Mixed-Ligand Coordination Compounds CdL{(i-C4H9)2PS2}2(L = Phen, 2,2"-Bipy,and 4,4"-Bipy): Synthesis,Structure, and Thermal Properties. Polymeric Structure of [Cd(4,4"-Bipy){(i-C4H9)2PS2}2]n

Volatile mixed-ligand compounds of Cd(i-Bu₂PS₂)₂with Phen, 2,2"-Bipy, and 4,4"-Bipy were synthesized. Their single crystals were grown. X-ray diffraction data (a CAD4 diffractometer, MoK radiation, 2140 F _hkl, R=0.0251) were used to determine the structure of Cd(4,4"-Bipy)(i-Bu₂PS₂)₂]. The crystals are mono-clinic: a= 14.678(3) Å, b= 11.866(2) Å, c= 19.655(4) Å, = 102.17(3)°, V= 3346(1) ų, Z= 4, _calcd= 1.364 g/cm³, space group C2/c. The structure is built from linear polymeric chains arranged along the 010] direction. The coordination polyhedron of the Cd atom is a distorted octahedron (4S + 2N). The thermal properties of these compounds, studied both in air and in vacuo, allow one to use them for preparing CdS films by chemical precipitation from the gas phase.