Errors in I.P.

Errors in I.P. (eV)

Empirical	Chemical Name	Expt.	PM7	PM6
H2	Hydrogen	15.40	-0.37	-0.36	a
Be	Beryllium, atom	9.20	-1.24	-0.39	a
B4H10	Tetraborane(10)	11.50	-0.46	-0.31	c
B5H9	Pentaborane(9)	10.52	-0.07	-0.63	c
B5H11	Pentaborane(11)	10.70	-0.16	-0.28	a
B6H10	Hexaborane(10)	9.40	0.44	0.01	a
B10H14	Decaborane(14)	9.88	0.67	0.34	a
CH4	Methane	13.60	0.13	0.08	d
C2H2	Acetylene	11.40	0.22	0.19	a
C2H4	Ethylene	10.51	0.24	0.16	a
C2H6	Ethane	12.00	-0.03	-0.08	a
BeC2H6	Dimethylberyllium	10.67	0.81	0.26	e
C3	Carbon, trimer	11.10	-0.17	-0.39	a
C3H4	Allene	10.07	0.33	0.30	a
C3H4	Cyclopropene	9.86	0.31	0.22	f
C3H4	Propyne	10.37	0.39	0.36	d
C3H6	Cyclopropane	11.00	0.59	0.41	d
C3H6	Propene	9.88	0.24	0.16	g
C3H8	Propane	11.50	-0.11	-0.16	h
C4H2	Diacetylene	10.17	0.36	0.41	a
C4H4	CH2=C=C=CH2	9.10	0.55	0.52	a
C4H6	1,2-Butadiene	9.15	0.64	0.57	a
C4H6	1,3-Butadiene	9.08	0.53	0.50	d
C4H6	1-Butyne	10.20	0.43	0.42	a
C4H6	2-Butyne	9.60	0.45	0.42	a
C4H6	Cyclobutene	9.43	0.50	0.38	a
C4H8	1-Butene	9.70	0.33	0.27	a
C4H8	Cyclobutane	10.70	0.37	0.32	a
C4H10	Isobutane	11.40	-0.12	-0.19	h
C4H10	n-Butane, trans	11.20	-0.03	-0.06	a
BeC4H10	Diethylberyllium	9.46	0.88	0.60	e
C5H6	Cyclopentadiene	8.57	0.74	0.63	a
C5H8	Cyclopentene	9.18	0.32	0.25	a
C5H10	Cyclopentane	10.50	0.52	0.51	a
C5H12	n-Pentane	10.30	0.78	0.75	a
C5H12	Neopentane	11.30	0.08	0.04	h
BeC5H6	Cyclopentadienylberyllium hydride	9.64	0.25	-0.06	i
C6H6	Benzene	9.25	0.57	0.39	a
C6H10	Cyclohexene	10.30	-0.81	-0.90	a
C6H12	Cyclohexane	10.30	0.51	0.48	a
C7H8	Cycloheptatriene	8.50	0.51	0.39	a
C7H8	Toluene	8.82	0.61	0.42	d
C8H10	Ethylbenzene	8.80	0.65	0.47	a
C8H14	Bicyclo(2.2.2)-octane	9.45	0.93	0.89	a
C10H8	Naphthalene	8.15	0.80	0.73	a
C10H16	Adamantane	9.60	0.60	0.57	a
C14H10	Anthracene	8.16	0.23	0.21	a
NH3	Ammonia	10.85	-0.70	-0.75	d
CNH	Hydrogen cyanide	13.60	0.20	-0.47	d
CNH5	Methylamine	9.60	-0.12	-0.19	a
C2NH3	Acetonitrile	12.21	0.56	0.56	a
C2NH3	Methyl isocyanide	11.32	0.28	0.17	a
C2NH5	Ethyleneimine (Azirane)	9.90	0.27	0.07	a
C2NH7	Dimethylamine	8.93	0.15	0.03	j
C2NH7	Ethylamine	9.50	0.02	-0.04	a
C3NH	CH.C.CN	11.75	0.20	0.24	a
C3NH3	Acrylonitrile	10.91	0.37	0.34	a
C3NH5	Ethyl cyanide	11.90	0.38	0.40	a
C3NH9	Trimethylamine	8.54	0.28	0.11	j
C4NH5	Pyrrole	8.21	0.81	0.69	a
C5NH5	Pyridine	9.67	0.57	0.43	a
C6NH7	Aniline	7.70	0.62	0.52	a
C7NH5	Phenyl cyanide	9.70	0.63	0.48	a
N2	Nitrogen	15.60	-1.94	-2.73	a
CN2H2	Diazomethane	9.00	0.54	0.53	a
CN2H6	Methylhydrazine	9.30	-0.55	-0.72	a
C2N2	Cyanogen	13.36	0.43	0.22	a
CN3H3	Methyl Azide	9.81	0.11	0.13	a
H2O	Water	12.62	-0.51	-0.72	d
