Crystal structure of NaCd(H2PO3)3·H2O and spectroscopic study of NaM(H2PO3)3·H2O, M= Mn, Co, Ni, Zn, Mg and Cd
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Altres documents de l'autoria: Ouarsal, Rachid; LACHKAR, Mohammed; Dusek, Michal; Barrachina Albert, Ester; Carda Castelló, Juan Bautista; El Bali, Brahim
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Crystal structure of NaCd(H2PO3)3·H2O and spectroscopic study of NaM(H2PO3)3·H2O, M= Mn, Co, Ni, Zn, Mg and CdAutoria
Data de publicació
2016-01-11xmlui.dri2xhtml.METS-1.0.item-edition
Versió pre-printEditor
Copyright © 2016 Elsevier Ltd. All rights reserved.ISSN
1873-3719Cita bibliogràfica
OUARSAL, Rachid, et al. Crystal structure of NaCd (H 2 PO 3) 3· H 2 O and spectroscopic study of NaM (H 2 PO 3) 3· H 2 O, M= Mn, Co, Ni, Zn, Mg and Cd. Polyhedron, 2016Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
http://www.sciencedirect.com/science/article/pii/S0277538716000103Paraules clau / Matèries
Resum
NaCd(H2PO3)3·H2O was synthesized in solution and its structure was studied by single-crystal X-ray diffraction. It crystallizes in the orthorhombic system (Pbca, Z = 8) with the cell parameters: a = 9.2895(14) Å, b = ... [+]
NaCd(H2PO3)3·H2O was synthesized in solution and its structure was studied by single-crystal X-ray diffraction. It crystallizes in the orthorhombic system (Pbca, Z = 8) with the cell parameters: a = 9.2895(14) Å, b = 15.124(2) Å, c = 15.0592(12) Å. Final residual factors R/Rw are 0.0297/0.0790. Both Na+ and Cd2+ are octahedrally coordinated, [NaO6] and [CdO6] share edges to form zigzag chains along [1 0 0]. The 3D framework is build upon these chains which are interconnected by H2PO3 pseudo-pyramids and an intricate network of weak hydrogen bonds. NaCd(H2PO3)3·H2O belongs the series of isostructural phosphites NaM(H2PO3)3·H2O (M = Mn, Co, Ni, Zn and Mg). IR spectroscopic studies show the bands confirming the presence of the phosphite H2PO32− anion in the whole series NaM(H2PO3)3·H2O, M = Mn, Co, Ni, Zn, Mg and Cd. The UV–Vis spectroscopy was used for characterizing the d–d transitions in the Mn, Co and Ni phosphites. [-]
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Polyhedron, Volume 106, 26 February 2016, Pages 132–137Drets d'accés
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