1H nuclear magnetic resonance investigation of the formation of molecular salicylideneiminato-cobalt(II), -nickel(II), -copper(II), and -zinc(II) complexes with 1,3,5-trinitrobenzene
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 17,p. 1805-1809
- https://doi.org/10.1039/dt9730001805
Abstract
1 : 1 Molecular complexes of tetrahedral cobalt(II), nickel(II), copper(II), and zinc(II) salicylideneiminates and 1 : 2 complexes of square-planar nickel(II) and copper(II) salicylideneiminates with 1,3,5-trinitrobenzene (tnb) have been isolated, and molecular-complex formation in chloroform solution has been demonstrated by 1H n.m.r. probe methods. In some cases the direction of the shift of the tnb resonance could be reversed by the introduction of a nitro-substituent into the salicylideneiminato-chelate. 1H N.m.r. spectra of several salicylideneiminato-cobalt(II) complexes and the temperature dependence of a zinc(II) derivative are also described.Keywords
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