Li2O	Lithium oxide (Li2O)	6.20	1.61	1.85	a
CO	Carbon monoxide	14.01	-1.68	-1.99	a
CH2O	Formaldehyde	10.10	0.25	0.10	a
CH4O	Methanol	10.96	-0.23	-0.43	a
BCH3O	BH3CO	11.92	-0.29	-0.17	k
C2H2O	Ketene	9.64	0.25	0.22	a
C2H4O	Acetaldehyde	10.21	0.09	0.03	a
C2H4O	Ethylene oxide	10.57	-0.02	-0.30	d
C2H6O	Dimethyl ether	10.04	-0.09	-0.28	a
C2H6O	Ethanol	10.60	-0.07	-0.21	a
C3H4O	Acrolein	10.11	0.16	0.08	a
C3H6O	Acetone	9.72	0.52	0.54	a
C3H6O	Propanal	10.00	0.19	0.10	a
C4H4O	Furan	8.88	0.67	0.66	a
C4H8O	Butanal	9.83	0.35	0.27	a
C4H10O	Diethyl ether	9.60	0.13	-0.01	a
C7H6O	Benzaldehyde	9.70	0.47	0.36	a
C7H8O	Anisole	8.40	0.57	0.43	a
CNHO	Hydrogen isocyanate	11.60	-0.41	-0.37	a
CO2	Carbon dioxide	13.78	-1.02	-0.79	d
CH2O2	Formic acid	11.51	0.02	0.07	a
C2H2O2	trans Glyoxal	10.59	-0.32	-0.50	a
C2H4O2	Acetic acid	10.80	0.51	0.62	a
C2H4O2	Methyl formate	11.02	0.11	0.17	l
C2H6O2	Dimethyl peroxide	10.60	-1.24	-1.61	a
C3O2	Carbon suboxide	10.60	0.08	0.19	a
C3H4O2	beta-Propiolactone	10.60	0.44	0.59	a
C3H6O2	Methyl acetate	10.60	0.35	0.47	a
C3H6O2	Propionic acid	10.50	0.68	0.77	a
C5H8O2	Acetylacetone	9.15	1.20	1.26	a
C7H6O2	Benzoic acid	9.80	0.46	0.39	a
CNH3O2	Methyl nitrite	11.00	-0.58	-0.85	a
CNH3O2	Nitromethane	11.30	-0.06	0.13	a
C3NH7O2	Alanine	8.90	1.07	1.13	a
C6NH5O2	Nitrobenzene	9.90	0.83	0.72	a
O3	Ozone	12.75	-0.11	-1.22	e
C4H2O3	Malaic anhydride	10.84	0.70	0.84	a
C7H6O3	o-Salicylic acid	9.80	-0.24	-0.21	a
C2H2O4	Oxalic acid	11.20	-0.08	0.11	a
N2O4	Dinitrogen tetroxide	11.40	-0.19	-0.21	a
N2O5	Dinitrogen pentoxide	12.30	0.04	0.31	a
HF	Hydrogen fluoride	16.06	-0.26	-0.24	m
LiF	Lithium fluoride	11.30	0.09	1.10	n
CH3F	Fluoromethane	13.31	-0.14	-0.04	o
C2HF	Fluoroacetylene	11.30	0.34	0.29	a
C2H3F	Fluoroethylene	10.58	0.26	0.23	a
C2H5F	Fluoroethane	12.43	-0.32	-0.27	a
C3H7F	2-Fluoropropane	11.08	0.86	0.89	a
C6H5F	Fluorobenzene	9.19	0.75	0.59	a
NOF	Nitrosyl fluoride	12.94	-1.13	-1.53	p
C7H5O2F	p-Fluorobenzoic acid	9.90	0.44	0.38	a
NO2F	Fluorine nitrite	13.51	-0.77	-0.67	p
BeF2	Beryllium difluoride	14.50	0.68	0.38	a
CH2F2	Difluoromethane	13.17	0.02	0.19	o
C2F2	Difluoroacetylene	11.20	0.44	0.33	a
C2H2F2	gem-Difluoroethylene	10.72	0.08	0.07	a
C2H4F2	1,1-Difluoroethane	12.80	0.05	0.16	a
N2F2	trans-Difluorodiazene	13.40	-1.26	-1.87	q
OF2	Difluorine oxide	13.26	-1.39	-2.06	q
BF3	Boron trifluoride	15.70	-0.83	-0.44	a
CHF3	Trifluoromethane	14.80	-0.34	-0.26	a
C2HF3	Trifluoroethylene	10.54	0.44	0.41	a
C2H3F3	1,1,1-Trifluoroethane	13.80	0.27	0.33	a
C7H5F3	Trifluoromethylbenzene	9.68	0.78	0.62	a
NF3	Nitrogen trifluoride	13.73	-0.33	-0.91	a
C2HO2F3	Trifluoroacetic acid	12.00	0.21	0.26	a
