Structure and Molecular Constants · Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy · Asymmetric Top Molecules (Part 1)

• 1 General Introduction
• 2 Asymmetric Top Molecules: Introduction
• 1 AgHO Silver hydroxide
• 2 AlHS Aluminum hydrogen sulfide
• 3 ArClHNe Argon - hydrogen chloride - neon (1/1/1)
• 4 ArH2S Argon - hydrogen sulfide (1/1)
• 5 ArH3+ Argon - protonated dihydrogen (1/1)
• 6 ArH3N Argon - ammonia (1/1)
• 7 ArH4O2 Argon - water (1/2)
• 8 ArH4S2 Argon - hydrogen sulfide (1/2)
• 9 ArN2NeO Argon - dinitrogen monoxide - neon (1/1/1)
• 10 ArN2O Argon - dinitrogen monoxide (1/1)
• 11 ArNe2 Argon - neon (1/2)
• 12 ArO2S Argon - sulfur dioxide (1/1)
• 13 Ar2BrH Argon - hydrogen bromide (2/1)
• 14 Ar2ClH Argon - hydrogen chloride (2/1)
• 15 Ar2FH Argon - hydrogen fluoride (2/1)
• 16 Ar2H2O Argon - water (2/1)
• 17 Ar2H2S Argon - hydrogen sulfide (2/1)
• 18 Ar2H3N Argon - ammonia (2/1)
• 19 Ar2N2O Dinitrogen monoxide - argon (1/2)
• 20 Ar2Ne Argon - neon (2/1)
• 21 Ar2Ne2 Argon - neon (2/2)
• 22 BFH2O2 Fluorodihydroxyborane
• 23 BF2HO Difluorohydroxyborane
• 24 BF3O2S Trifluoroborane - sulfur dioxide (1/1)
• 25 BrClH2O Bromine chloride - water (1/1)
• 26 BrHO Hypobromous acid
• 27 BrHSi Bromosilylene
• 28 BrH5O2 Hydrogen bromide - water (1/2)
• 29 BrNO Nitrosyl bromide
• 30 Br2H2O Dibromine - water (1/1)
• 31 Br2H2S Dibromine - hydrogen sulfide (1/1)
• 32 Br2O Dibromine monoxide
• 33 CArNeO2 Carbon dioxide - argon - neon (1/1/1)
• 34 CArO Carbon monoxide - argon (1/1)
• 35 CArOS Carbonyl sulfide - argon (1/1)
• 36 CAr2OS Carbonyl sulfide - argon (1/2)
• 37 CAr2O2 Carbon dioxide - argon (1/2)
• 38 CBrClF2 Bromochlorodifluoromethane
• 39 CClF2N Chlorocarbonimidic difluoride
• 40 CCl2 Dichloromethylene
• 41 CCl2F2 Dichlorodifluoromethane
• 42 CCl3NO2 Trichloronitromethane
• 43 CF2 Difluoromethylene
• 44 CF2Se Carbonoselenoic difluoride
• 45 CF3NO2 Trifluoronitromethane
• 46 CHBr Bromomethylene
• 47 CHBrClF Bromochlorofluoromethane
• 48 CHBrF2 Bromodifluoromethane
• 49 CHCl Chloromethylene
• 50 CHClFI Chlorofluoroiodomethane
• 51 CHClF2 Chlorodifluoromethane
• 52 CHCl2F Dichlorofluoromethane
• 53 CHF Fluoromethylene
• 54 CHNS Hydrogen isothiocyanate
• 55 CHNSi Cyanosilylene
• 56 CHNSi Isocyanosilylene
• 57 CH2ArClF Chlorofluoromethane - argon (1/1)
• 58 CH2ArF2 Difluoromethane - argon (1/1)
• 59 CH2BrF Bromofluoromethane
• 60 CH2ClFO Formaldehyde - chlorine fluoride (1/1)
• 61 CH2Cl2 Dichloromethane
