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IV.D.3.a. (XVIII.A.3.)

Species with point groups that differ from experiment at B3PW91/3-21G

  Point group
Species Name Experimental Calculated
HD Deuterium hydride C∞v D∞h
BH3- boron trihydride anion C3v D3h
C2H4+ Ethylene cation D2h D2
HCN+ hydrogen cyanide cation C∞v Cs
H2O2 Hydrogen peroxide C2 C2h
CH3O Methoxy radical C3v C1
MgOH magnesium hydroxide C∞v C1
CH3S thiomethoxy C3v C1
NHCHNH2 aminomethanimine C1 Cs
CaF2 Calcium difluoride C2v D∞h
CH3CCCH3 2-Butyne D3h C1
C4H6 1-Methylcyclopropene Cs C1
CH3NO2 Methane, nitro- Cs C1
NH2CONH2 Urea Cs C2
CF3+ Trifluoromethyl cation D3h C3v
SO3- Sulfur trioxide anion D3h C3v
CH2ClCHO chloroacetaldehyde Cs C1
C3H5Cl 1-Propene, 3-chloro- Cs C1
SeO3 selenium trioxide C3v D3h
C5H8 1,2-Pentadiene Cs C1
C5H10 1-Butene, 2-methyl- Cs C1
C5H10 Cyclopentane D5h C1
C(NH2)H2CH2CH2CH3 1-Butanamine C1 Cs
CH2CHCONH2 Acrylamide Cs C1
C4H6O Furan, 2,3-dihydro- Cs C1
C4H6O Cyclobutanone C2v Cs
C2H6N2O Urea, methyl- Cs C1
C4H10O Propane, 2-methoxy- Cs C1
C4H8S Thiophene, tetrahydro- C2 C1
CHCl2CHO dichloroacetaldehyde C1 Cs
CBr2F2 Methane, dibromodifluoro- C2v Cs
C6H8 trans-2,3,4-Hexatriene C2h Cs
C6H10 3-Hexyne C2v C1
C6H10 2-Hexyne Cs C1
C6H12 1-Hexene C1 Cs
C6H12 2-Butene, 2,3-dimethyl- D2h C1
C6H14 Butane, 2,2-dimethyl- C1 Cs
C6H14 Butane, 2,3-dimethyl- C2 C2h
C2H4N4 1H-Tetrazole, 1-methyl- Cs C1
C4H6N2 1H-Imidazole, 2-methyl- Cs C1
C2O4-2 oxalate anion D2d D2h
C2H4N2O2 Oxalamide C1 C2h
C2H5NO3 Nitric acid, ethyl ester C1 Cs
C5H8O Methyl cyclopropyl ketone Cs C1
C3H6S3 Carbonotrithioic acid, dimethyl ester C1 C2v
C4H8Cl2 Butane, 2,3-dichloro-, (r*,r*)-(.+/-.)- C2 C1
C6H5CH2CH3 Ethylbenzene C1 Cs
CH3C6H4CH3 paraxylene C2 C2h
C6H12O2 Hexanoic acid Cs C1
C4F4 tetrafluorcyclobutadiene C2h D4h
CH3COC6H5 acetophenone C1 Cs