CF4	Carbon tetrafluoride	16.23	-0.14	-0.19	a
C2F4	Tetrafluoroethylene	10.50	0.59	0.51	a
N2F4	Tetrafluorohydrazine	12.00	0.82	0.09	a
C6HF5	Pentafluorobenzene	9.75	0.99	0.84	a
C2F6	Hexafluoroethane	14.60	-0.34	-0.23	a
C6F6	Hexafluorobenzene	10.90	0.14	-0.02	a
C3OF6	Perfluoroacetone	12.10	0.07	-0.04	a
NaBO2	NaBO2	9.20	0.50	0.40	n
MgC10H10	Dicyclopentadienyl magnesium	11.00	-2.20	-2.39	a
MgF2	Magnesium difluoride	13.30	0.06	-0.47	n
AlC3H9	Trimethylaluminum	9.76	0.36	0.55	r
SiC2H6	Vinylsilane	10.40	0.36	0.08	a
SiC2H8	Dimethylsilane	11.20	0.16	-0.56	a
SiC2H8	Ethylsilane	10.18	0.66	0.17	n
SiC3H10	Trimethylsilane	10.70	0.39	-0.44	a
SiC4H12	Tetramethylsilane	9.80	1.05	0.13	a
SiH2F2	Difluorosilane	12.85	0.26	-1.29	s
SiF4	Silicon tetrafluoride	15.81	-0.24	-0.45	t
Si2C6NH19	Hexamethyldisilazane	8.66	-0.15	0.48	u
PH3	Phosphine	9.98	1.06	-0.25	v
CPH5	Methylphosphine	9.72	0.50	-0.42	a
C2PH7	Dimethylphosphine	9.10	0.47	-0.16	a
C3PH9	Trimethylphosphine	8.60	0.50	0.06	n
C3PH9O3	Trimethyl phosphite	9.00	0.77	0.61	a
PF3	Phosphorus trifluoride	9.71	2.22	1.80	v
POF3	Phosphorus oxyfluoride	12.77	-1.11	0.29	a
H2S	Hydrogen sulfide (H2S)	10.43	-1.06	-0.99	n
CS	Carbon sulfide	11.30	-0.59	-0.66	a
CH2S	Thioformaldehyde	9.34	-0.57	-0.45	w
CH4S	Thiomethanol	9.44	-0.58	-0.53	n
C2H2S	Thioketene, H2CCS	8.89	-0.11	0.05	x
C2H4S	Thiirane	8.87	0.06	0.15	n
C2H6S	Dimethyl thioether	8.65	-0.23	-0.19	n
C2H6S	Thioethanol	9.21	-0.37	-0.31	y
C3H6S	Thietane	8.65	-0.06	0.02	z
C3H8S	1-Propanthiol	9.19	-0.34	-0.27	a
C3H8S	Isopropanthiol	9.14	-0.32	-0.24	a
C4H4S	Thiophene	8.95	0.09	0.10	n
C4H8S	Tetrahydrothiophene	8.60	-0.21	-0.14	a
C4H10S	Butanethiol	9.15	-0.31	-0.24	a
C6H6S	Thiophenol	8.47	0.21	0.24	z
NS	Sulfur nitride	8.87	0.09	1.72	a
CNHS	Hydrogen isothiocyanate	9.94	-0.72	-0.61	a
C2NH3S	Methyl isothiocyanate	9.37	-0.49	-0.37	a
C2NH3S	Methyl thiocyanate	9.96	-0.59	-0.50	a
CSO	Carbon oxysulfide	11.20	-1.01	-0.81	a
C2H4SO	Thiolacetic acid	9.70	-0.02	0.17	a
C2H6SO	Dimethyl sulfoxide	9.01	-0.39	-0.65	a
SO2	Sulfur dioxide	12.30	-2.22	-2.47	n
SO3	Sulfur trioxide	11.00	1.21	1.23	n
SF	Sulfur fluoride	10.00	-0.52	-0.22	a
SF2	Sulfur difluoride	10.20	-0.87	-0.67	a
CSF2	Thiocarbonyl difluoride	10.46	-0.43	-0.33	a
SOF2	Thionyl fluoride	12.58	-2.14	-2.28	a
SO2F2	Sulfuryl fluoride	13.04	-0.26	-0.08	a
SF4	Sulfur tetrafluoride	12.05	-1.71	-1.67	a
SF6	Sulfur hexafluoride	15.70	0.04	0.05	a
PS	Phosphorus sulfide	9.00	-0.50	0.77	a
H2S2	Hydrogen disulfide	10.01	-0.62	-0.46	aa
CS2	Carbon disulfide	10.08	-0.98	-0.72	n
C2H6S2	2,3-Dithiabutane	8.71	0.08	0.17	n
C2H6S2	Ethanedithiol-1,2	9.30	-0.27	-0.17	z
