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First Structural Characterization of Binary As~(III) and Sb~(III) Azides

机译:二元As〜(III)和Sb〜(III)叠氮化物的第一结构表征

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The highly explosive molecules As(N_3)_3 and Sb(N_3)_3 were obtained in pure form by the reactions of the corresponding fluorides with (CH_3)_3SiN_3 in SO_2 and purification by sublimation.The crystal structures and ~(14)N NMR,infrared,and Raman spectra were determined,and the results compared to ab initio second-order perturbation theory calculations.Whereas Sb(N_3)_3 possesses a propeller-shaped,pyramidal structural with perfect C_3 symmetry,the As(N_3)_3 molecule is significantly distorted from C_3 symmetry due to crystal packing effects.
机译:通过在SO_2中使相应的氟化物与(CH_3)_3SiN_3反应并通过升华纯化,以纯净形式获得高爆炸性分子As(N_3)_3和Sb(N_3)_3。晶体结构和〜(14)N NMR,确定了红外光谱和拉曼光谱,并将结果与​​从头算二阶微扰理论计算进行了比较。Sb(N_3)_3具有螺旋形的金字塔结构,具有完美的C_3对称性,As(N_3)_3分子由于晶体堆积效应而偏离C_3对称性。

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