Über Oxoplumbate(IV). Die Kristallstruktur von TT-Li2PbO3 [1] .On Oxoplumbates(IV) The Crystal Structure of LT-Li2PbO3 [1]
Open Access
- 1 November 1982
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 37 (11) , 1369-1374
- https://doi.org/10.1515/znb-1982-1102
Abstract
For the first time single crystals of LT-Li2PbO3 have been prepared by decomposition of K2Li6[Pb2O8] [Incompletely closed Ag cylinders, sealed in Supremax-glass ampoule, vacuum, 690 °C, 100 d]. The structure determination [533Io(hkl); four-circle-diffractometer PW 1100, ω - scan, Mo - Kα, R = 4,86%, Rw = 4,93% confirms space group C2/c with a = 544.52(7), b = 926.12(7), c = 547,56(8) pm, β = 111.216(13)°, Z = 4, drö = 6.94 g · cm-3, dpyk = 6.89 g · cm-3. The NaCl-type structure variant is characterized by alternating layers of Li(2)+ and Li(l)+/Pb4+ cations. All atoms have octahedral coordination. The Madelung Part of Lattice Energy, MAPLE, Effective Coordination Numbers, ECoN, these via Mean Fictive Ionic Radii, MEFIR, are calculated.Keywords
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