Synthesis and spectroscopic characterization (IR, 1H and 31P NMR, electrospray ionization mass) of mono-, di-, tetra- and poly-meric complexes of silver(I) with diphosphine ligands: X-ray crystal structures of AgNO2:(Ph2PCH2 PPh2)(1:1)2, AgNO2:(Ph2P(CH2)3PPh2) (1:1)2, AgNO2: (Ph2PCH=CHPPh2) (2:1)2 and AgNO2:{p-tolyl)2P(C10H6)2P(p-tolyl)2} (1:1)

Effendy; John V. Hanna; Fabio Marchetti; Domenico Martini; Claudio Pettinari; Riccardo Pettinari; Brian W. Skelton; Allan H. White

doi:10.1016/j.ica.2003.11.010

Synthesis and spectroscopic characterization (IR, 1H and 31P NMR, electrospray ionization mass) of mono-, di-, tetra- and poly-meric complexes of silver(I) with diphosphine ligands: X-ray crystal structures of AgNO2:(Ph2PCH2 PPh2)(1:1)2, AgNO2:(Ph2P(CH2)3PPh2) (1:1)2, AgNO2: (Ph2PCH=CHPPh2) (2:1)2 and AgNO2:{p-tolyl)2P(C10H6)2P(p-tolyl)2} (1:1)

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Effendy, John V. Hanna, Fabio Marchetti, Domenico Martini, Claudio Pettinari, Riccardo Pettinari, Brian W. Skelton, Allan H. White

2004 Inorganica Chimica Acta Vol. 357 Issue 5 Article Cited by 44 SDG 17SDG 3SDG 9SDG 12

Abstract

Adducts of diphosphine ligands R2P(R′) nPR2 (dppm: R=Ph, R′=CH2, n= 1; dppe: R=Ph, R′=CH2, n=2; dppp: R=Ph, R ′= CH2, n=3; dppb: R=Ph, R′= CH2, n=4; dppf: R=Ph, R′=ferrocenyl, n=1; dppet: R=Ph, R′=CH=CH, n=1; dcpm: R=cy, R′=CH 2, n=1; S-Binap: R=Ph, R′= (S)-(+)-1,1-binaphthyl, n=1, n=2; (R-Tol-Binap: R=p-tolyl; R′=(R)-(+)-1,1-binaphthyl, n=1; (S,S-Diop: R=Ph, R′=(4S,5S-(+)-O-isopropylidene-2-3- dihydroxybutane, n=1) with silver(I) nitrite have been synthesized and characterized both in solution (1H, 31P NMR, ESI MS) and in the solid state (IR, single crystal X-ray structure analysis, 31P NMR). The topologies of the structures in the solid state were found to depend on the nature of the diphosphine and in some cases also on the stoichiometric ratio AgNO2:R2P(R′)nPR 2. The adducts AgNO2:dppm (1:1)2 and AgNO 2:dppp (1:1)2 are dimers, the role of dppm and dppp being to bridge two silver centers with each nitrite O,O′-chelating. The adduct AgNO2:dppet (2:1)2 is tetranuclear, derivative of the chair form, the bidentate ligands bridging central and peripheral silver centers, the nitrite being coordinated through both oxygens, the first unidentate, the second bridging bidentate. R-Tol-Binap forms a mononuclear 1:1 adduct, with the nitrite an O,O′-chelate. © 2003 Elsevier B.V. All rights reserved.

Affiliations

Jurusan Kimia, FMIPA Universitas Negeri Malang, Malang 65145, Jalan Surabaya 6, Indonesia; Department of Chemistry, University of Western Australia, Crawley, WA 6009, Australia; ANSTO NMR Facility, Materials Division, Menai, NSW 2234, Private Mail Bag 1, Australia; Dipartimento di Scienze Chimiche, Univ. degli Studi di Camerino, 62032 Camerino MC, via S. Agostino 1, Italy

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