Species |
Name |
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Experimental data |
C2- |
carbon diatomic anion |
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Experimental data |
C2+ |
carbon diatomic cation |
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Experimental data |
CCH2 |
vinylidene |
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Experimental data |
H2CC- |
vinylidene anion |
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Experimental data |
C2H3 |
vinyl |
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Experimental data |
C2H3- |
vinyl anion |
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Experimental data |
C2H3+ |
vinyl cation |
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Experimental data |
C2H4 |
Ethylene |
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Experimental data |
C2H4- |
Ethylene anion |
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Experimental data |
C2H4+ |
Ethylene cation |
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Experimental data |
C3 |
carbon trimer |
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Experimental data |
C3+ |
carbon trimer cation |
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Experimental data |
C3H3 |
cyclopropenyl radical |
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Experimental data |
C3H3 |
Propargyl radical |
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Experimental data |
C3H3- |
Propargyl anion |
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Experimental data |
C3H3+ |
Propargyl cation |
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Experimental data |
C3H4 |
cyclopropene |
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Experimental data |
CH2CCH2 |
allene |
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Experimental data |
C3H5 |
Allyl radical |
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Experimental data |
C3H5+ |
Allyl cation |
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Experimental data |
CH3CHCH |
1-propenyl radical |
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Experimental data |
CH2CHCH3 |
Propene |
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Experimental data |
CHNHCH |
1H-Azirine |
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Experimental data |
H2CCNH |
Ethenimine |
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Experimental data |
CH2CHNH |
vinylazine |
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Experimental data |
CH2CHNH2 |
aminoethene |
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Experimental data |
CCO |
Dicarbon monoxide |
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Experimental data |
HCCO |
ketenyl radical |
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Experimental data |
C2H2O |
Oxirene |
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Experimental data |
CH2CO |
Ketene |
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Experimental data |
CH2CO+ |
Ketene cation |
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Experimental data |
CH2CS |
Thioketene |
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Experimental data |
CH2COH+ |
ketene, protonated |
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Experimental data |
CH2CHOH |
ethenol |
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Experimental data |
CH2CHSH |
Ethenethiol |
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Experimental data |
CH2CHF |
Ethene, fluoro- |
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Experimental data |
CH2CHF+ |
fluoroethene cation |
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Experimental data |
C2H3Cl |
Ethene, chloro- |
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Experimental data |
C2H3Br |
vinyl bromide |
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Experimental data |
C2H3I |
Vinyl iodide |
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Experimental data |
C4 |
Carbon tetramer |
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Experimental data |
C4+ |
Carbon tetramer cation |
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Experimental data |
C2H3CCH |
1-Buten-3-yne |
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Experimental data |
C4H4 |
cyclobutadiene |
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Experimental data |
H2CCCCH2 |
Butatriene |
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Experimental data |
C4H6 |
1-Methylcyclopropene |
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Experimental data |
C4H6 |
Cyclobutene |
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Experimental data |
C4H6 |
Methylenecyclopropane |
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Experimental data |
CH2CCHCH3 |
1,2-Butadiene |
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Experimental data |
CH2CHCHCH2 |
1,3-Butadiene |
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Experimental data |
CH3CHCHCH2 |
methylallyl radical |
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Experimental data |
CH2C(CH3)CH3 |
1-Propene, 2-methyl- |
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Experimental data |
CH2CHCH2CH3 |
1-Butene |
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Experimental data |
CH3CHCHCH3 |
2-Butene, (E)- |
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Experimental data |
CH3CHCHCH3 |
2-Butene, (Z)- |
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Experimental data |
HNCCNH |
Ethenediimine |
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Experimental data |
C3H3N |
acrylonitrile |
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Experimental data |
C3H3N+ |
acrylonitrile cation |
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Experimental data |
