degrees C. The salt crystallizes from SO(2)ClF as [XeOTeF(5)][Sb(OTeF(5))(6)].SO(2)ClF, and the low-temperature crystal structure was obtained: triclinic, P, a = 9.7665(5) A, b = 9.9799(4) A, c = 18.5088(7) A, alpha = 89.293(2) degrees , beta = 82.726(2) degrees , gamma = 87.433(3) degrees , V = 1787.67(13) A(3), Z = 2, and R(1) = 0.0.0451 at -173 degrees C. Unlike MF(6)(-) in [XeF][MF(6)] (e.g., M = As
Bi)和[XeOTeF(5)] [AsF(6)],Sb(OTeF(5))(6)(-)阴离子的碱性显着降低,并且不与配位不饱和
氙(II)阳离子相互作用。相反,XeOTeF(5)(+)阳离子和弱路易斯碱SO(2)ClF通过SO(2)ClF的
氧原子与
氙的配位相互作用[Xe ... O,2.471(5)A] 。XeOTeF(5)(+)。SO(2)ClF加合物阳离子也已通过低温拉曼光谱法进行了研究,提供了已分配给加成的SO(2)ClF的频率。XeOTeF(5)(+)。SO(2)ClF和Sb(OTeF(5))(6)(-)的固态拉曼光谱已借助电子结构计算进行了分配。除了优化的几何形状和振动频率外,理论数据还包括气相供体-受体键能,自然键轨道(NBO)分析,以及基于电子本地化功能(ELF)的拓扑分析,提供了XeOTeF(5)(+)。SO(2)ClF和相关系统中的键合描述。量子力学计算为XeOTeF(5)(+)中的Xe