阳离子—π相互作用:[K(18C6)][BPh_4]的合成与晶体结构

Cation-TT Interactions:Synthesis and Crytal Structure of [K(18C6)][BPh_4]

合成了冠醚配合物:[K(18C6)][BPh_4],通过元素分析、红外光谱、单晶X-射线衍射对配合物结构进行了表征,该配合物为单斜晶系,空间群P2(1)/n,晶体学数据:α=1.454 8(4)nm,b=1.395 6(4)nm,c=1.749 7(6)nm,β=111.254(5)°,V-3.311 0(18)nm^3,Z=4,F(000)=1 328,R_1=0.079 7,ωR_2=0.204 7.配阳离子[K(18C6)]^+中的K^+与[BPh_4]^-中的其中一个苯环存在K^+-π相互作用.

The novel crown ether complex-[K(18C6)][BPh4],has been synthesized and charactered by elemental analysis,IR spectrum,X-ray diffraction analysis. The complex belongs to monoclinic system and space group P2(1)/n. The crystal data of unit call dimensions -a = 1. 454 8(4) nm,6 = l. 395 6(4) nm,c = l. 749 7(6) nm,B=111. 254(5),V = 3. 311 0(18) nm3,Z = 4,F(000) = l 328,R1= 0. 079 7,wR2 = 0. 204 7. In the complex [K(18C6)][BPh4],complex anion [BPh4]- is tertrahedron configuration,K+ ion of complex cation [K(18C6)]+ is coordinated by the phenyl ring of [BPh4]-. The complex exist K+-x interactions.