Dialkyldithiocarbamate （R<sub>2</sub>NCS<sup>-</sup><sub>2</sub>） acting as either bridging or terminal ligand plays an important role in modern coordination chemistry. The molecu...Dialkyldithiocarbamate （R<sub>2</sub>NCS<sup>-</sup><sub>2</sub>） acting as either bridging or terminal ligand plays an important role in modern coordination chemistry. The molecules of the univalent coinage metals （Cu, Ag, and Au） with dialkyldithiocarbamate ligands form a class of compounds in which the sterical restriction influences strongly the crystal structures, and several types of polymerizates were found. However, only a few structures in linear form展开更多
This paper presents a versatile method for synthesizing electron-rich polynuclear transition metal clusters with chalcogen bridges and phosphine ligands.The reactions of transition metal complexes(R3P)2MX2(M=Co,Ni;R=P...This paper presents a versatile method for synthesizing electron-rich polynuclear transition metal clusters with chalcogen bridges and phosphine ligands.The reactions of transition metal complexes(R3P)2MX2(M=Co,Ni;R=Ph,Bu,Et;X=Cl,Br) with bridging reagents Na2Ex (E=S,Se;x=1.2) are described.The geometric and electronic structures of a series of polynuclear transition metal clusters with trianglar M3 units are also discussed.展开更多
基金Project supported by the National Natural Science Foundation of China.
文摘Dialkyldithiocarbamate （R<sub>2</sub>NCS<sup>-</sup><sub>2</sub>） acting as either bridging or terminal ligand plays an important role in modern coordination chemistry. The molecules of the univalent coinage metals （Cu, Ag, and Au） with dialkyldithiocarbamate ligands form a class of compounds in which the sterical restriction influences strongly the crystal structures, and several types of polymerizates were found. However, only a few structures in linear form
文摘This paper presents a versatile method for synthesizing electron-rich polynuclear transition metal clusters with chalcogen bridges and phosphine ligands.The reactions of transition metal complexes(R3P)2MX2(M=Co,Ni;R=Ph,Bu,Et;X=Cl,Br) with bridging reagents Na2Ex (E=S,Se;x=1.2) are described.The geometric and electronic structures of a series of polynuclear transition metal clusters with trianglar M3 units are also discussed.
