Chalcogenide chemistry in ionic liquids: nonlinear optical wave-mixing properties of the double-cubane compound [Sb7S8Br2](AlCl4)3

Qichun Zhang; In Chung; Joon I Jang; John B Ketterson; Mercouri G Kanatzidis

doi:10.1021/ja903881m

Chalcogenide chemistry in ionic liquids: nonlinear optical wave-mixing properties of the double-cubane compound [Sb7S8Br2](AlCl4)3

J Am Chem Soc. 2009 Jul 29;131(29):9896-7. doi: 10.1021/ja903881m.

Authors

Qichun Zhang¹, In Chung, Joon I Jang, John B Ketterson, Mercouri G Kanatzidis

Affiliation

¹ Department of Chemistry, Northwestern University, Evanston, Illinois 60208, USA.

PMID: 19580274
DOI: 10.1021/ja903881m

Abstract

The new cation [Sb(7)S(8)Br(2)](3+) has a double-cubane structure and forms as the [AlCl(4)](-) salt from the ionic liquid EMIMBr-AlCl(3) (EMIM = 1-ethyl-3-methylimidazolium) at 165 degrees C. The compound is noncentrosymmetric with space group P2(1)2(1)2(1) and exhibits second-harmonic and difference-frequency nonlinear optical response across a wide range of the visible and near-infrared regions.