Polymorphism of lead(II) benzenethiolate: a noncentrosymmetric new allotropic form of Pb(SPh)2

Michel Giffard; Nicolas Mercier; Benoît Gravoueille; Emilie Ripaud; Jerôme Luc; Bouchta Sahraoui

doi:10.1039/B803434F

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Polymorphism of lead(ii) benzenethiolate: a noncentrosymmetric new allotropic form of Pb(SPh)₂†

Michel Giffard,*^a Nicolas Mercier,^a Benoît Gravoueille,^a Emilie Ripaud,^a Jerôme Luc^b and Bouchta Sahraoui^b

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* Corresponding authors

^a Université d'Angers, CNRS, Laboratoire de Chimie et Ingénierie Moléculaire d'Angers, UMR 6200, 2, boulevard Lavoisier, Angers, France
E-mail: michel.giffard@univ-angers.fr
Fax: +33 241735405
Tel: +33 241735404

^b Laboratoire des Propriétés Optiques des Matériaux et Applications, UMR-CNRS 6136, Université d'Angers, 2, boulevard Lavoisier, Angers, France

Abstract

Depending upon its conditions of crystallization, lead(II) benzenethiolate can exist in two forms: a low-temperature centrosymmetric phase α-Pb(SPh)₂ which can be converted by heating into the noncentrosymmetric, 2nd order NLO strongly active and room temperature metastable β-Pb(SPh)₂ phase, thus affording an example of transition towards noncentrosymmetry induced by a rise of temperature.

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Article information

DOI: https://doi.org/10.1039/B803434F
Article type: Communication
Submitted: 28 Feb 2008
Accepted: 16 Apr 2008
First published: 13 May 2008

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CrystEngComm, 2008,10, 968-971

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Polymorphism of lead(II) benzenethiolate: a noncentrosymmetric new allotropic form of Pb(SPh)₂

M. Giffard, N. Mercier, B. Gravoueille, E. Ripaud, J. Luc and B. Sahraoui, CrystEngComm, 2008, 10, 968 DOI: 10.1039/B803434F

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