Vibrational Study, Reinvestigation of the Crystal Structure of MgHPO<sub>4</sub>.3H<sub>2</sub>O and Calculated IR Frequencies for the PO<sub>4</sub><sup>3-</sup> by Isotopic Substitutions
<p dir="ltr">The monohydrogenomonophosphatetrihydrate of magnesium MgHPO<sub>4</sub>.3H<sub>2</sub>O was reinvestigated by X-ray diffraction, vibrational spectroscopy, nuclear magnetic resonance and calculation of the IR frequencies by using isotopic substitut...
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2021
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| Summary: | <p dir="ltr">The monohydrogenomonophosphatetrihydrate of magnesium MgHPO<sub>4</sub>.3H<sub>2</sub>O was reinvestigated by X-ray diffraction, vibrational spectroscopy, nuclear magnetic resonance and calculation of the IR frequencies by using isotopic substitutions. MgHPO<sub>4</sub>.3H<sub>2</sub>O is orthorhombic, space group Pbca with the following unit-cell parameters: a = 10.0133(2) Å, b= 10.2136(1) Å, c =10.6853(2) Å, Z = 8 and V = 1092.81(3) Å3. Raman and infrared spectra of MgHPO<sub>4</sub>.3H<sub>2</sub>O have been recorded and interpreted on the basis of factor group analysis. The occurrence of the four frequencies ν1, v2, v3, v4 in the vibrational spectra confirms the existence of the PO<sub>4</sub><sup>3</sup><sup>-</sup><sup> </sup>tetrahedron.</p><h2>Other Information</h2><p dir="ltr">Published in: Biointerface Research in Applied Chemistry<br>License: <a href="https://creativecommons.org/licenses/by/4.0" target="_blank">https://creativecommons.org/licenses/by/4.0</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.33263/briac123.41404154" target="_blank">https://dx.doi.org/10.33263/briac123.41404154</a></p> |
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