CHM 2046 Chapter Notes - Chapter 22: Photon
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Only the d z2 and d x2 y2 point towards the l (orange balls). dx2 y2 and dz2 orbitals lie on the axes and are more affected by the approaching. The number of unpaired electrons that a particular mx+ ion will have depends on: the identity of the metal (3d vs 4d/5d, the oxidation state of the metal, the dn (the total number of d electrons, the coordination number and geometry, the nature of the ligands (weak field or strong field, the size of vs. the pairing energy (epairing) Note: when < epairing , it is easier for e to go in a higher energy orbital than to pair up with another e in a lower energy orbital, when > epairing , it is easier to pair the e in a lower energy orbital than for it to go to a higher energy orbital, strong field ligands (e. g. cn ) give large and almost always give low spin.