#------------------------------------------------------------------------------ #$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/00/23/2002388.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_2002388 loop_ _publ_author_name 'Schroeder, F' 'Mueller-Buschbaum, Hk' _publ_section_title ; Neue metastabile Oxolanthanoide: Ba Ca2 Y6 O12 und Ca0.33 Mg Y2.67 O5.33 (=Ca Mg3 Y8 O16) ; _journal_name_full 'Journal of the Less-Common Metals' _journal_page_first 211 _journal_page_last 218 _journal_paper_doi 10.1016/0022-5088(86)90230-4 _journal_volume 116 _journal_year 1986 _chemical_formula_analytical 'Ca.33 Mg Y2.67 O5.33' _chemical_formula_structural 'Ca.33 Mg Y2.67 O6' _chemical_formula_sum 'Ca0.33 Mg O6 Y2.67' _chemical_name_systematic ; Calcium magnesium yttrium oxide (.33/1/2.67/5.33) ; _space_group_IT_number 6 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 6 _symmetry_space_group_name_Hall 'P -2y' _symmetry_space_group_name_H-M 'P 1 m 1' _cell_angle_alpha 90 _cell_angle_beta 92.4(3) _cell_angle_gamma 90 _cell_formula_units_Z 3 _cell_length_a 6.516(5) _cell_length_b 10.620(8) _cell_length_c 5.866(17) _cell_volume 405.6 _refine_ls_R_factor_all 0.102 _cod_original_formula_sum 'Ca.33 Mg O6 Y2.67' _cod_database_code 2002388 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,-y,z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Ca1 Ca2+ 2 c 0.1380(3) 0.1639(3) 0.2312(4) 0.08 0 d Mg1 Mg2+ 2 c 0.1380(3) 0.1639(3) 0.2312(4) 0.25 0 d Y1 Y4+ 2 c 0.1380(3) 0.1639(3) 0.2312(4) 0.67 0 d Ca2 Ca2+ 2 c 0.8823(14) 0.1654(3) 0.8160(14) 0.08 0 d Mg2 Mg2+ 2 c 0.8823(14) 0.1654(3) 0.8160(14) 0.25 0 d Y2 Y4+ 2 c 0.8823(14) 0.1654(3) 0.8160(14) 0.67 0 d Ca3 Ca2+ 2 c 0.3144(6) 0.3320(7) 0.7813(11) 0.08 0 d Mg3 Mg2+ 2 c 0.3144(6) 0.3320(7) 0.7813(11) 0.25 0 d Y3 Y4+ 2 c 0.3144(6) 0.3320(7) 0.7813(11) 0.67 0 d Ca4 Ca2+ 2 c 0.6249(11) 0.3331(6) 0.2661(5) 0.08 0 d Mg4 Mg2+ 2 c 0.6249(11) 0.3331(6) 0.2661(5) 0.25 0 d Y4 Y4+ 2 c 0.6249(11) 0.3331(6) 0.2661(5) 0.67 0 d Ca5 Ca2+ 1 b 0.1885(4) 0.5 0.2963(6) 0.08 0 d Mg5 Mg2+ 1 b 0.1885(4) 0.5 0.2963(6) 0.25 0 d Y5 Y4+ 1 b 0.1885(4) 0.5 0.2963(6) 0.67 0 d Ca6 Ca2+ 1 b 0.8422(15) 0.5 0.7414(14) 0.08 0 d Mg6 Mg2+ 1 b 0.8422(15) 0.5 0.7414(14) 0.25 0 d Y6 Y4+ 1 b 0.8422(15) 0.5 0.7414(14) 0.67 0 d Ca7 Ca2+ 1 a 0.2766(6) 0. 0.7142(15) 0.08 0 d Mg7 Mg2+ 1 a 0.2766(6) 0. 0.7142(15) 0.25 0 d Y7 Y4+ 1 a 0.2766(6) 0. 0.7142(15) 0.67 0 d Ca8 Ca2+ 1 a 0.6800(12) 0. 0.2540(4) 0.08 0 d Mg8 Mg2+ 1 a 0.6800(12) 0. 0.2540(4) 0.25 0 d Y8 Y4+ 1 a 0.6800(12) 0. 0.2540(4) 0.67 0 d O1 O2- 2 c 0.502(2) 0.187(2) 0.096(2) 1. 0 d O2 O2- 2 c 0.831(2) 0.156(2) 0.224(2) 1. 0 d O3 O2- 2 c 0.179(2) 0.174(2) 0.620(2) 1. 0 d O4 O2- 2 c 0.081(2) 0.347(2) 0.013(2) 1. 0 d O5 O2- 2 c 0.654(2) 0.343(2) 0.605(2) 1. 0 d O6 O2- 2 c 0.326(2) 0.343(2) 0.388(2) 1. 0 d O7 O2- 1 b 0.434(2) 0.5 0.042(2) 1. 0 d O8 O2- 1 b 0.864(2) 0.5 0.393(2) 1. 0 d O9 O2- 1 b 0.138(2) 0.5 0.716(2) 1. 0 d O10 O2- 1 a 0.012(2) 0. 0.999(2) 1. 0 d O11 O2- 1 a 0.654(2) 0. 0.853(2) 1. 0 d O12 O2- 1 a 0.407(2) 0. 0.457(2) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ca2+ 2.000 Mg2+ 2.000 Y4+ 3.500 O2- -2.000