Synthesis, structure, and characterization of a new one-dimensional tellurite phosphate, Ba2TeO(PO4)2
作者： Kang Min Ok , P. Shiv Halasyamani
DOI: 10.1016/J.JSSC.2006.01.045
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摘要: Abstract A new one-dimensional tellurite phosphate, Ba2TeO(PO4)2 has been synthesized by standard solid-state reaction techniques using BaCO3, TeO2, and (NH4)H2PO4 as reagents. The structure of was determined single-crystal X-ray diffraction. crystallizes in the triclinic space group P-1 (No. 2), with a = 6.9461 ( 16 ) , b 7.3970 17 c 8.887 2 α 76.843 4 ° β 79.933 γ 75.688 V 427.40 3 Z . novel chain that is composed PO4 tetrahedra TeO5 polyhedra. Te4+ cations are asymmetric coordination environments attributable to their lone pairs. pairs on point [100] [−100] direction interact Ba2+ cations. Infrared, Raman, UV–Vis diffuse reflectance spectroscopy, thermogravimetric analysis, dipole moment calculations also presented.
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