Indium-doped gallophosphate NH4[NiGa1.84In0.16(PO4)3(H2O)2]: synthesis, X-ray crystal structure and IR spectroscopy
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Francesco Capitelli
Abstract
NH4[NiGa1.84In0.16(PO4)3(H2O)2] orthophos phate was prepared through hydrothermal synthesis and analyzed by means of single crystal X-ray diffractometry. It was solved within C2/c monoclinic space group; a = 13.2483(8) Å, b = 10.2468(8) Å, c = 8.9033(7) Å, β = 108.637(1)°, V = 1145.27(15) Å3. Phosphorous atoms display tetrahedral arrangement, occupying two distinct sites; Ni atoms form NiO4(OH2)2 distorted octahedra, while Ga and In atoms share the same site forming (Ga,In)O5 units with trigonal bipyramidal geometry. (Ga,In)O5, NiO4(OH2)2 and PO4 units are linked together through edge- and vertex-sharing arrangements, making up the three-dimensional framework, completed by (NH4)+ counter-ions. Strong O—H…O and N—H…O hydrogen bonds contribute to stabilize the array: O—H…O interactions were also investigated by means of Libowitzky formula (Libowitzky, 1999) application, owing to the results of IR spectroscopy.
© by Oldenbourg Wissenschaftsverlag, Bari, Germany
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Articles in the same Issue
- Indium-doped gallophosphate NH4[NiGa1.84In0.16(PO4)3(H2O)2]: synthesis, X-ray crystal structure and IR spectroscopy
- The phase transition to the low-temperature form of (D5O2)[SbCl6] and determination of the deuterium positions
- Half antiperovskites: V. Systematics in ordering and group-subgroup-relations for Pb2Pd3Se2, Bi2Pd3Se2, and Bi2Pd3S2
- X-ray powder diffraction, solid-state NMR and dispersion-corrected DFT calculations to investigate the solid state structure of 2-ammonio-5-chloro-4-methylbenzenesulfonate
- Mixed salts of amino acids: Syntheses, crystal structure and vibrational spectra of L-histidinium(2+) · NO3 · ClO4 and L-histidinium(2+) · NO3 · BF4
- Synthesis, X-ray analysis and DFT study of 2-amino-3-(N-oxipiridin-4-ilsulfanil)-propionic acid dihydrate
- Discussion of unusual hydrogen atom display in solid acids
