Standard Heats of Formation for Gaseous Complex Ions, Calculated and (Experimental)
| Group | ΔHf° (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 |
| Group | ΔHf° (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)