The reaction between the organopnicogen(III) chlorides R2MCl and RMCl2 [M = Sb, Bi; R = 2-(Me2NCH2)C6H4] and alkali metal pseudohalides in a 1:1 and a 1:2 molar ratio, respectively, resulted in the formation of hypervalent species of type R2MX (M = Sb, X = NCO (1), NCS (2) and SeCN (3), M = Bi, X = NCO (4) and SeCN (5), and RMX2 (M = Sb, X = NCO (6) and NCS (7), M = Bi, X = NCO (8), NCS (9) and SeCN
有机
磷农药
氯化物R 2 MCl和RMCl 2之间的反应[M = Sb,Bi; R = 2-(Me 2 NCH 2)C 6 H 4 ]和碱
金属假卤化物的摩尔比分别为1:1和1:2,导致形成R 2 MX型高价物质(M = Sb ,X = NCO(1),
NCS(2)和SeCN(3),M = Bi,X = NCO(4)和SeCN(5)和RMX 2(M = Sb,X = NCO(6)和
NCS (7),M = Bi,X = NCO(8),
NCS(9)和SeCN(10)。通过多核NMR(适当时为1 H,13 C,77 Se),IR光谱和质谱法对新物种进行了表征。化合物2 – 5和7的分子结构是通过单晶X射线衍射确定的。在所有五个化合物中,悬臂中的氮原子都参与与
金属的分子内配位,因此在2 – 5的情况下会导致扭曲的方形
金字塔配位几何形状(12-M-5高价物种)和扭曲的三角锥体配位几何形状如果是7(10-S