Coordination Complexes 2

1
Coordination Complexes (2)
Fred J. Grieman
2
Octahedral Structures
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Example Cr(III)L6 Change L Measure ?o
Compare to ionization for transition metal 650
kJ/mol
Cl- lt H2O lt NH3 lt CN-

Many Ligands form
(in text)
4
pointed
interstices of a tetrahedron which are 4
corners of the 8 corners of a cube
dz2, dx2-y2 through faces
. dxy, dxz, dxy through edges __________
of cube
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1) 2) Ligands approach _______________
more directly than ___________ (Changes
energy order from octahedral) 3)
d-orbitals not repelled as much 4)
____________________________
structure
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Square planar
Linear