Crystal structure of KPb2Cl5 and KPb2Br5 |
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| Authors: | A. A. Merkulov L. I. Isaenko V. M. Pashkov V. G. Mazur A. V. Virovets D. Yu. Naumov |
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| Affiliation: | (1) Institute of Mineralogy and Petrography, Siberian Branch, Russian Academy of Sciences, Novosibirsk;(2) A. V. Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk |
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| Abstract: | The KPb2Cl5 and KPb2Br5 crystals are monoclinic (P21/c) with a microtwinned structure. X-ray analysis of chloride resulted in the parameters a = 8.854(2) Å, b = 7.927(2) Å, c = 12.485(3) Å; β = 90.05(3)°, dcalc = 4.78(1) g/cm3 (STOE STADI4, MoKα, 2θmax = 80°), R1 = 0.0702 for 4094 F ≥ 4 σ(F) reflections. For bromide, a = 9.256(2) Å, b = 8.365(2) Å, c = 13.025(3) Å; β = 90.00(3)°, dcalc = 5.62(1) g/cm3 (Bruker P4, MoKα, 2θmax = 70°), R1 = 0.0692 for 3076 F ≥ 4 (F) reflections. |
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| Keywords: | crystal structure X-ray analysis potassium pentachlorodiplumbate potassium pentabromodiplumbate potassium and lead triple halides |
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