Ni[(C_6H_(11)O)_2PS_2]_2与吡啶加合反应平衡常数的测定及加合物的晶体结构

Determination of Equilibrium Constants for the Adductive Reaction of Bis-(O,O'-Dicyclohexyl-Dithiophosphato) Nickel(Ⅱ) with Pyridine and the Crystal Structure of Ni[(C_6H_(11)O)_2PS_2]_2·2Py

用光谱法研究了Ni[(C_6H_(11)O)_2PS_2]_2与吡啶的加合反应,测定了平衡常数,用单晶X射线衍射方法测定了的晶体结构.晶体空间群P_T,晶胞参数为.

Reaction of Ni[(C6H11O)2PS2]2 with pyridine was studied spectrophotometrically and the equilibrium constants was found to be k=15. 4±1. 40(mol/L)-1 and β2 = (1. 43±0. 41)× 103 (mol/L)-2. The crystal structure of Ni[(C6H11O)2PS2]2.2Py was measured by X-ray diffraction method.The crystal belongs to a monoclinic system with the parameters of unit cell a = 8. 438(3)A , b = 14. 885(6) A , c=6. 366(3) A ,a=99. 25(4)°, β=93. 46(4)°, γ=92. 01(3)°,V=787A, Dc= 1. 70 g.cm-3, Z=l, F(0 0 0) = 426e. Space group is P1. R=0. 085.