Study of Some Cyano-Metal Complexes by Nuclear Magnetic Resonance. I. Chemical Shifts and Line Widths of N14 and C13 Resonances

M. Shporer, G. Ron, A. Loewenstein, G. Navon

Research output: Contribution to journalArticlepeer-review

Abstract

Chemical shifts and line widths of N14 n.m.r. in aqueous solutions of various paramagnetic and diamagnetic complex cyanides are reported. The C13 resonance was detected in one paramagnetic complex (K3Fe(CN)6) and in several diamagnetic ones. Temperature and concentration dependence of the resonances for some compounds are also included. The results indicate that in both para- and diamagnetic complexes the line width is determined primarily by the quadrupolar relaxation. Line positions in the diamagnetic complexes do not vary much from complex to complex. In the paramagnetic complexes, on the other hand, considerable shifts have been detected and these are ascribed to the contact term. An exception both with respect to the N14 chemical shifts and the line width was found in K3Cr(CN)6.

Original languageEnglish
Pages (from-to)358-361
Number of pages4
JournalInorganic Chemistry
Volume4
Issue number3
DOIs
StatePublished - 1 Mar 1965
Externally publishedYes

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