C2N2S2	S2(CN)2	11.05	-0.78	-0.63	a
S2F2	FSSF	10.68	-1.03	-0.77	a
C3H4S3	1,3-Dithiolan-2-thione	8.40	0.34	0.45	a
S8	S8	9.04	-0.15	-0.07	n
HCl	Hydrogen chloride	12.75	-1.02	-1.16	m
LiCl	Lithium chloride	9.57	0.26	0.35	a
CH3Cl	Methyl chloride	11.30	-0.35	-0.60	a
C7H5ClO	Benzoyl chloride	9.90	0.68	0.53	a
NClO	Nitrosyl chloride	10.90	0.12	-0.30	a
NClO2	Nitryl chloride	11.40	0.47	0.58	a
ClF	Chlorine fluoride	12.02	-0.29	-0.53	bb
BeClF	Beryllium chloride fluoride	13.00	-1.20	-1.07	a
CH2ClF	Fluorochloromethane	11.74	-0.43	-0.62	a
CHClF2	Difluorochloromethane	12.60	-0.76	-0.88	a
CClF3	Trifluorochloromethane	10.30	2.13	2.03	a
SClO2F	SO2ClF	12.61	-0.18	-0.18	a
Li2Cl2	Lithium chloride, dimer	10.20	0.31	0.55	a
BeCl2	Beryllium dichloride	12.50	-0.63	-0.91	a
CH2Cl2	Dichloromethane	11.30	-0.08	-0.38	a
CCl2O	Carbonyl chloride	11.84	0.10	-0.09	a
CHCl2F	Fluorodichloromethane	12.00	-0.27	-0.63	a
CCl2F2	Difluorodichloromethane	12.30	-0.21	-0.56	a
MgCl2	Magnesium dichloride	10.50	0.87	0.81	a
SiH2Cl2	Dichlorosilane	11.70	0.03	-0.68	s
SiC2H6Cl2	Dichlorodimethylsilane	10.79	0.25	-0.26	a
SCl2	Sulfur dichloride	9.70	0.04	-0.12	a
SCl2O	Thionyl chloride	11.10	-0.50	-0.70	a
SCl2O2	Sulfuryl chloride	12.40	0.05	-0.03	a
S2Cl2	ClSSCl	9.40	0.52	0.45	a
BCl3	Boron trichloride	11.62	0.20	-0.09	a
CCl3	Trichloromethyl	8.28	1.25	0.89	a
CHCl3	Chloroform	11.48	0.14	-0.18	a
B3N3H3Cl3	B3N3Cl3H3	10.55	0.06	0.16	cc
CCl3F	Fluorotrichloromethane	11.90	0.15	-0.29	a
AlCl3	Aluminum trichloride	12.01	-0.99	-0.53	a
PCl3	Phosphorus trichloride	10.50	0.28	0.05	a
PCl3O	Phosphorus oxychloride	11.85	-0.67	0.33	a
LiAlCl4	LiAlCl4	10.50	0.40	0.77	a
SiCl4	Silicon tetrachloride	11.79	0.07	-0.22	dd
PCl5	Phosphorus pentachloride	10.80	-0.05	0.75	a
C2Cl6	Hexachloroethane	11.20	0.67	0.19	a
KBO2	KBO2	8.62	0.89	0.61	a
KCl	Potassium chloride	8.44	0.82	-0.08	a
TiCl4	Titanium tetrachloride	11.70	-0.35	0.09	a
ZnC2H6	Dimethyl zinc	9.40	-0.71	0.13	a
ZnC4H10	Diethyl zinc	8.60	-0.34	0.36	a
ZnCl2	Zinc dichloride	11.87	-0.60	-0.48	ee
GeH4	Germane	11.31	0.69	0.85	ff
GeC4H12	Tetramethylgermanium	9.29	0.94	0.90	gg
GeC7H18	t-Butyltrimethylgermane	8.98	0.11	0.12	gg
GeC8H20	Tetraethylgermanium	9.30	0.21	0.25	a
GeO	Germanium oxide	11.25	-2.55	-2.14	a
GeF4	Germanium tetrafluoride	16.06	-2.63	-1.57	a
GeC3H9Cl	Trimethylchlorogermane	10.50	-0.26	-0.22	hh
GeCl4	Germanium tetrachloride	11.88	-0.24	0.14	t
Ge2C6H18	Hexamethyl digermane	8.18	0.70	0.29	gg
Ge3NH9	Trigermylamine	9.20	-0.95	-1.25	a
AsH3	Arsine	10.58	-0.79	-1.02	a
C3AsH9	Trimethylarsine	8.65	0.02	-0.04	a
AsF3	Arsenic trifluoride	12.30	-0.97	-1.47	a
