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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Synthesis and single Crystal X-Ray Structure Analysis of Bromodi(isopropenyl)bismuthane
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Synthesis and single Crystal X-Ray Structure Analysis of Bromodi(isopropenyl)bismuthane

机译:溴二(异丙烯基)铋的合成及单晶X射线结构分析

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摘要

Tri(isopropenyl)bismuthane (1) reacts with bromine to form bromodi(isopropenyl)bismuthane (2) and dibromo(isopropenyl)bismuthane (3). The single crystal X-ray structure determination of 2 (monoclinic, P2_1; a = 1058.6(3), b= 1127.0(3), c = 1561.3(4) pm, and #beta# = 109.26(2) deg; Z = 8 molecules; d_c = 2.803 g/cm~3; R = 0.059) shows two crystallographically independent molecules which are connected by Bi-Bi...Bi bridges (Bi-br 282.3(3)) and 284.7(2); Br...Bi 302.9(2) and 303.6(2) pm) forming helical chains directed along the b-axis of the unit cell. Every turn of the helix (360 deg) consists of four molecules and corresponds to the b-axis (1127.0(3) pm).
机译:三(异丙烯基)铋(1)与溴反应形成溴二(异丙烯基)铋(2)和二溴(异丙烯基)铋(3)。单晶X射线结构确定为2(单斜晶,P2_1 / n; a = 1058.6(3),b = 1127.0(3),c = 1561.3(4)pm,和#beta#= 109.26(2)deg; Z = 8个分子; d_c = 2.803g / cm〜3; R = 0.059)显示了两个通过Bi-Bi ... Bi桥(Bi-br 282.3(3))和284.7(2)连接的晶体学独立分子。 Br ... Bi 302.9(2)和303.6(2)pm)形成沿晶胞b轴定向的螺旋链。螺旋线的每转(360度)都由四个分子组成,并且对应于b轴(1127.0(3)pm)。

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