CRYSTAL STRUCTURE OF CERIUM PENTAPHOSPHATE | Zendy

LIN YONQ-HUA | Zendy; Shuzhen Liu | Zendy; Ninghai Hu | Zendy; ZHOU QING-LIAN | Zendy

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CRYSTAL STRUCTURE OF CERIUM PENTAPHOSPHATE

Author(s) -

LIN YONQ-HUA,

Shuzhen Liu,

Ninghai Hu,

ZHOU QING-LIAN

Publication year - 1981

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.30.709

Subject(s) - square antiprism , diffractometer , crystal structure , cerium , crystallography , diffraction , diagonal , atom (system on chip) , materials science , ion , oxygen atom , combinatorics , physics , chemistry , molecule , mathematics , computer science , geometry , optics , embedded system , quantum mechanics , metallurgy

The crystal of cerium pentaphosphate with composition CeP5O14 belongs to monoc-linic system. The lattice parameters are as follows:α=8.797?, b=9.074?, c=13.124?, β=89°36′, Z=4. The space group is C2h5-P21/c. The diffraction data were collected using PW-1100 four-circle diffractometer. The number of independent diffraction data amounts to 2051. The structure is solved by heavy-atom method. Structure parameters were refined by full-matrix and block-diagonal least squares to a final R = 0.097. The result of structure analysis establishes that the structure is built up with discrete anionic ribbons linked by the cations in a complicated way. The polyhedral coordination of slightly distorted square antiprism is formed by eight oxygen atoms surrounding the Ce-cation. The shortest distance between two Ce ions is 5.967?.

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