New polymorph of CaHPO4 (monetite): synthesis and crystal structure


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详细

A novel form of anhydrous dicalcium phosphate CaHPO4 (monetite) is synthesized hydrothermally and characterized by single crystal X-ray diffraction. It crystallizes in the orthorhombic space group Ccm21 with a = 6.242(1) Å, b = 6.994(2) Å, c = 7.003(3) Å, V = 305.73(16) Å3 and it has four independent unit formulas in the unit cell (Z = 4). A three-dimensional crystal structure can be described by {HPO4}n infinite zigzag chains linked by Ca–O bonds. The comparison to the crystal structures of other polymorphs is given.

作者简介

N. Ouerfelli

Laboratoire de Matériaux et Cristallochimie, Faculté des Sciences de Tunis; Université de Tunis Carthage

编辑信件的主要联系方式.
Email: najouerf@yahoo.fr
突尼斯, Tunis; Zarzouna (Bizerte)

M. Zid

Laboratoire de Matériaux et Cristallochimie, Faculté des Sciences de Tunis

Email: najouerf@yahoo.fr
突尼斯, Tunis

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