VIBRATIONAL STUDY OF DIPOTASSIUM ZINC BIS(DIHYDROGENDIPHOSPHATE) DIHYDRATE, K2ZN(H2P2O7)2•2H2O

被引:5
作者
Khaoulaf, Redouane [1 ]
Ezzaafrani, Mustapha [1 ]
Ennaciri, Abdelaziz [1 ]
Harcharras, Mohammed [1 ]
Capitelli, Francesco [2 ]
机构
[1] Univ Ibn Tofail, Dept Chem, Equipe Spect & Chim Theor, Fac Sci, Kenitra 14000, Morocco
[2] Inst Cristallog IC CNR, I-00015 Rome, Italy
关键词
Bent POP configuration; dihydrogendiphosphates; factor group analysis; infrared spectra; Raman spectra; CRYSTAL-STRUCTURE; RAMAN-SPECTRA; H2O; NI; MN0.5NH4H2P2O7-CENTER-DOT-H2O; PYROPHOSPHATES; DIPHOSPHATES; SPECTROSCOPY; ZN; IR;
D O I
10.1080/10426507.2012.685669
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Infrared and Raman spectra of dipotassium zinc bis(dihydrogendiphosphate) dihydrate, K2Zn(H2P2O7)(2)center dot 2H(2)O have been collected and interpreted using factor group analysis. Noncoincidence of the Raman and infrared spectra bands confirms a centrosymmetric structure for K2Zn(H2P2O7)(2)center dot 2H(2)O previously investigated by X-ray structural study, as well as the joint appearance of nu(as) POP and nu(s) POP point to a bent POP configuration.
引用
收藏
页码:1367 / 1376
页数:10
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