(a) Explain the forms of the d orbital splitting diagrams for trigonal bipyramidal and square pyramidal complexes of formula ML₅ shown in Fig. 20.11. 

(b) What would you expect concerning the magnetic properties of such complexes of Ni(II)?

Figure 20.11.

Transcribed Image Text:

Energy/oct 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 d22 d xy Toe *9/29/ d PR d yz XZ d.2 dxy yz Square Trigonal Square planar bipyramidal pyramidal d_2 d2,2 d d xy XZ yz Octahedral d₂ dy d₂2_2 dre dyz de yz dd22 xy d2 xy d d yz d2 d22 Pentagonal Square Tetrahedral bipyramidal antiprismatic