Solid State Synthesis, Structure and Optical Limiting Properties of Seleno Cuboidal Clusters [M<SUB>3</SUB>Se<SUB>4</SUB>X<SUB>3</SUB>(diphosphine)<SUB>3</SUB>]<SUP>+</SUP>(M=Mo,W,X=Cl, Br)

Abstract

The trinuclear complexes [M3(μ3-Se)(μ-Se)3X3(dppe) 3]PF6 [M=Mo, X=Cl (1), Br (2); M=W, X=Br (3)] have been prepared by both solid state and solution syntheses. A structural study of 1 confirms the presence of an incomplete cuboidal Mo3Se4 core. The elec