H2NCHCHNH2 |
diaminoethylene |
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Experimental data |
C2H2CO |
cyclopropenone |
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Experimental data |
C3H2O |
Propadienal |
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Experimental data |
C2H3NO |
Nitrosoethylene |
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Experimental data |
C3H4O |
allenol |
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Experimental data |
C3H4O |
Methylketene |
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Experimental data |
CH2CHCHO |
Acrolein |
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Experimental data |
CH2C(OH)NH2 |
1-amino vinyl alchohol |
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Experimental data |
C3H6O |
2-Propen-1-ol |
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Experimental data |
C3H6O |
Acetone enol |
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Experimental data |
C2H2F2 |
Ethene, 1,2-difluoro-, (E)- |
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Experimental data |
C2H2F2 |
Ethene, 1,2-difluoro-, (Z)- |
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Experimental data |
CH2CF2 |
Ethene, 1,1-difluoro- |
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Experimental data |
C2H2ClF |
1-chloro-1-fluoroethylene |
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Experimental data |
CHFCHCl |
(E)-1-chloro-2-fluoroethene |
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Experimental data |
CHFCHClz |
(Z)-1-Chloro-2-fluoroethene |
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Experimental data |
CH2CCl2 |
Ethene, 1,1-dichloro- |
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Experimental data |
CHClCHCl |
Ethene, 1,2-dichloro-, (E)- |
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Experimental data |
CHClCHCl |
Ethene, 1,2-dichloro-, (Z)- |
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Experimental data |
C2H2Br2 |
1,1-dibromoethene |
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Experimental data |
CHBrCHBr |
Ethene, 1,2-dibromo-, (E)- |
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Experimental data |
CHBrCHBr |
Ethene, 1,2-dibromo-, (Z)- |
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Experimental data |
CH2CFCH3 |
2-fluoropropene |
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Experimental data |
CH2CHCH2F |
Allyl Fluoride |
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Experimental data |
CH3CHCHF |
trans-1-Fluoro-1-propene |
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Experimental data |
C3H5Cl |
1-Propene, 3-chloro- |
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Experimental data |
C3H5Cl |
1-chloro-1-propene(E) |
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Experimental data |
C3H5Cl |
1-chloro-1-propene(Z) |
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Experimental data |
C5H4 |
pentatetraene |
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Experimental data |
C5H5- |
cylopentadienyl anion |
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Experimental data |
C5H6 |
1,3-Cyclopentadiene |
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Experimental data |
C5H6 |
1-Buten-3-yne, 2-methyl- |
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Experimental data |
C5H6 |
3-Penten-1-yne, (E)- |
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Experimental data |
C5H6 |
3-Penten-1-yne, (Z)- |
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Experimental data |
C5H6 |
Bicyclo[2.1.0]pent-2-ene |
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Experimental data |
C5H7 |
1,3-pentadienyl radical |
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Experimental data |
C5H8 |
1,2-Butadiene, 3-methyl- |
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Experimental data |
C5H8 |
1,2-Pentadiene |
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Experimental data |
C5H8 |
1,3-Butadiene, 2-methyl- |
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Experimental data |
C5H8 |
1,3-Pentadiene, (E)- |
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Experimental data |
C5H8 |
1,3-Pentadiene, (Z)- |
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Experimental data |
C5H8 |
1,4-Pentadiene |
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Experimental data |
C5H8 |
2,3-Pentadiene |
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Experimental data |
C5H8 |
Cyclobutane, methylene- |
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Experimental data |
C5H8 |
Cyclopentene |
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Experimental data |
C5H8 |
Ethenylcyclopropane |
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Experimental data |
C5H10 |
1-Butene, 2-methyl- |
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Experimental data |
C5H10 |
2-Butene, 2-methyl- |
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Experimental data |
C5H10 |
2-Pentene, (E)- |
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Experimental data |
C5H10 |
2-Pentene, (Z)- |
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Experimental data |
CH2CHCH2CH2CH3 |
1-pentene |
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Experimental data |
C4H4N |
pyrrolide radical |
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Experimental data |
C4H4N- |
pyrrolide anion |
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Experimental data |
C3H4N2 |
1H-Imidazole |
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Experimental data |
C3H4N2 |
1H-Pyrazole |
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Experimental data |
C4H5N |
(E)-2-Butenenitrile |
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Experimental data |
C4H5N |