• 62 CH2F2 Difluoromethane
• 63 CH2F2Kr Difluoromethane - krypton (1/1)
• 64 CH2F2Xe Difluoromethane - xenon (1/1)
• 65 CH2F3NS 1,1,1-Trifluoromethanesulfenamide
• 66 CH2I2 Diiodomethane
• 67 CH2NP Cyanophosphine
• 68 CH2N2 Cyanamide
• 69 CH2N2 Methanediimine
• 70 CH2O Formaldehyde
• 71 CH2OS Carbon monoxide - hydrogen sulfide (1/1)
• 72 CH2O2 Formic acid
• 73 CH2O2S Carbonyl sulfide - water (1/1)
• 74 CH2O3 Carbon dioxide - water (1/1)
• 75 CH2S Thioformaldehyde
• 76 CH3FHe Fluoromethane - helium (1/1)
• 77 CH3FO2S Methanesulfonyl fluoride
• 78 CH3F2OP Methylphosphonic difluoride
• 79 CH3NO Formamide
• 80 CH3NO2 Nitrous acid methyl ester
• 81 CH3O+ Hydroxymethylium
• 82 CH3P Methylenephosphine
• 83 CH4F2NPS Methylphosphoramidothioic difluoride
• 84 CH4F2O Difluoromethane - water (1/1)
• 85 CH4N2O Urea
• 86 CH4N2O Hydrazinecarboxaldehyde
• 87 CH4N2S Thiourea
• 88 CH4O Methanol
• 89 CH4O3 Methane - ozone (1/1)
• 90 CH4O3 Formic acid - water (1/1)
• 91 CH4S Methanethiol
• 92 CH4Si Methylenesilane
• 93 CH5ClO Methanol - hydrogen chloride (1/1)
• 94 CH5N Methylamine
• 95 CH5NO2 Formamide - water (1/1)
• 96 CH6O2 Methanol - water (1/1)
• 97 CH6O4 Formic acid - water (1/2)
• 98 CH7NO3 Formamide - water (1/2)
• 99 CHeOS Carbonyl sulfide - helium (1/1)
• 100 CHeO2 Carbon dioxide - helium (1/1)
• 101 CHe2OS Carbonyl sulfide - helium (1/2)
• 102 CHe3OS Carbonyl sulfide - helium (1/3)
• 103 CHe4OS Carbonyl sulfide - helium (1/4)
• 104 CHe5OS Carbonyl sulfide - helium (1/5)
• 105 CHe6OS Carbonyl sulfide - helium (1/6)
• 106 CHe7OS Carbonyl sulfide - helium (1/7)
• 107 CHe8OS Carbonyl sulfide - helium (1/8)
• 108 CKrO Carbon monoxide - krypton (1/1)
• 109 CN2O Carbon monoxide - dinitrogen (1/1)
• 110 CN2O2 Carbon monoxide - dinitrogen monoxide (1/1)
• 111 CN2O2S Carbonyl sulfide - dinitrogen monoxide (1/1)
• 112 CN2O3 Carbon dioxide - dinitrogen monoxide (1/1)
• 113 CNeO Carbon monoxide - neon (1/1)
• 114 CNeO2 Carbon dioxide - neon (1/1)
• 115 CNe2OS Carbonyl sulfide - neon (1/2)
• 116 COXe Carbon monoxide - xenon (1/1)
• 117 CO2S3 Carbon disulfide - sulfur dioxide (1/1)
• 118 CO3S2 Carbonyl sulfide - sulfur dioxide (1/1)
• 119 C2HCl3 Trichloroethene
• 120 C2HF3 1,1,2-Trifluoroethene
• 121 C2HF3OS Carbonyl sulfide - trifluoromethane (1/1)
• 122 C2HF3O2 Trifluoroacetic acid
• 123 C2HF5 Pentafluoroethane
• 124 C2H2Ar Ethyne - argon (1/1)
• 125 C2H2ArF2 1,1-Difluoroethene - argon (1/1)
• 126 C2H2ArO Ethenone - argon (1/1)
