K 3[Fe 3.26V 0.74(OH)O(PO 4) 4(H 2O) 2]·2H 2O: A synthetic leucophosphite

C. Silva-Galaz, M. Saldias, M. T. Garland, A. Vega, V. Paredes-García, E. Spodine, D. Venegas-Yazigi

Resultado de la investigación: Contribución a una revistaArtículo

1 Cita (Scopus)

Resumen

A new iron(III)/vanadium(III) phosphate, K3[Fe3.2 6V0.74(OH)O(PO4)4(H 2O)2]·2H2O (1), has been obtained by hydrothermal synthesis and characterized by single crystal X-ray diffraction, Scanning electron microscopy-energy dispersive X-ray spectroscopy, Inductively coupled plasma atomic emission spectroscopy (ICP), thermogravimetric analysis, and FTIR spectroscopy. Single crystal X-ray diffraction reveals a 3D open framework (monoclinic, space group P21/n, a = 9.6391(7) Å, b = 9.8063(7) Å, c = 9.7268(7) Å, β = 100.71(1)°, and V = 903.38(11) Å3). This structure presents FeIII and VIII in a 4.4: 1 M ratio with the metal ions in two different crystallographic sites. Both metallic centers have distorted octahedral environments, linked by PO4 tetrahedra, forming channels along the a-axis. The asymmetric unit of K3[Fe3.26V0.7 4(OH)O(PO4)4(H2O) 2]·2H2O presents a {M4(OH)O(PO 4)4(H2O)2}3- anionic entity, charge balanced by three K+, which are located within the channels. It is also possible to distinguish M4O2 units whose MIII polyhedra are linked by vertex and edges.

Idioma originalInglés
Páginas (desde-hasta)1830-1836
Número de páginas7
PublicaciónJournal of Coordination Chemistry
Volumen66
N.º10
DOI
EstadoPublicada - 1 may 2013

Áreas temáticas de ASJC Scopus

  • Química física y teórica
  • Química de los materiales

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