AsCl3	Arsenic trichloride	10.55	0.27	0.07	a
As4O6	Arsenic trioxide dimer	10.01	0.03	-0.83	a
H2Se	Hydrogen selenide	9.88	-1.59	-1.12	a
C2H6Se	Dimethylselenium	8.40	-0.52	-0.20	a
C4H4Se	Selenophene	8.78	-0.45	0.03	a
C4H8Se	Tetrahydroselenophene	8.14	-0.31	-0.01	a
SeCl2	Selenium dichloride	9.50	-0.62	-0.30	a
CSe2	Carbon diselenide	9.25	-1.38	-0.47	a
Se2Cl2	ClSeSeCl	9.81	-1.04	-0.62	a
HBr	Hydrogen bromide	11.71	-1.06	-0.57	m
LiBr	Lithium bromide	9.43	-0.46	-0.23	a
CH3Br	Bromomethane	10.53	-0.32	0.08	a
C2H3Br	Bromoethylene	9.90	0.06	0.32	a
C2H5Br	Bromoethane	10.28	-0.16	0.19	a
C3H7Br	1-Bromopropane	10.18	-0.06	0.30	a
C6H5Br	Bromobenzene	9.25	0.35	0.40	a
C2H3BrO	Acetyl bromide	10.55	0.01	0.34	dd
CBrF3	Bromotrifluoromethane	12.10	-0.61	-0.10	a
NaBr	Sodium bromide	8.31	0.85	0.09	a
KBr	Potassium bromide	7.85	0.97	0.05	a
GeC3H9Br	Trimethylbromogermane	10.00	-0.25	0.03	hh
Br2	Bromine	10.70	-0.20	0.01	a
Li2Br2	Lithium bromide, dimer	10.05	-0.69	-0.49	a
CH2Br2	Dibromomethane	10.50	-0.14	0.10	a
CBr2F2	Difluorodibromomethane	11.18	-0.18	-0.07	a
C2Br2F4	1,2-Dibromotetrafluoroethane	11.44	-0.15	0.07	a
ZnBr2	Zinc dibromide	10.89	-0.60	0.18	a
SeBr2	Selenium dibromide	9.17	-0.41	-0.25	a
CHBr3	Bromoform	10.50	0.07	0.25	a
PBr3	Phosphorus tribromide	10.00	-0.18	-0.21	a
GaBr3	Gallium tribromide	10.94	-0.02	0.32	a
RbCl	Rubidium chloride	8.50	0.34	0.06	a
RbBr	Rubidium bromide	7.94	0.14	0.12	a
CdC2H6	Dimethyl cadmium	8.80	1.60	-0.20	a
CdC4H10	Diethyl cadmium	8.20	1.14	-0.13	a
CdF2	Cadmium difluoride	13.18	0.77	-0.98	a
CdCl2	Cadmium dichloride	11.30	0.20	-0.23	a
CdBr2	Cadmium dibromide	10.58	-0.02	-0.10	a
InCl	Indium chloride	9.71	-0.21	0.17	a
InBr3	Indium tribromide	10.30	0.44	1.09	a
SnH4	Tin tetrahydride (stannane)	9.20	2.19	2.15	ii
SnC4H12	Tetramethyltin	8.90	1.64	1.33	a
SnC8H20	Tetraethyltin	8.90	0.89	0.52	a
SnF2	Tin difluoride	8.00	3.28	1.68	a
SnS	Tin sulfide	9.40	-0.46	-0.30	a
SnC3H9Cl	Trimethyltin chloride	9.88	0.60	0.61	jj
SnCl2	Tin dichloride	10.10	0.48	-0.54	kk
SnCl4	Tin tetrachloride	11.90	0.06	0.35	t
SnGeC6H18	GeMe3-SnMe3	8.20	0.99	0.51	ll
SnSe	Tin selenide	9.00	-0.31	0.07	a
SnC3H9Br	Trimethyltin bromide	9.60	0.19	0.54	jj
SnBr2	Tin dibromide	9.80	0.06	-0.65	a
SnBr4	Tin tetrabromide	11.00	-0.02	0.50	dd
SbH3	Stibine	9.51	0.60	-0.47	a
C3SbH9	Trimethylstibine	8.48	0.46	0.19	a
C18SbH15	Triphenylstibine	8.08	0.92	0.70	a
SbF3	Antimony trifluoride	12.61	-0.42	-0.81	a
SbCl3	Antimony trichloride	10.70	0.39	-0.04	a
TeSe	Selenium telluride	8.80	-0.89	-0.73	a
SnTe	Tin telluride	8.61	-0.54	-0.09	a
HI	Hydrogen iodide	10.39	-0.84	-0.20	v
LiI	Lithium iodide	8.44	0.39	-0.35	a
