Crystal Structure of the Yttrium‐Ammonium Polyphosphate YNH 4 (PO 3 ) 4 | Zendy

BagieuBeucher M. | Zendy; Guitel J.C. | Zendy

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Crystal Structure of the Yttrium‐Ammonium Polyphosphate YNH 4 (PO 3 ) 4

Author(s) -

BagieuBeucher M.,

Guitel J.C.

Publication year - 1988

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.19885590113

Subject(s) - orthorhombic crystal system , yttrium , crystallography , polyphosphate , crystal structure , crystal (programming language) , ammonium , tetrahedron , chemistry , materials science , phosphate , computer science , organic chemistry , programming language , oxide

Crystal chemistry and structural analysis are described for the yttrium‐ammonium polyphosphate: YNH 4 (PO 3 ) 4 . The orthorhombic unit cell has the dimensions: a = 11.927(9), b = 10.357(8), c = 17.309(15) Å. Space group is C222 1 with Z = 8. Crystal structure has been solved by using 1815 independent reflections with a final R value of 0.037. The unit cell contains two (PO 3 ) ∞ chains related by a 2 1 axis parallel to c. The outstanding features of each chain are the existence of two perpendicular twofold axes and a period of 16 PO 4 tetrahedra. YNH 4 (PO 3 ) 4 provides the first example of a (PO 3 ) ∞ chain with such a large period.

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