| Ion | ΔHf°(kJ/mol) | ΔGf°(kJ/mol) | S°(J/mol K) |
| F- |
-333 |
-279 |
-14 |
| Cl- |
-167 |
-131 |
57 |
| Br- |
-121 |
-104 |
83 |
| I- |
-57 |
-52 |
107 |
| ClO- |
-107 |
-37 |
42 |
| ClO2- |
-67 |
17 |
101 |
| ClO3- |
-99 |
-3 |
162 |
| ClO4 - |
-129 |
-9 |
192 |
| BrO3- |
-84 |
2 |
163 |
| IO3- |
-221 |
-128 |
118 |
| OH- |
-230 |
-157 |
-11 |
| SH- |
-18 |
12 |
63 |
| S22- |
33 |
86 |
-15 |
| HSO4- |
-887 |
-756 |
132 |
| Ion | ΔHf°(kJ/mol) | ΔGf°(kJ/mol) | S°(J/mol K) |
| SO32- |
-635 |
-487 |
-29 |
| SO42- |
-909 |
-745 |
20 |
| SeO32- |
-509 |
-370 |
13 |
| SeO42- |
-599 |
-441 |
54 |
| NO2- |
-105 |
-37 |
140 |
| NO3- |
-207 |
-111 |
146 |
| N3- |
275 |
348 |
108 |
| PO43- |
-1290 |
-1032 |
-222 |
| CO32- |
-677 |
-528 |
-57 |
| HCO3- |
-692 |
-587 |
91 |
| CN - |
151 |
172 |
94 |
| BF4 - |
-1575 |
-1487 |
180 |
| MnO4 - |
-541 |
-447 |
191 |
| CrO42- |
-881 |
-728 |
50 |
| Cr2O72- |
-1490 |
-1301 |
262 |
Reference: Dasent, pps. 144-145.