CH3I	Methyl iodide	9.50	-0.48	0.38	a
C2H5I	Iodoethane	9.34	-0.37	0.39	a
C3H7I	1-Iodopropane	9.27	-0.30	0.47	a
C3H7I	2-Iodopropane	9.40	-0.48	0.17	a
C4H9I	1-Butyl iodide	9.20	-0.24	0.54	a
C6H5I	Iodobenzene	8.70	0.17	0.71	a
C6H11I	Iodocyclohexane	8.91	0.00	0.68	a
C7H7I	Benzyl iodide	8.91	0.05	0.40	a
CIF3	Trifluoroiodomethane	10.45	-0.54	0.56	a
NaI	Sodium iodide	7.64	0.96	-0.21	a
ICl	Iodine chloride	10.10	-0.57	0.14	mm
GaI	Gallium iodide	9.00	-0.10	0.50	a
IBr	Iodine bromide	9.85	-0.42	0.33	mm
RbI	Rubidium iodide	7.30	1.17	-0.36	a
Li2I2	Lithium iodide, dimer	9.23	-0.16	-0.88	a
CH2I2	Diiodomethane	9.46	-0.31	0.29	a
C2I2	Diiodoacetylene	9.03	-0.23	0.83	nn
MgI2	Magnesium diiodide	9.57	0.03	0.21	a
CaI2	Calcium diiodide	10.10	-0.68	-0.74	a
ZnI2	Zinc diiodide	9.73	-0.18	0.43	a
SrI2	Strontium diiodide	10.00	-0.75	-0.63	a
GaI3	Gallium triiodide	9.51	0.34	0.73	a
GeI4	Germanium tetraiodide	9.42	0.48	0.86	a
CsF	Cesium fluoride	9.70	0.35	-0.52	a
CsAlF4	Cesium tetrafluoroaluminate	13.12	-1.22	-	a
CsCl	Cesium chloride	7.84	1.06	0.73	a
CsBr	Cesium bromide	8.00	0.32	0.31	a
CsI	Cesium iodide	7.20	0.70	0.76	a
BaCl2	Barium dichloride	10.00	0.42	0.08	a
HgC2H6	Dimethylmercury	9.33	0.80	-0.15	oo
HgC4H10	Diethylmercury	8.45	1.04	-0.06	oo
HgC6H14	Di-n-propylmercury	8.29	1.25	0.24	oo
HgC12H10	Diphenylmercury	8.30	1.46	1.03	a
HgCH3Cl	Methylmercuric chloride	10.88	0.15	-0.49	pp
HgC2H5Cl	Ethylmercuric chloride	10.22	0.55	-0.59	qq
HgC3H7Cl	n-Propylmercuric chloride	10.15	0.65	-0.45	qq
HgCl2	Mercury dichloride	11.37	0.13	-0.08	pp
HgCH3Br	Methylmercuric bromide	9.25	0.94	0.71	pp
HgBr2	Mercury dibromide	10.62	-0.10	-0.10	pp
HgI2	Mercury diiodide	9.50	0.06	0.39	pp
Hg2	Mercury, dimer	9.40	1.13	1.86	a
TlF	Thallium fluoride	10.80	0.89	0.45	a
TlCl	Thallium chloride	9.89	0.87	0.05	a
TlI	Thallium iodide	8.47	0.32	0.40	a
LiPb	Lithium plumbide	6.40	0.86	-0.16	a
PbC4H12	Tetramethyllead	8.90	1.48	0.65	rr
PbC7H18	t-Butyltrimethyllead	7.99	1.16	0.29	gg
PbC8H20	Tetraethyllead	8.13	1.46	0.77	rr
PbC10H10	Bicyclopentadienyllead (plumbocene)	7.53	1.22	0.67	a
PbO	Lead oxide	9.08	0.73	0.44	ss
PbO2	Lead dioxide	8.87	2.09	1.64	ss
PbF2	Lead difluoride	11.84	0.21	-0.74	tt
PbCl2	Lead dichloride	10.34	0.32	0.07	uu
PbBr2	Lead dibromide	9.85	0.21	-0.18	uu
PbTe	Lead telluride	8.04	-1.15	0.47	a
PbI2	Lead diiodide	8.90	0.32	-0.05	uu
Pb2C6H18	Hexamethyldiplumbane	7.41	1.10	0.69	gg
LiBi	Lithium bismuthide	6.00	-2.50	-2.66	a
BiC5H5	C5H5Bi (Bismin)	7.90	0.11	0.10	a
BiC18H15	Triphenylbismuth	7.45	1.70	1.37	a
BiF3	Bismuth trifluoride	12.00	0.22	0.07	a
Bi2	Bismuth, dimer	7.30	0.75	-0.71	a