• 127 C2H2Ar2O Ethenone - argon (1/2)
• 128 C2H2BrClO Bromoacetyl chloride
• 129 C2H2BrF 1-Bromo-1-fluoroethene
• 130 C2H2BrF (1Z)-1-Bromo-2-fluoroethene
• 131 C2H2BrF (1E)-1-Bromo-2-fluoroethene
• 132 C2H2Br2 Ethyne - dibromine (1/1)
• 133 C2H2ClF (1Z)-1-Chloro-2-fluoroethene
• 134 C2H2ClF (1E)-1-Chloro-2-fluoroethene
• 135 C2H2ClF3 1-Chloro-1,1,2-trifluoroethane
• 136 C2H2ClI Ethyne - iodine chloride (1/1)
• 137 C2H2Cl2 1,1-Dichloroethene
• 138 C2H2Cl2 (1E)-1,2-Dichloroethene
• 139 C2H2F2 (1Z)-1,2-Difluoroethene
• 140 C2H2F2 (1E)-1,2-Difluoroethene
• 141 C2H2F2Ne 1,1-Difluoroethene - neon (1/1)
• 142 C2H2F4 1,1,1,2-Tetrafluoroethane
• 143 C2H2F4 1,1,2,2-Tetrafluoroethane
• 144 C2H2F4 1,1,2-Trifluoroethene - hydrogen fluoride (1/1)
• 145 C2H2F4O 1,1’-Oxybis[difluoromethane]
• 146 C2H2N2O Carbonocyanidic amide
• 147 C2H2N2O 1,2,5-Oxadiazole
• 148 C2H2N2O 1,3,4-Oxadiazole
• 149 C2H2N2O Ethyne - dinitrogen monoxide (1/1)
• 150 C2H2N2S 1,2,5-Thiadiazole
• 151 C2H2N2S 1,3,4-Thiadiazole
• 152 C2H2N2Se 1,2,5-Selenadiazole
• 153 C2H2O Ethenone
• 154 C2H2O2 Ethanedial (glyoxal)
• 155 C2H2O3 2-Oxoacetic acid
• 156 C2H2O4 Ethanedioic acid
• 157 C2H2Si Ethenylidenesilylene
• 158 C2H3ArN Isocyanomethane - argon (1/1)
• 159 C2H3Br Bromoethene
• 160 C2H3Br Ethyne - hydrogen bromide (1/1)
• 161 C2H3Cl Chloroethene
• 162 C2H3ClF2 1-Chloro-1,1-difluroethane
• 163 C2H3ClF2 Fluoroethene - chlorine fluoride (1/1)
• 164 C2H3Cl2NO (E)-Dichloroacetaldehyde oxime
• 165 C2H3F Fluoroethene
• 166 C2H3FOS Fluoromethane - carbonyl sulfide (1/1)
• 167 C2H3F3O3 2,2,2-Trifluoroacetic acid - water (1/1)
• 168 C2H3I Iodoethene
• 169 C2H4 Ethene
• 170 C2H4Ar Ethene - argon (1/1)
• 171 C2H4ArF2 1,2-Difluoroethane - argon (1/1)
• 172 C2H4ArF2 1,1-Difluoroethane - argon (1/1)
• 173 C2H4ArO Acetaldehyde - argon (1/1)
• 174 C2H4ArO Oxirane - argon (1/1)
• 175 C2H4BrF 1-Bromo-1-fluoroethane
• 176 C2H4BrF Fluoroethene - hydrogen bromide (1/1)
• 177 C2H4Br2 Ethene - dibromine (1/1)
• 178 C2H4ClI Ethene - iodine chloride (1/1)
• 179 C2H4ClNO (1E)-Chloroacetaldehyde oxime
• 180 C2H4ClNO 2-Chloroacetamide
• 181 C2H4Cl2 1,1-Dichloroethane
• 182 C2H4Cl2 1,2-Dichloroethane
• 183 C2H4F2 1,2-Difluoroethane
• 184 C2H4F2 Fluoroethene - hydrogen fluoride (1/1)
• 185 C2H4F2O Oxirane - difluorine (1/1)
• 186 C2H4F4 Difluoromethane dimer
• 187 C2H4F4 Fluoromethane - trifluoromethane (1/1)
• 188 C2H4KrO Acetaldehyde - krypton (1/1)
• 189 C2H4KrO Oxirane - krypton (1/1)
• 190 C2H4Ne Ethene - neon (1/1)
