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. Author manuscript; available in PMC: 2010 Mar 11.
Published in final edited form as: J Am Chem Soc. 2009 Mar 11;131(9):3230–3245. doi: 10.1021/ja807081d

Table 3.

Carbonyl stretching frequencies for the ligand-copper(I)-carbonyl complexes.

Compound Nujol (cm-1) THF (cm-1) CH3CN (cm-1)
[CuI(PyL)(CO)]+ 2077 2090 2092
[CuI(OL)(CO)]+ 2093 2093 2095
[CuI(BzL)(CO)]+ 2093 2095 2094