Table 2c.
Absolute HFEs, relative HFEs (relative to the Cd2+ ion), IODs and CNs of M(II) ions with the parameters taken from Babu and Lim.23
| LJ parameters | Results from Method 2 | Results from Babu and Lim23 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Ions | Rmin/2(Å) | ε(kcal/mol) | HFE (kcal/mol) | Relative HFE (kcal/mol) | IOD (Å) | CN | Relative HFE (kcal/mol) | IOD (Å) | CN |
| Be2+ | 0.5637 | 0.0032 | −521.4 | −145.7 | 1.45 | 3.3 | −156.3 | 1.57 | 4 |
| Cu2+ | 1.033 | 0.0427 | −436.5 | −60.8 | 1.96 | 6.0 | −59.9 | 1.94 | 6 |
| Ni2+ | 1.0941 | 0.0366 | −430.3 | −54.6 | 1.98 | 6.0 | −53.2 | 1.97 | 6 |
| Pt2+ | 1.1376 | 0.0332 | −425.6 | −49.9 | 1.99 | 6.0 | −48.3 | 1.97 | 6 |
| Zn2+ | 1.1489 | 0.0325 | −423.7 | −48.0 | 2.00 | 6.0 | −47.5 | 2.00 | 6 |
| Co2+ | 1.2267 | 0.0286 | −414.6 | −38.9 | 2.03 | 6.0 | −38.0 | 2.02 | 6 |
| Pd2+ | 1.236 | 0.0282 | −413.3 | −37.6 | 2.03 | 6.0 | −37.3 | 2.02 | 6 |
| Ag2+ | 1.3107 | 0.0266 | −403.1 | −27.4 | 2.07 | 6.0 | −26.6 | 2.06 | 6 |
| Cr2+ | 1.3344 | 0.0264 | −399.2 | −23.5 | 2.08 | 6.0 | −22.4 | 2.07 | 6 |
| Fe2+ | 1.3488 | 0.0264 | −397.0 | −21.3 | 2.09 | 6.0 | −20.5 | 2.08 | 6 |
| Mg2+ | 1.3636 | 0.0266 | −394.4 | −18.7 | 2.10 | 6.0 | −17.5 | 2.08 | 6 |
| V2+ | 1.3706 | 0.0266 | −393.5 | −17.8 | 2.10 | 6.0 | −16.2 | 2.11 | 6 |
| Mn2+ | 1.4544 | 0.03 | −377.2 | −1.5 | 2.17 | 6.1 | −1.5 | 2.16 | 6 |
| Cd2+ | 1.46 | 0.0304 | −375.7 | 0.0 | 2.18 | 6.1 | 0.0 | 2.17 | 6 |
| Yb2+ | 1.9298 | 0.0309 | −317.2 | 58.5 | 2.57 | 8.3 | 57.7 | 2.47 | 8 |
| Ca2+ | 1.9364 | 0.0318 | −316.7 | 59.0 | 2.58 | 8.3 | 58.1 | 2.58 | 8 |
| Sn2+ | 1.954 | 0.0346 | −313.2 | 62.5 | 2.61 | 8.5 | 62.6 | 2.58 | 8 |
| Pb2+ | 2.0195 | 0.0557 | −298.2 | 77.5 | 2.71 | 8.9 | 78.2 | 2.68 | 8.5 |
| Eu2+ | 2.0846 | 0.0647 | −288.7 | 87.0 | 2.78 | 9.0 | 88.8 | 2.74 | 9 |
| Sr2+ | 2.0923 | 0.0664 | −287.8 | 87.9 | 2.79 | 9.0 | 89.3 | 2.75 | 9 |
| Sm2+ | 2.0997 | 0.068 | −286.5 | 89.2 | 2.79 | 9.0 | 90.1 | 2.75 | 9 |
| Ba2+ | 2.2451 | 0.1993 | −257.8 | 117.9 | 3.04 | 9.8 | 120.4 | 3.01 | 9.5 |