Journal
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE
Volume 69, Issue -, Pages I72-+Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S1600536813026433
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Funding
- Basic Science Research Program through the National Research Foundation of Korea - Ministry of Education, Science and Technology [2011-0011309]
- National Research Foundation of Korea [2011-0011309] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The monoclinic form of trilithium dichromium(III) tris(orthophosphate), Li3Cr2(PO4)3, was prepared by the reactive halide flux method. The structure of the title compound is composed of a three-dimensional anionic framework with composition [Cr-2(PO4)(3)](3-) and Li+ ions situated in the empty channels. The rigid framework built up from CrO6 octahedra and PO4 tetrahedra is the same as that found in other monoclinic Li3M2(PO4)(3) (M = Fe, Sc, V) phases. The three Li+ cations of Li3Cr2(PO4)(3) are unequally disordered over six crystallographically different sites. The classical charge balance of the title compound can be represented as [Li+](3)[Cr3+](2)[P5+](3)[O2-](12). Solid-state UV/Vis spectra indicate that the crystal filed splitting (Delta(0)) of the Cr3+ ion is around 2.22 eV.
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