Abstract:Synthesis, crystal structure, thermal characterization, FTIR and Raman measurements are given for a new mixed compound cesium-ammonium tellurate. X-ray study showed that the [Cs 0.92 (NH 4) 0.08 ] 2 TeCl 4 Br 2 compound crystallizes in the tetragonal space group P4/mnc, with a = 7.452 (1) Å, c = 10.544 (3) Å and Z = 2. The refinement converged at room temperature to R p = 0.093 and R wp = 0.076. The structure is considered as isolated octahedral TeCl 4 Br 2− 2. These anions show a 4 • rotation around the fourf… Show more
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