(Z)-2-Butenenitrile |
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Experimental data |
C4H5N |
2H-pyrrole |
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Experimental data |
C4H5N |
3H-pyrrole |
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Experimental data |
C4H5N |
Pyrrole |
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Experimental data |
CH2CHCH2CN |
Allylcyanide |
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Experimental data |
C4H6N+ |
pyrrole, alpha-protonated |
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Experimental data |
C4H6N+ |
pyrrole, beta-protonated |
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Experimental data |
C4H6N+ |
pyrrole, protonated |
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Experimental data |
C3O2 |
Carbon suboxide |
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Experimental data |
C3O2+ |
Carbon suboxide cation |
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Experimental data |
C3H3NO |
Isoxazole |
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Experimental data |
C3H3NO |
Oxazole |
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Experimental data |
C3H3NS |
Thiazole |
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Experimental data |
C4H4O |
Furan |
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Experimental data |
C4H4O+ |
Furan cation |
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Experimental data |
C4H4S |
Thiophene |
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Experimental data |
C4H4Se |
selenophene |
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Experimental data |
C3H4O2 |
2-Propenoic acid |
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Experimental data |
C3H4O2 |
propenalol |
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Experimental data |
HOCHCCHOH |
allenediol |
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Experimental data |
CH2CHCONH2 |
Acrylamide |
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Experimental data |
C4H6O |
cis-2-butenal |
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Experimental data |
C4H6O |
Furan, 2,3-dihydro- |
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Experimental data |
C4H6O |
Furan, 2,5-dihydro- |
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Experimental data |
CH2CHOCHCH2 |
Vinyl ether |
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Experimental data |
CHOCHCHCH3 |
2-Butenal |
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Experimental data |
C4H6S |
Thiophene, 2,3-dihydro- |
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Experimental data |
C4H6S |
Thiophene, 2,5-dihydro- |
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Experimental data |
CH2CHSCHCH2 |
Divinyl sulfide |
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Experimental data |
C2H3OC2H5 |
Ethene, ethoxy- |
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Experimental data |
CH2C(CH3)OCH3 |
1-Propene, 2-methoxy- |
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Experimental data |
C2HF3 |
Trifluoroethylene |
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Experimental data |
C2HF3+ |
Trifluoroethylene cation |
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Experimental data |
CHClCCl2 |
Trichloroethylene |
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Experimental data |
CHBrCF2 |
1-Bromo-2,2-difluoroethylene |
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Experimental data |
CHClCCHCl |
1,3-dichloroallene |
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Experimental data |
CH2CClCHCH2 |
1,3-Butadiene, 2-chloro- |
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Experimental data |
CH2CClCH2CH3 |
1-Butene, 2-chloro- |
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Experimental data |
CH2CHCH2CH2Cl |
1-Butene, 4-chloro- |
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Experimental data |
CH2CHCHClCH3 |
1-Butene, 3-chloro- |
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Experimental data |
CH2ClCHCHCH3 |
2-Butene, 1-chloro- |
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Experimental data |
CH3CClCHCH3 |
2-Butene, 2-chloro-, (E)- |
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Experimental data |
CH3CClCHCH3 |
2-Butene, 2-chloro-, (Z)- |
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Experimental data |
CHClCHCH2CH3 |
(E)-1-Chloro-1-butene |
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Experimental data |
CHClCHCH2CH3 |
(Z)-1-Chloro-1-butene |
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Experimental data |
C6H4 |
(E)-Hexa-1,5-diyne-3-ene |
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Experimental data |
C6H4 |
(Z)-Hexa-1,5-diyne-3-ene |
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Experimental data |
C6H4 |
Benzyne |
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Experimental data |
C6H6 |
1,2,4,5-Hexatetraene |
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Experimental data |
C6H6 |
3,4-Dimethylenecyclobutene |
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Experimental data |
C6H6 |
Benzvalene |
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Experimental data |
C6H6 |
Dewar Benzene |
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Experimental data |
C6H6 |
Hexa-1,5-diene-3-yne |
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Experimental data |
C6H6 |
Trimethylenecycopropane |
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Experimental data |
C6H7+ |
benzene, protonated |
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Experimental data |
C6H8 |
(E)-hexa-1,3,5-triene |
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Experimental data |
C6H8 |
(E)-hexa-2,3,4-triene |
