Standard Heats of Formation for Gaseous Complex Ions, Calculated and (Experimental)

GroupΔHf°
(kJ/mol)
OH--209 (-143)
NH2-63
BH4--96
HF2-627
SO42--758
CrO42--705
SnCl62--1156
PtCl62--792
HS--120
CN-36 (60)
N3-144
O2-(-49)
O22-553
CH3CO2--554
PbCl62--940
TiBr62--554
GroupΔHf°
(kJ/mol)
BF4--1701
NCO--263
SeO42--502
ClO3--200
NO3--320
AlCl4--1196
TiCl62--1330
NH4+630
IO3--208
ClO4--344
CO32--321
HCO3--738
BrO3--145
SiF62--1328
HfCl62--1640
WBr62--705

Reference: Hotop and Lineberger (experimental values); H.D.B. Jenkins and K.F. Pratt, Adv. Inorg. Chem. Radiochem., 22, 1 (1979) (calculated values); R.C. Weast, Ed., "CRC Handbook of Chemistry and Physics," 62nd ed., CRC Press, Boca Raton, FL, 1981, pps. D-85 to D-86 (calculated values)