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Species which change point group upon ionization.

Comparison of geometries from HF/6-31G* calculations.
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Species Name Point Group
Neutral Ion
BO2 Boron dioxide C∞v D∞h
CH2OH Hydroxymethyl radical C1 Cs
CHFCl Chlorofluoromethyl radical C1 Cs
CH3O Methoxy radical C1 C3v
CH3CHOH 1-hydroxy-ethyl radical C1 Cs
H2O2 Hydrogen peroxide C2 C2h
N2H4 Hydrazine C2 C2h
H2S2 Disulfane C2 C2h
NH2CONH2 Urea C2 C1
AlH2 aluminum dihydride C2v D∞h
PO2 Phosphorus dioxide C2v D∞h
BH2 boron dihydride C2v D∞h
PH4 Phosphoranyl radical C2v Td
Li3 Lithium trimer C2v D3h
NO2 Nitrogen dioxide C2v D∞h
NH3 Ammonia C3v D3h
SiF3 Silicon trifluoride radical C3v D3h
GeH3 Germyl radical C3v D3h
CF3 Trifluoromethyl radical C3v D3h
SiH3 Silyl radical C3v D3h
CH3Cl Methyl chloride C3v Cs
CH3CN Acetonitrile C3v Cs
CCl3 Trichloromethyl radical C3v D3h
SiCl3 trichlorosilyl radical C3v D3h
CH3F Methyl fluoride C3v Cs
SF5 Sulfur pentafluoride C4v D3h
HCS Thioformyl radical Cs C∞v
CH2F fluoromethyl radical Cs C2v
CHF2 difluoromethyl radical Cs C2v
CH3CO Acetyl radical Cs C3v
FCO Carbonyl fluoride Cs C∞v
CH3CHCH3 Isopropyl radical Cs C2
C2H3 vinyl Cs C2v
CH2Cl chloromethyl radical Cs C2v
CH2CHCH3 Propene Cs C2
CH3OH Methyl alcohol Cs C1
HCO Formyl radical Cs C∞v
NNH Dinitrogen monohydride Cs C∞v
HCNH HCNH Cs C∞v
COH Hydroxymethylidyne Cs C∞v
C3H3 cyclopropenyl radical Cs D3h
BeH2 beryllium dihydride D∞h C∞v
B2H6 Diborane D2h C1
C2H4 Ethylene D2h D2
C2H6 Ethane D3d C2h
AlH3 aluminum trihydride D3h C2v
S3 Sulfur trimer D3h C2v
BF3 Borane, trifluoro- D3h C2v
BH3 boron trihydride D3h C2v
F Fluorine atom Oh Kh
Se Selenium atom Oh Kh
SiH4 Silane Td C2v
CCl4 Carbon tetrachloride Td C2v
CH4 Methane Td C2v

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