Table A7.
Occupancy of d orbitals for organometallic complexes (d electron count) of various metal ions [181] in Group 7 to 13 and Period 3 to 6 of the Period Table that feature in this treatise (in bold), and some others ions.
| 7 | 8 | 9 | 10 | 11 | 12 | 13 | |
| 2 | B | ||||||
| 3 | Al (III) d0 | ||||||
| 4 | Mn (II) d5 Mn (III) d4 Mn (VII)d0 |
Fe (I) d7 Fe (II) d6 Fe (III) d5 |
Co (I) d8 Co (II) d7 Co (III) d6 |
Ni (II) d8 | Cu (I) d10 Cu (II) d9 Cu (III) d8 |
Zn (II) d10 | Ga (III) d10 |
| 5 | Tc (I) d6 Tc (IV) d3 Tc (VII) d0 |
Ru (II) d6 Ru (III) d5 Ru (IV) d4 |
Rh (III) d6 | Pd (II) d8 | Ag (I) d10 Ag (II) d9 Ag (III) d8 |
Cd (II) d10 | In (III) d10 |
| 6 | Re (I) d6 | Os (II) d6 Os (IV) d4 Os (VIII)d0 |
Ir (III) d6 | Pt (II) d8 | Au (I) d10 Au (II) d9 Au (III) d8 |
Hg (II) d10 | Tl (III) d10 |
Note that the d electron count (=Group number−Oxidation state) is not the same as the electron configuration for the ion in splendid isolation (for e.g., Re(I)).