Results
Title

Systematic Access of Ternary Organotetrel‐Copper Chalcogenide Clusters by [PhTE<sub>3</sub>]<sup>3−</sup> Anions (T=Si, Sn; E=S, Se).

Authors

Rinn, Niklas; Guggolz, Lukas; Hou, Han Yu; Dehnen, Stefanie

Abstract

Fragmentation reactions of organotetrel chalcogenide heteroadamantane‐type clusters [(PhT)4E6] (T/E=Si/S (1); Si/Se; Sn/S, and Sn/Se) by addition of the corresponding sodium chalcogenide gave salts of the general formula Na3[PhTE3], with T/E=Si/S (2); Si/Se (3); Sn/S (A); Sn/Se (4). Reaction of these salts with [Cu(PPh3)3Cl] gave a series of organotetrel–copper chalcogenide clusters [(CuPPh3)6(PhTE3)2] with T/E=Si/S; (5), Si/Se (6), Sn/S (7) and Sn/Se (8). Compounds 5–8 share a common structural motif with two intact {PhTE3} units coordinating a Cu6 moiety, which was previously reported with other ligands, and for the Sn and Ge congeners only. If the Sn/Se reaction system was allowed to crystallize more slowly, single crystals of compound [(CuPPh3)6(PhSnSe3)3Cu3SnSe] (9) were obtained, which are based on a larger cluster structure. Hence, 9 might form from 8 through incorporation of additional cluster fragments. The experimentally and quantum chemically determined optical properties were compared to related clusters.

Subjects

CHALCOGENIDES; FRAGMENTATION reactions; SINGLE crystals; ANIONS; OPTICAL properties; COPPER-tin alloys; TIN

Publication

Chemistry - A European Journal, 2021, Vol 27, Issue 43, p11167

ISSN

0947-6539

Publication type

Academic Journal

DOI

10.1002/chem.202101139