The solid-state structures of co-crystals of chalcogenadiazoles(ChDAs)with planar half-lantern Pt_(2)^(Ⅱ) and mononuclear Pt^(Ⅱ)complexes exhibit short Ch…Pt^(Ⅱ)(Ch=Se,Te)contacts that occur between a metal site a...The solid-state structures of co-crystals of chalcogenadiazoles(ChDAs)with planar half-lantern Pt_(2)^(Ⅱ) and mononuclear Pt^(Ⅱ)complexes exhibit short Ch…Pt^(Ⅱ)(Ch=Se,Te)contacts that occur between a metal site and the ChDA.The structures demonstrate a unique geometric feature whereby the two deepσ-holes of ChDA are turned away from a d_(z^(2))-nucleophilic PtII site.展开更多
基金support of the Russian Science Foundation(project 21-73-00056)is gratefully acknowledged.Physicochemical studies were performed at the Center for Magnetic Resonance,Center for X-ray Diffraction Studies and Center for Chemical Analysis and Materials Research,while theoretical calculations were performed at the Computational Center(all belonging to Saint Petersburg State University)M.L.K.thanks the Fundação para a Ciência e a Tecnologia(FCT),Portugal,projects UIDB/00100/2020 and UIDP/00100/2020 of Centro de Química Estrutural and LA/P/0056/2020 of the Institute of Molecular Sciences for putting facilities at his disposal.The authors express their gratitude to Dr A.V.Rozhkov for his kind assistance with glove-box manipulations.
文摘The solid-state structures of co-crystals of chalcogenadiazoles(ChDAs)with planar half-lantern Pt_(2)^(Ⅱ) and mononuclear Pt^(Ⅱ)complexes exhibit short Ch…Pt^(Ⅱ)(Ch=Se,Te)contacts that occur between a metal site and the ChDA.The structures demonstrate a unique geometric feature whereby the two deepσ-holes of ChDA are turned away from a d_(z^(2))-nucleophilic PtII site.