Synthesis, characterization and behaviour in solution of organotin complexes based on azole ligands. Single crystal X-ray study of dichlorodimethylbis(1,2,3-benzotriazole)tin(IV)

C. Di Nicola, F. Marchetti, C. Pettinari, Brian Skelton, Allan White

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Nine new organotin complexes, namely [SnR2XY(BtzH)(2)] (1: R=Me, X = Y = Cl, 2: R = Me, X = Y = Br, 3: R = Bu-n, X = Cl, Y = OH; 4: R = Ph, X = Y = Cl; Sa: R=Me, X = Y = NO3; 5b: R = Me, X = Y = ClO4) and [SnR2X2(5-NO(2)indH)(2)] (6: R = Me, X = Cl; 7: R = Bu-n, X = Cl; 8: R = Me, X = 5-NO(2)ind) were obtained by reaction of SnR2X2 with BtzH (1,2,3-benzotriazole) and 5-NO(2)indH (5-nitroindazole). These compounds were characterized by IR. NMR and ESI MS, and 1 is shown by a single crystal X-ray study to comprise mononuclear centrosymmetric molecules, all pairs of ligands being mutually opposed in a quasi-octahedral coordination sphere. Sn-Cl, C, N are 2.5700(5), 2.108(2), 2.357(2)angstrom. A new triclinic (P (1) over bar) polymorph of the binuclear [{(Bu2ClSn)-Bu-t(mu-OH)}(2)], 9 is also described (cf. the earlier monoclinic (P2(1)/c)). The unit cell contents comprise a pair of centrosymmetric dimers: Sn-O are 2.042(4)-2.215(4), Sn-Cl 2.489(2), 2.491(2), Sn-C 2.166(6)-2.203(7) A, O-Sn-O 68.4(2) (x2), and Sn-O-Sn 111.6(2)degrees (x2). (C) 2010 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)133-136
JournalInorganic Chemistry Communications
Volume14
DOIs
Publication statusPublished - 2011

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