Coordination numbers and geometries of metal cyanide complexes

Coordination numbers and geometries of metal cyanide complexes

Table
Coordination numbers and geometries of metal cyanide complexes
electron
configuration* metal ion cyanide
complex geometry total number of
valence electrons
d2 Mo4+ [Mo(CN)8]4− dodecahedral 18
d3 Cr3+ [Cr(CN)6]3− octahedral 15
d4 Mn3+ [Mn(CN)6]3− octahedral 16
d5 Fe3+ [Fe(CN)6]3− octahedral 17
d6 Co3+ [Co(CN)6]3− octahedral 18
d7 Co2+ [Co(CN)5]3− square pyramidal 17
d8 Ni2+ [Ni(CN)4]2− square planar 16
d8 Ni2+ [Ni(CN)5]3− square pyramidal or
trigonal bipyramidal 18
d10 Cd2+ [Cd(CN)4]2− tetrahedral 18
d10 Ag+ [Ag(CN)2] linear 14
*Number of d electrons indicated by superscript.
See as table:

* * *


Universalium. 2010.

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