a: R. D. Levin, S. G. Lias, "Ionization Potentials and Appearance Potential Measurements," 1971-1981, Natl. Stand. Ref. Data Ser., Natl. Bur. Stand. 71, (1982), Cat. No. C13.48:71.

b: C. H. Wu, J. Chem. Phys., 91, 546 (1989).

c: D. R. Lloyd, N. Lynaugh, P. J. Roberts, M. F. Guest, J. Chem. Soc. Faraday Trans. 1, 1382 (1975).

d: D. W. Turner, C. Baker, A. D. Baker, C. R. Brundle, "Molecular Photoelectron Spectroscopy," Wiley-Interscience, London, 1970.

e: D. B. Chambers, G. E. Coates, F. Glonkling, J. Chem. Soc., A. 741 (1970).

f: P. Bischof, E. Heilbronner, Helv. Chim. Acta, 53, 1677 (1970).

g: A. Katrib, J. W. Rabalais, J. Phys. Chem., 77, 2358 (1973).

h: J. N. Murrell, W. Schmidt, J. Chem. Soc., Faraday Trans. 2, 68, 1709 (1972).

i: M. J. S. Dewar, H. S. Rzepa, J. Am. Chem. Soc., 100, 777 (1989).

j: J. P. Maier, D. W. Turner, J. Chem. Soc., Faraday Trans. 2, 69, 521 (1973).

k: D. R. Lloyd, N. Lynaugh, Chem. Comm. 1545 (1970).

l: D. A. Sweigart, D. W. Turner, J. Am. Chem. Soc., 94, 5592 (1972).

m: D. C. Frost, C. A. McDowell, D. A. Vroom, J. Chem. Phys., 46, 4255 (1967).

n: H. M. Rosenstock, K. Draxl, B. W. Steiner, J. T. Herron, "Energetics of Gaseous Ions," J. Phys. Ref. Data, 6 Suppl. 1 (1977).

o: M. S. Banna, B. E. Mills, D. W. Davis, D. A. Shirley, J. Chem. Phys., 61, 4780 (1974).

p: D. C. Frost, S. T. Lee, C. A. McDowell, N. P. C. Westwood, J. Electron Spectrosc. Relat. Phenom., 7, 331 (1975).

q: C. F. Brundle, M. B. Robin, N. A. Kuebler, H. Basch, J. Am. Chem. Soc., 94, 1451 (1972).

