Vibrational Study, Reinvestigation of the Crystal Structure of MgHPO4•3H2O and Calculated IR Frequencies for the PO43- by Isotopic Substitutions

被引：3

作者：

Belhabra, Mustapha ^{[1
]}

Zerraf, Soufiane ^{[1
]}

Kheireddine, Aziz ^{[3
]}

Fahim, Ismail ^{[1
]}

Tridane, Malika ^{[1
,2
]}

Abouimrane, Ali ^{[3
]}

Belaaouad, Said ^{[1
]}

机构：

[1] Hassan II Univ Casablanca, FSBM, Lab Phys Chem Mat, Casablanca, Morocco

[2] Casablanca Anfa Reg Ctr Educ & Training Profess, Bd BirAnzarane, Casablanca, Morocco

[3] Qatar Environm & Energy Res Inst, POB 34110, Doha, Qatar

来源：

BIOINTERFACE RESEARCH IN APPLIED CHEMISTRY | 2022年 / 12卷 / 03期

关键词：

structural reinvestigation; Infrared; Raman; Nuclear Magnetic Resonance; isotopic substitution; calculated infrared frequencies; CHEMICAL PREPARATION; NEWBERYITE; ACID;

D O I：

10.33263/BRIAC123.41404154

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The monohydrogenomonophosphatetrihydrate of magnesium MgHPO(4 center dot)3H(2)O was reinvestigated by X-ray diffraction, vibrational spectroscopy, nuclear magnetic resonance and calculation of the IR frequencies by using isotopic substitutions. MgHPO(4 center dot)3H(2)O is orthorhombic, space group Pbca with the following unit-cell parameters: a = 10.0133(2) angstrom, b = 10.2136(1) angstrom, c = 10.6853(2) angstrom, Z = 8 and V = 1092.81(3) angstrom(3). Raman and infrared spectra of MgHPO(4 center dot)3H(2)O have been recorded and interpreted on the basis of factor group analysis. The occurrence of the four frequencies nu 1, v2, v3, v4 in the vibrational spectra confirms the existence of the PO43- tetrahedron.

引用

页码：4140 / 4154

页数：15

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