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Transition metal complexes with bidentate ligands spanning trans-positions part XV X-ray structural and 31P-NMR solution studies of some three-coordinate silver complexes of 2,11-bis[di(tert-butyl)phosphinomethyl]benzo[c]phenathrene and related ligands

✍ Scribed by Merceds Camalli; Francesco Caruso; Stanislav Chaloupka; Pramesh N. Kapoor; Paul S. Pregosin; Luigi M. Venanzi

Publisher
John Wiley and Sons
Year
1984
Tongue
German
Weight
508 KB
Volume
67
Category
Article
ISSN
0018-019X

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✦ Synopsis

A series of three-coordinate bis(dialkylphosphinomethyl)benzo[c]phenanthrene

Ag(1) complexes, alkyl = t-Bu, (lb), and cyclohexyl, (lc), anion = BF,, ClO,, NO,, C1, Br, I, have been prepared and their ,'P-NMR characteristics recorded. The solid state structures of [Ag(lb)Br], [Ag(lb)Cl] and [Ag(lb)ClO,] have been determined by X-ray diffraction. The Ag atom in these complexes shows distorted trigonal geometry. Selected bond lengths and angles are as follows: Ag-P = 2.463(4) A and 2.433(5) A, P-Ag-P = 141.6(2)" in the bromo complex, Ag-P = 2.457(2) A and 2.427(2) A, P-Ag-P = 142.6(1)" in the chloro complex, and Ag-P = 2.394(2) and 2.393(2) A,

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## 42. Transition-Metal Complexes with Bidentate Ligands Spanning trans-Positions. 1X.I) Preparation and 'H-NMR Studies of Complexes [MX, (l)] (diphenylarsinomethyl)benzo[c]phenanthrene) and Crystal and Molecular Structure of [PtCI, (l)] and [M'Cl (CO) (l)] (M = Pd, Pt; M'= R f , Ir; X = C1, Br, I;