作者:Bernhard Neumüller、Frank Weller、Kurt Dehnicke
DOI:10.1002/zaac.200400525
日期:2005.6
Crystal Structure and Vibrational Spectrum of (H2NPPh3)2[SnCl6]·2CH3CN Single crystals of (H2NPPh3)2[SnCl6]·2CH3CN (1) were obtained by oxidative addition of tin(II) chloride with N-chloro-triphenylphosphanimine in acetonitrile in the presence of water. 1 is characterized by IR and Raman spectroscopy as well as by a single crystal structure determination: Space group , Z = 2, lattice dimensions at
(H2NPPh3)2[SnCl6]·2CH3CN 的晶体结构和振动光谱 (H2NPPh3)2[SnCl6]·2CH3CN (1) 的单晶是通过在乙腈中氧化加成氯化锡 (II) 和 N-氯三苯基膦亚胺获得的水的存在。1 的特点是通过红外和拉曼光谱以及单晶结构测定:空间群,Z = 2,193 K 时的晶格尺寸:a = 1029.6(1), b = 1441.0(2), c = 1446.1(2 ) pm, α = 90.91(1)°, β = 92.21(1)°, γ = 92.98(1)°, R1 = 0.0332。图 1 形成了具有 [SnCl6]2- 离子的两个不同位点位置的离子结构。其中一个被四个(H2NPPh3)+离子的四个N-氢原子包围,四个CH3CN分子形成N-H……N≡C-CH3与阳离子的其他四个N-氢原子接触。因此,1 可以写成 [(H2NPPh3)4(CH3CN)4(SnCl6)]2+[SnCl6]2-。