r: G. K. Baker, M. F. Lappert, J. B. Pedley, G. J. Sharp, N. P. C. Westwood, J. Chem. Soc. Dalton Trans., 1765, (1975).

s: D. C. Frost, F. G. Herring, A. Katrib, R. A. N. McLean, J. E. Drake, N. P. C. Westwood, Can. J. Chem., 49, 4033 (1971).

t: P. J. Bassett, D. R. Lloyd, J. Chem. Soc. A, 641 (1971).

u: J. B. Pedley, G. Rylance, "Sussex-N.P.L. Computer Analysed Thermochemical Data: Organic and Organometallic Compounds," Sussex University, 1977.

v: "CRC Handbook of Chemistry and Physics," 60th Edition, R. C. Weast, (Ed.), CRC Press, Boca Raton, FL, 1980.

w: B. Solouki, P. Rosmus, H. Bock, Chem. Phys. Lett., 98, 6054 (1976).

x: H. Bock, B. Solouki, G. Bert, P. Rosmus, J. Am. Chem. Soc., 99, 1663 (1977).

y: I. Omura, K. Higasi, H. Baba, Bull. Chem. Soc. Japan, 29, 504 (1956).

z: G. Gleiter, J. Spanget-Larsen, "Topics in Current Chemistry," 86, 139 (1979).

aa: B. Solouki, H. Bock, Inorg. Chem., 16, 665 (1977).

bb: C. P. Anderson, G. Mamantov, W. E. Bull, F. A. Grimm, J. C. Carver, T. A. Carlson, Chem. Phys. Lett., 12, 137 (1971).

cc: K. Siegbahn, D. A. Allison, J. H. Allison, Handbook of Spectroscopy, W. J. Robinson, Ed.,CRC Press, Cleveland, Oh, (1974).

dd: J. C. Green, M. L. H. Green, P. J. Joachim, A. F. Orchard, D. W. Turner, Philos. Trans. R. Soc. London, Ser. A, 111, A268 (1970).

ee: B. G. Cooksey, J. H. D. Eland, C. J. Danby, J. Chem. Soc., Faraday Trans. 2 69, 1558 (1973).

ff: B. P. Pullen, T. A. Carlson, W. E. Moddeman, G. K. Schweitzer, J. Chem. Phys., 53, 768 (1970).

gg: M. F. Lappert, J. B. Pedley, J. Simpson, T. R. Spalding, J. Organomet. Chem., 29, 195 (1971).

hh: J. R. Drake, K. Gorzelska, J. Electron Spectrosc., 21, 1981 (1981).

ii: F. E. Saalfeld, H. Svec, J. Inorg. Chem., 2, 46 (1963).

jj: A. Flamini, E. Semprini, F. Stefani, S. Sorriso, G. Cardaci, J. Chem. Soc., Dalton Trans., 731 (1976).

kk: "Gmelins Handbuch der anorganischen Chemie", Zinn, Thiel C1, Verlag Chemie, GMBH, Weinheim, 1972.

ll: J. C. Baldwin, M. F. Lappert, J. B. Pedley, J. S. Poland, J. Chem. Soc., Dalton Trans., 1943 (1972).

mm: K. H. Hellwege, A. M. Hellwege, Eds. "Molecular Constants from Microwave Spectroscopy," Landolt-Bornstein, New Series II; Springer-Verlag; Berlin, Vol. 4, (1967).

nn: E. Heilbronner, V. Hornung, E. Kloster-Jensen, Helv. Chim. Acta, 53, 331 (1970).

oo: Tl. P. Fahler, J. Ulman, W. A. Nugent, J. K. Kochi, Inorg. Chem. 15, 2544 (1976).

pp: J. H. D. Elan, Int. J. Mass Spect. Ion Phys. 4, 37 (1970).

qq: V. N. Baidin, Y. V. Chizhov, N. M. Timoshenko, O. K. Sokolikova, Yu. K. Grishin, Yu. A. Ustynyuk, J. Struct. Chem. (Engl. Transl.) 22, 616 (1981).

rr: J. K. Kochi, "Organometallic Mechanisms and Catalysis"; Academic Press: New York, 1978, p 454.

ss: K. F. Zmbov, M. Miletic, Adv. Mass Spect., 7A, 573 (1978).

tt: I. Novak, A. W. Potts, J. Chem. Soc., Dalton Trans., 2211 (1983).

uu: I. Novak, A. W. Potts, J. Electron Spect. Rel. Phenom. 33, 1 (1984).