作者:M. Imachi、R.L. Kuczkowski
DOI:10.1016/0022-2860(82)90057-6
日期:——
Abstract The r s and r o structural parameters have been determined for propylene oxide from rotational constants for 16 isotopic species. The heavy-atom ( r o ) parameters are : r (C 1 C 2 ) = 1.470(3), r (C 2 C 3 ) = 1.505(2), r (C 1 O) = 1.441(2), r (C 2 O) = 1.435(3) A, ∠ OC 2 C 2 = 59.1(2), ∠OC 2 C 1 = 59.4(1), ∠C 1 OC 2 = 61.5(2), ∠C 1 C 2 C 3 = 121.7(2), ∠C 2 C 3 = 116.1(2)°. The methyl group
摘要 已根据 16 种同位素的旋转常数确定了环氧丙烷的 rs 和 ro 结构参数。重原子 ( ro ) 参数为: r (C 1 C 2 ) = 1.470(3), r (C 2 C 3 ) = 1.505(2), r (C 1 O) = 1.441(2), r ( C 2 O) = 1.435(3) A, ∠ OC 2 C 2 = 59.1(2), ∠OC 2 C 1 = 59.4(1), ∠C 1 OC 2 = 61.5(2), ∠C 1 C 2 C 3 = 121.7(2), ∠C 2 C 3 = 116.1(2)°。与环的甲基扭转角为:τ(C 1 C 2 C 3 H 9 ) = 24.7(8) 和 τ(OC 2 C 3 H 9 ) = -44.0°(5)。这些参数与环氧乙烷的类似结果非常一致。