Self-assembled Transition Metal Coordination Frameworks of ...

Chapter 4
The spectrum of compound 8 shows an axial nature with the indication of a
second species as evidenced in the spectrum, there was hardly any indications of a
third species. Both two species of the complex 8 show typical axial behavior with
different g" and g L values. g" > g L > 2.0023 are consistent with a dx,_v. ground
state in a square planar or square pyramidal geometry. The f values obtained are
nearly the same as reported for similar chloro-bridged copper(H) dimers [40].
1ll
if
(‘I
_,.~__w,L/..-.
"K
‘inf 5
1 V
I
26] 2&1 ED $0 340 36] g
Bo [mu
Fig. 4.23. Experimental (black) and simulated best fit (blue) of the EPR spectrum of
complex 9 in DMF at 77 l(.
The spectrum of the compound 9 is found to be more of an axial type. The
simulation was done by considering two uncoupled axial Cu(H) species, though the
second Cu(H) species might be of rhombic features. There may be more than two
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