| L = 18C6 | B18C6 | ||||
M = Ca | Sr | Ba | M = Ca | Sr | Ba | |
* | -2.1 | -2.2 | -2.3 | -1.3 | -1.3 | -0.5 |
§ | 0.9 | -0.1 | -0.8 | 2.7 | 1.5 | 1.9 |