二(对氯苄基)锡双吗啉氨荒酸酯和二(对氯苄基)氯化锡N,N-二乙基氨荒酸酯的合成、表征及晶体结构

摘要

利用二(对氯苄基)二氯化锡和吗啉氨荒酸钠、N,N-二乙基氨荒酸钠反应,合成了二(对氯苄基)锡双吗啉氨荒酸酯C24H28Cl2N2O2S4Sn (Mr = 694.31) 1和二(对氯苄基)氯化锡N,N-二乙基氨荒酸酯C19H22Cl3NS2Sn (Mr = 553.54) 2.用X-射线单晶衍射测定了这2个化合物的晶体结构,测试结果表明:化合物1的晶体为单斜晶系,空间群C2/c, a = 21.998(9), b = 6.469(3), c = 20.204(8) A,β= 94.444(6)o , Z = 4, V = 2866.3(19) A3, Dc = 1.609 g/cm3, μ(MoKα) = 1.394 mm-1, F(000) = 1400,S = 0.955, (Δ/σ)max = 0.000,R = 0.0389, wR = 0.0817.化合物2的晶体为单斜晶系,空间群P21/c, a = 13.088(10), b = 9.304(7), c = 19.593(14) A,β = 107.158(10)o, Z = 4, V = 2280(3) A3, Dc = 1.613 g/cm3,μ(MoKα) = 1.660 mm-1, F(000) = 1104,S = 1.010, (Δ/σ)max = 0.001,R = 0.0290, wR = 0.0651.在化合物1中,锡原子呈六配位畸变八面体构型, 化合物2的锡原子则是五配位畸变三角双锥构型.