摘要:
使用计算方法和对其紧密类似物1-硼烷金刚烷(2)的两种配合物进行的实验研究,评估了1-borabicyclo [2.2.2]辛烷(1)作为液晶结构元素的适用性。1-吡啶-1-硼烷金刚烷[ 2-P,C 14 H 20 BN,P 2 1 / m,a = 8.4404(13)Å,b = 6.8469(10)Å,c = 10.5269( 16)Å,β= 104.712(3)°,Z = 2],1-奎宁环-1-硼酸金刚烷[ 2-Q,C 16 H 28 BN,P2 1 / n,a = 6.6529(3)Å,b = 10.6665(6)Å,c = 19.3817(10)Å,β= 94.689(3)°,Z = 4]和1-吡啶-三甲基硼烷[ 3 -P,C 8 H 14 BN,C cma,a = 6.9875(10)Å,b = 15.011(2)Å,c = 16.556(2)Å,Z = 8]由X射线晶体学测定并