Zinc tri-tert-butoxysilanethiolates. Syntheses, properties and crystal and molecular structures of [Zn{μ-SSi(OBut)3}(acac)]2 and [{(ButO)3SiS}(H2O)2Zn{μ-SSi(OBut)3}Zn(acac){SSi(OBut)3}]
摘要:
Heteroleptic, neutral tri-tert-butoxysilanethiolates of zinc, incorporating acetylacetonate (1) or acetylacetonate and a ater (2) as additional ligands, have been prepared by a reaction of zinc acetylacetonate with tri-tert-butoxysilanethiol in acetonitrile and characterized by IR, NMR and MS techniques. Crystal and molecular structures have been determined by single crystal X-ray structural analysis. Both are bimetallic with a distorted tetrahedral ligand arrangement at the zinc and ZnO2S2 core. Complexes 1 and 2 are the first structurally characterized thiolates where the metal is also bonded to acetylacetonate and 2 is the first neutral aqua-ligated zinc thiolate. (C) 2001 Elsevier Science Ltd. All rights reserved.