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1H, 13C and 15N NMR coordination shifts in gold(III), cobalt(III), rhodium(III) chloride complexes with pyridine, 2,2′-bipyridine and 1,10-phenanthroline

✍ Scribed by Leszek Pazderski; Jaromír Toušek; Jerzy Sitkowski; Lech Kozerski; Radek Marek; Edward Szłyk

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 241 KB
Volume: 45
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1910

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✦ Synopsis

Abstract

Au(III), Co(III) and Rh(III) chloride complexes with pyridine (py), 2,2′‐bipyridine (bpy) and 1,10‐phenanthroline (phen) of the general formulae [M^1^LCl~3~], trans‐[M^2^L~4~Cl~2~]^+^, mer‐[M^2^L~3~Cl~3~], [M^1^(LL)Cl~2~]^+^, cis‐[M^2^(LL)~2~Cl~2~]^+^, where M^1^ = Au; M^2^ = Co, Rh; L = py; LL = bpy, phen, were studied by ^1^H^13^C HMBC and ^1^H^15^N HMQC/HSQC. The ^1^H, ^13^C and ^15^N coordination shifts (the latter from ca − 78 to ca − 107 ppm) are discussed in relation to the type of metal, electron configuration, coordination sphere geometry and the type of ligand. The ^13^C and ^15^N chemical shifts were also calculated by quantum‐chemical NMR methods, which reproduced well the experimental tendencies concerning the coordination sphere geometry and the ligand type. Copyright © 2006 John Wiley & Sons, Ltd.

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