 3660.0 2.732 n1 1.0 10-4 CH3CH2OH Ethanol 3662.0 2.731 n1 HOSi+ 3681.0 2.717 n1 1.3 10-4 CH3OH Methanol 3707.0 2.698 n3 1.9 10-4 HDO d-Water 3755.9 2.662 n3 2.57 10-4 H2O Water 3961.4 2.524 1-0 6.5 10-4 HF Hydrogen Fluoride 4158.5 2.405 1-0 na H2 Dihydrogen ___________________________________________________________________________