Preparation, X-ray structure, and spectroscopic characterization of 1,5-Se2S2N4

被引：20

作者：

Maaninen, A

Laitinen, RS

Chivers, T

Pakkanen, TA

机构：

[1] Univ Oulu, Dept Chem, FIN-90570 Oulu, Finland

[2] Univ Calgary, Dept Chem, Calgary, AB T2N 1N4, Canada

[3] Univ Joensuu, Dept Chem, FIN-80101 Joensuu, Finland

来源：

INORGANIC CHEMISTRY | 1999年 / 38卷 / 15期

关键词：

D O I：

10.1021/ic990179i

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reaction of [(Me3Si)(2)N](2)S with equimolar amounts of SCl2 and SO2Cl2 produces S4N4 in a good yield. The new chalcogen nitride 1,5-Se2S2N4 has been prepared in high yield by two different reactions: (a) from [(Me3Si)(2)N](2)S and SeCl4 and (b) from [(Me3Si)(2)N](2)Se with equimolar amounts of SCl2 and SO2Cl2. 1,5-Se2S2N4 has a cage structure similar to those of S4N4 and Se4N4. The crystal structure is disordered with site occupation factors ca. 50% for selenium in each chalcogen atom position. The 12 eV EI mass spectrum shows Se2SN2+ as the fragment with highest mass. Both the N-14 and Se-77 NMR spectra show a single resonance (-238 and 1418 ppm, respectively). These data rule out the possibility that the crystalline sample is a solid solution of S4N4 and Se4N4 and imply the presence of 1,5-Se2S2N4. This deduction was further verified by Raman spectroscopy and vibrational analysis.

引用

页码：3450 / 3454

页数：5

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