• 191 C2H4O Acetaldehyde
• 192 C2H4O Oxirane
• 193 C2H4OS Methane - carbonyl sulfide (1/1)
• 194 C2H4OXe Oxirane - xenon (1/1)
• 195 C2H4O2 Acetic acid
• 196 C2H4O2 Formic acid methyl ester
• 197 C2H4O2 2-Hydroxyacetaldehyde
• 198 C2H4O3 2-Hydroxyacetic acid
• 199 C2H4O3 Methanol - carbon dioxide (1/1)
• 200 C2H4S Thiirane
• 201 C2H4Se Etheneselenol
• 202 C2H5As Ethenylarsine
• 203 C2H5Br Ethene - hydrogen bromide (1/1)
• 204 C2H5FO 2-Fluoroethanol
• 205 C2H5FS Thiirane-hydrogen fluoride (1/1)
• 206 C2H5F2OP Ethylphosphonic difluoride
• 207 C2H5F2P Ethylphosphorous difluoride
• 208 C2H5F3O4 2,2,2-Trifluoroacetic acid-water (1/2)
• 209 C2H5N Aziridine
• 210 C2H5NO N-Methylformamide
• 211 C2H5NO Acetamide
• 212 C2H5NO (1E)-Acetaldehyde oxime
• 213 C2H5NO (1Z)-Acetaldehyde oxime
• 214 C2H5NO2 Glycine
• 215 C2H5NO2 Nitrous acid ethyl ester
• 216 C2H5NO2 Carbamic acid methyl ester
• 217 C2H5NO2 2-Hydroxyacetamide
• 218 C2H5Sb Ethenylstibine
• 219 C2H6ArF2Si Difluoromethylsilane - argon (1/1)
• 220 C2H6ArO Ethanol - argon (1/1)
• 221 C2H6ArO 1,1’-Oxybis[methane] - argon (1/1)
• 222 C2H6F2Si Difluorodimethylsilane
• 223 C2H6KrO 1,1’-Oxybis[methane] - krypton (1/1)
• 224 C2H6NeO 1,1’-Oxybis[methane] - neon (1/1)
• 225 C2H6NeS 1,1’-Thiobis[methane] - neon (1/1)
• 226 C2H6O Ethanol
• 227 C2H6O 1,1’-Oxybis[methane]
• 228 C2H6OXe 1,1’-Oxybis[methane] - xenon (1/1)
• 229 C2H6O2 1,2-Ethanediol
• 230 C2H6O2 Methanol - formaldehyde (1/1)
• 231 C2H6O2 Oxirane - water (1/1)
• 232 C2H6O3 2-Hydroxyacetaldehyde - water (1/1)
• 233 C2H6O5 Formic acid - water (2/1)
• 234 C2H6S 1,1’-Thiobis[methane]
• 235 C2H6S Ethene - hydrogen sulfide (1/1)
• 236 C2H6S2 1,2-Ethanedithiol
• 237 C2H6Se2 Dimethyl diselenide
• 238 C2H7ArNO 2-Aminoethanol - argon (1/1)
• 239 C2H7ClO 1,1’-Oxybis[methane] - hydrogen chloride (1/1)
• 240 C2H7ClSi Chlorodimethylsilane
• 241 C2H7FO 1,1’-Oxybis[methane] - hydrogen fluoride (1/1)
• 242 C2H7F3O5 2,2,2-Trifluoroacetic acid - water (1/3)
• 243 C2H7NO 2-Aminoethanol
• 244 C2H8ArSi Dimethylsilane - argon (1/1)
• 245 C2H8O2 Methanol dimer
• 246 C2H8Si Ethylsilane
• 247 C2H8Si Dimethylsilane
• 248 C2H9NO2 2-Aminoethanol - water (1/1)
• 249 C2N2O5 Carbon dioxide - dinitrogen monoxide (2/1)
• 250 C2N2S Sulfur dicyanide
• 251 C2OS3 Carbon disulfide - carbonyl sulfide (1/1)
• 252 C2O2S Carbon monoxide - carbonyl sulfide (1/1)
• 253 C2O2S2 Carbonyl sulfide dimer
• 254 C2O3 Carbon dioxide - carbon monoxide (1/1)