Solid‐state NMR study of [(Ph₃SnF)₂(Ph₃SnO₂PPh₂)], a novel coordination polymer prepared from Bu₄N[Ph₃SnF₂] and [Ph₃SnOPPh₂OSnPh₃](O₃SCF₃)

Abstract

The coordination polymer [(Ph3SnF)2(Ph3SnO2PPh2)] (3), prepared by the reaction of [Ph3SnOPPh2OSnPh3](O3SCF3) (4) with Bu4N[Ph3SnF2] (5), was investigated by multinuclear magic angle spinning magnetic resonance spectroscopy and the results compared with those of the polymeric parent compounds Ph3SnF (1) and Ph3SnO2PPh2 (2). The crystal structure of 4 was determined by X‐ray crystallography. Copyright © 2004 John Wiley & Sons, Ltd.

Hypercoordinated organotin triflates

“…7 119 Sn, 31 P and 19 F MAS NMR spectroscopy, which suggest a sequential arrangement of the fluorine atoms and diphenylphosphinate groups rather than a random structure. 37 In summary, a number of organotin triflates featuring hypercoordinated tin atoms has been prepared and structurally characterized. In the solid state, the triflate groups are either weakly coordinated to the tin atoms (ion pairing) or associated with water molecules or hydroxy groups via hydrogen bonding.…”

Oligomethylene-Bridged Dinuclear Triorganotin Triflates and Diphenylphosphinates. Ion Pairing in the Solid State and Electrolytic Dissociation in Solution of [Ph2Sn(CH2)nSnPh2X](O3SCF3) (X = OH, O2PPh2; n = 1−3)

“…The limited number of signals suggests that the bulk material of compounds 10 − 12 is homogeneous and presumably consists of only one oligomeric form. In contrast, 119 Sn and 31 P MAS NMR spectroscopy of Ph 3 SnO 2 PPh 2 , also prepared by the condensation of Ph 3 SnOH with HO 2 PPh 2 , reveals several signals that are indicative of magnetically inequivalent Sn and P sites, which presumably arise from the presence of different oligomeric or crystalline forms . The observation that the structures of 12 and cyclo-[Me 3 SnOPPh 2 O] 4 have only a small void within their structures suggests that a 16-membered ring for Ph 3 SnO 2 PPh 2 is not feasible on steric grounds .…”