Synthesis and crystal structure of hexaaquamagnesium hydrogen phosphododecatungstate tetrahydrate [Mg(H2O)6][HPW12O40]·4H2O

Kremenović, Aleksandar; Poleti, Dejan; Ghermani, Nour‐Eddine; Karanović, Ljiljana; Mioč, U.B.; Nedić, Zoran; Biré, Anne Spasojević-de

doi:10.1002/crat.200610778

Cryst. Res. Technol.

2006

DOI: 10.1002/crat.200610778

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Synthesis and crystal structure of hexaaquamagnesium hydrogen phosphododecatungstate tetrahydrate [Mg(H₂O)₆][HPW₁₂O₄₀]·4H₂O

Aleksandar Kremenović¹,

Dejan Poleti²,

Nour‐Eddine Ghermani³

et al.

Abstract: 2+ cations and lattice H 2 O molecules. The calculation of the total potential solvent volume indicated the presence of 4.1 lattice H 2 O lattice molecules per formula unit, which is in agreement with the here presented structural model. The position of one lattice water molecule is well defined, while each of three other molecules is statistically distributed over two locations. Hydrogen bonds involve all coordinated and lattice H 2 O molecules, as well as some oxygen atoms from the Keggin anion.

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Synthesis and Crystal Structure of Hexaaquamagnesium Hydrogen Phosphododecatungstate Tetrahydrate [Mg(H₂O)₆] [HPW₁₂O₄₀]×4H₂O.

et al. 2007

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Structure D 2000 Synthesis and Crystal Structure of Hexaaquamagnesium Hydrogen Phosphododecatungstate Tetrahydrate [Mg(H 2 O) 6 ][HPW 12 O 40 ]·4H 2 O. -Single crystals of the title compound are synthesized by slow evaporation of aqueous solutions containing equimolar quantities of MgCl2 and H3PW12O40 (pH = 1.1). [Mg(H2O)6][HPW12O40]·4H2O crystallizes in the monoclinic space group P21/c with Z = 4. Its structure is composed of [PW12O40] 3-Keggin anions, [Mg(H2O)6] 2+ cations, and lattice water molecules. The zigzag arrangement of the Keggin ions creates irregular channels. -(KREMENOVIC*, A.; POLETI, D.; GHERMANI, N. E.; KARANOVIC, L.; MIOC, U. B.; NEDIC, Z.; SPASOJEVIC-DE BIRE, A.; Cryst.

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Synthesis and Crystal Structure of Hexaaquamagnesium Hydrogen Phosphododecatungstate Tetrahydrate [Mg(H₂O)₆] [HPW₁₂O₄₀]×4H₂O.

et al. 2007

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Structural, morphological and catalytic characterization of neutral Ag salt of 12-tungstophosphoric acid: Influence of preparation conditions

Holclajtner-Antunović

Bajuk–Bogdanović

Popa

et al. 2015

Applied Surface Science

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Investigation of (PO4)/(WO6)3 - Lattice Components of Keggin`s Anion Interaction with Cations in Alkaline-Earth Salts of 12-Tungstophosphoric Acid

Uskoković‐Marković¹,

Colomban

Mioč³

et al. 2007

MSF

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On the basis of previously recorded Raman and IR spectral data on different crystallohydrates of alkaline-earth 12-tungstophosphoric acid salts (obtained from mother solution and those kept under constant relative humidity (RH) of 35%), an effort was made to determine the position of cations in the Keggin unit. Shifts or band splitting in vibrational spectra of the salts, as well as the changes in band intensities were found to be connected to the cation properties. The spectral data also demonstrated a great influence of cation properties on the secondary structure of Keggin anions and dynamics of protonic species.

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Synthesis and crystal structure of hexaaquamagnesium hydrogen phosphododecatungstate tetrahydrate [Mg(H₂O)₆][HPW₁₂O₄₀]·4H₂O

Cited by 3 publications

References 50 publications

Synthesis and Crystal Structure of Hexaaquamagnesium Hydrogen Phosphododecatungstate Tetrahydrate [Mg(H₂O)₆] [HPW₁₂O₄₀]×4H₂O.

Synthesis and Crystal Structure of Hexaaquamagnesium Hydrogen Phosphododecatungstate Tetrahydrate [Mg(H₂O)₆] [HPW₁₂O₄₀]×4H₂O.

Structural, morphological and catalytic characterization of neutral Ag salt of 12-tungstophosphoric acid: Influence of preparation conditions

Investigation of (PO<sub>4</sub>)/(WO<sub>6</sub>)<sub>3</sub> - Lattice Components of Keggin`s Anion Interaction with Cations in Alkaline-Earth Salts of 12-Tungstophosphoric Acid

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Synthesis and crystal structure of hexaaquamagnesium hydrogen phosphododecatungstate tetrahydrate [Mg(H2O)6][HPW12O40]·4H2O

Cited by 3 publications

References 50 publications