Syntheses and crystal structures of some new rare earth basic nitrates. II: [Ln6O(OH)8(H2O)12(NO3)6](NO3)2.xH2O, Ln = Sm, Dy, Er; x(Sm) = 6, x(Dy) = 5, x(Er) = 4

Author(s): Gerald Giester, Peter Unfried, Zdirad Zák
Abstract: The title compds. were synthesized and their structures detd. The Sm compd. crystallizes with a new structure type: P.hivin.1, a = 11.595(2), b = 11.697(2), c = 16.720(3) Å., α = 91.05(2), β = 90.00(1), γ = 112.97(2)° Å, V = 2087.5(6) Å³, Z = 2. The Dy compd. is isotypic with the previously reported structure of the Gd compd.: space group C2/c, a = 12.623(3), b = 18.798(4), c = 17.465(4) Å, β = 106.70(2)°, Z = 4. The erbium compound has the same structure as the earlier reported structure of the ytterbium compound: P-1, a = 10.056(2), b = 10.064(2), c = 11.397(2) Å, α = 96.49(1), β = 108.81(1), γ = 110.90(2)°, V = 985.5(3) Å³, Z = 1. The structures, which are closely related, are built up of [Ln₆O(OH)₈(H₂O)₁₂(NO₃)₆]²⁺ clusters with additional (NO₃)^1- and H₂O groups in between.
Organisation(s): Department of Mineralogy and Crystallography, Department of Inorganic Chemistry
External organisation(s): Masaryk University
Journal: Journal of Alloys and Compounds
Volume: 257
Pages: 175-181
No. of pages: 7
ISSN: 0925-8388
DOI: https://doi.org/10.1016/S0925-8388(97)00015-7
Publication date: 07-1997
Peer reviewed: Yes
Austrian Fields of Science 2012: 105113 Crystallography, 104011 Materials chemistry
Portal url: https://ucrisportal.univie.ac.at/en/publications/d74b6ce1-b29f-49ee-bbe3-6a50c7b59707

Syntheses and crystal structures of some new rare earth basic nitrates. II: [Ln<sub>6</sub>O(OH)<sub>8</sub>(H<sub>2</sub>O)<sub>12</sub>(NO<sub>3</sub>)<sub>6</sub>](NO<sub>3</sub>)<sub>2</sub>.xH<sub>2</sub>O, Ln = Sm, Dy, Er; x(Sm) = 6, x(Dy) = 5, x(Er) = 4