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Experimental data |
C6H8 |
(Z)-hexa-1,3,5-triene |
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Experimental data |
C6H8 |
(Z)-hexa-2,3,4-triene |
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Experimental data |
C6H8 |
1,3-Cyclohexadiene |
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Experimental data |
C6H8 |
1,4-Cyclohexadiene |
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Experimental data |
C6H8 |
3-Methylenecyclopentene |
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Experimental data |
C6H8 |
Bicyclo[2.1.1]hex-2-ene |
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Experimental data |
C6H8 |
Bicyclo[2.2.0]hex-1(4)-ene |
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Experimental data |
C6H8 |
Bicyclo[3.1.0]hex-2-ene |
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Experimental data |
C6H10 |
1,3-Hexadiene, (E)- |
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Experimental data |
C6H10 |
1,3-Hexadiene, (Z)- |
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Experimental data |
C6H10 |
1,4-Hexadiene, (E)- |
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Experimental data |
C6H10 |
1,4-Hexadiene, (Z)- |
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Experimental data |
C6H10 |
1,5-Hexadiene |
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Experimental data |
C6H10 |
2,4-Hexadiene, (E,E)- |
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Experimental data |
C6H10 |
2,4-Hexadiene, (E,Z)- |
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Experimental data |
C6H10 |
2,4-Hexadiene, (Z,Z)- |
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Experimental data |
C6H10 |
cyclohexene |
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Experimental data |
C6H10 |
Cyclopentene, 1-methyl- |
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Experimental data |
C6H10 |
Cyclopentene, 3-methyl- |
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Experimental data |
C6H10 |
Cyclopentene, 4-methyl- |
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Experimental data |
C6H12 |
(E)-2-Hexene |
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Experimental data |
C6H12 |
(E)-3-methylpent-2-ene |
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Experimental data |
C6H12 |
(E)-hex-3-ene |
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Experimental data |
C6H12 |
(Z)-3-methylpent-2-ene |
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Experimental data |
C6H12 |
(Z)-hex-2-ene |
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Experimental data |
C6H12 |
(Z)-hex-3-ene |
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Experimental data |
C6H12 |
2,3-dimethylbut-1-ene |
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Experimental data |
C6H12 |
2,3-dimethyl-but-2-ene |
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Experimental data |
C6H12 |
3-methylenepentane |
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Experimental data |
C6H12 |
hex-1-ene |
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Experimental data |
C4H2N2 |
Fumaronitrile |
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Experimental data |
C5H5N |
E-2,4-pentadienenitrile |
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Experimental data |
C6H6 |
Fulvene |
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Experimental data |
C4H6N2 |
1H-Imidazole, 2-methyl- |
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Experimental data |
C5H7N |
(E)-2-Pentenenitrile |
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Experimental data |
C5H7N |
(E)-3-Pentenenitrile |
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Experimental data |
C5H7N |
(Z)-2-Pentenenitrile |
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Experimental data |
C5H7N |
1H-Pyrrole, 1-methyl- |
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Experimental data |
C5H9N |
1,2,3,6-Tetrahydropyridine |
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Experimental data |
C3H2O3 |
vinylene carbonate |
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Experimental data |
C4H4O2 |
2(5H)-Furanone |
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Experimental data |
C4H4O2 |
2-Oxetanone, 4-methylene- |
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Experimental data |
C3H4O2S |
2H-Thiete-1,1-dioxide |
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Experimental data |
C4H5NO |
3-Methylisoxazole |
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Experimental data |
C4H5NO |
Isoxazole, 5-methyl- |
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Experimental data |
C4H5NS |
4-Methylthiazole |
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Experimental data |
C5H6O |
2H-Pyran |
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Experimental data |
C5H6O |
2-methylfuran |
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Experimental data |
C5H6O |
3-Methylfuran |
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Experimental data |
C5H6O |
Pentadienal |
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Experimental data |
C5H6S |
Thiophene, 2-methyl- |
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Experimental data |
C5H6S |
Thiophene, 3-methyl- |
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Experimental data |
C4H6O2 |
2-Propenoic acid, methyl ester |
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Experimental data |
C4H6O2 |
Crotonic Acid |
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Experimental data |
C4H6OS |
2,3-dihydrothiophene-2-ol |
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Experimental data |
C4H6OS |
2,5-dihydrothiophene-3-ol |
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Experimental data |
C4H6OS |
