Affiliation:
1. Institut für Allgemeine, Anorganische und Theoretische Chemie, Leopold-Franzens-Universität Innsbruck, Innrain 80–82, A-6020 Innsbruck, Austria
Abstract
Abstract
A new centrosymmetric modification of the lead borate (Pb4O)Pb2B6O14 has been obtained as a side phase through a facile hydrothermal reaction from Pb(BO2)2·H2O, H2O, and KOH as starting materials. The compound (Pb4O)Pb2B6O14-II crystallizes in the space group P1̅ (no. 2) with the lattice parameters a=695.9(3), b=778.0(3), c=1408.3(3) pm, α=97.35(1)°, β=100.39(1)°, and γ=103.02(1)°. The structure consists of anti-parallel arranged B6O14 chains and isolated oxygen-centered OPb4 tetrahedra. The compound Pb6B12O21(OH)6 constitutes the major phase of the synthesis, as verified through a Rietveld analysis. The characterization of (Pb4O)Pb2B6O14-II is based on a Rietveld analysis, single-crystal X-ray diffraction data, and FT-IR spectroscopy.
Cited by
3 articles.
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