4,5-dihydrothiophene-2-ol |
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Experimental data |
C4H6OS |
4,5-dihydrothiophene-3-ol |
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Experimental data |
C4H6OS |
Vinyl sulfoxide |
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Experimental data |
C4H7NO |
Methacrylamide |
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Experimental data |
C5H8O |
2H-Pyran, 3,4-dihydro- |
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Experimental data |
C5H8O |
Furan, 2,3-dihydro-5-methyl- |
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Experimental data |
C4H8O2 |
Ethene, 1,1-dimethoxy- |
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Experimental data |
C5H10S |
3-Ethylthio-1-propene |
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Experimental data |
C2F4 |
Tetrafluoroethylene |
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Experimental data |
C2F4+ |
Tetrafluoroethylene cation |
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Experimental data |
C2ClF3 |
Ethene, chlorotrifluoro- |
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Experimental data |
CF2CCl2 |
difluorodichloroethylene |
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Experimental data |
CFClCClF |
trans-1,2-dichloro-1,2-difluoroethylene |
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Experimental data |
CFClCFCl |
cis-1,2-dichloro-1,2-difluoroethylene |
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Experimental data |
C2FCl3 |
fluorotrichloroethene |
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Experimental data |
C2Cl4 |
Tetrachloroethylene |
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Experimental data |
C2Br4 |
tetrabromoethene |
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Experimental data |
C4H3ClO |
Furan, 2-chloro |
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Experimental data |
C4H3ClO |
Furan,3-chloro |
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Experimental data |
C7H7 |
cycloheptatrienyl radical |
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Experimental data |
C7H7+ |
cycloheptatrienyl cation |
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Experimental data |
C7H8 |
cycloheptatriene |
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Experimental data |
C7H8 |
Norbornadiene |
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Experimental data |
HN=C=C(CN)2 |
Dicyanoketenimine |
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Experimental data |
C4H2O3 |
Maleic Anhydride |
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Experimental data |
C5H4O2 |
4-Cyclopentene-1,3-dione |
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Experimental data |
C5H4O2 |
furfural |
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Experimental data |
C5H5NO |
2(1H)-Pyridinone |
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Experimental data |
C5H5NO |
2(3H)-Pyridinone |
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Experimental data |
C5H5NO |
2(5H)-Pyridinone |
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Experimental data |
C5H5NO |
3(2H)-Pyridinone |
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Experimental data |
C5H5NO |
3(4H)-Pyridinone |
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Experimental data |
C5H5NO |
3(6H)-Pyridinone |
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Experimental data |
C5H5NO |
4(1H)-Pryidinone |
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Experimental data |
C5H5NO |
4(3H)-Pryidinone |
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Experimental data |
C6H6O |
2,4-Cyclohexadienone |
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Experimental data |
C6H6O |
2,5-Cyclohexadienone |
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Experimental data |
C7H10 |
Norbornene |
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Experimental data |
CH(C2H3)3 |
trivinyl methane |
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Experimental data |
F2CCCF2 |
tetrafluoroallene |
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Experimental data |
C8H6 |
Calicene |
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Experimental data |
C8H6 |
benzocyclobutadiene |
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Experimental data |
C8H6 |
Pentalene |
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Experimental data |
C6H5CHCH2 |
Styrene |
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Experimental data |
C8H8 |
cyclooctatetraene |
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Experimental data |
C6H4O2 |
parabenzoquinone |
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Experimental data |
C4H4N2O2 |
Uracil |
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Experimental data |
C4F4 |
tetrafluorcyclobutadiene |
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Experimental data |
C9H8 |
Indene |
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Experimental data |
C9H8 |
spiro[4.4]nona-1,3,6,8-tetraene |
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Experimental data |
C8H7N |
Indole |
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C3F6 |
hexafluoropropene |
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C10H10 |
bullvalene |
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C6N4 |
Tetracyanoethylene |
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C6N4- |
tetracyanoethylene anion |
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C4F6 |
perfluorobutadiene |
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C12H10 |
Heptalene |
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C60 |
Buckminsterfullerene |
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Experimental data |