#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9000987.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_9000987 loop_ _publ_author_name 'Hawthorne F C' _publ_section_title ; Lammerite, Cu3(AsO4)2, a modulated close-packed structure ; _journal_name_full 'American Mineralogist' _journal_page_first 206 _journal_page_last 209 _journal_volume 71 _journal_year 1986 _chemical_formula_sum 'As2 Cu3 O8' _[local]_cod_chemical_formula_sum_orig 'Cu3 As2 O8' _chemical_name_mineral Lammerite _symmetry_space_group_name_H-M 'P 1 21/a 1' _cell_angle_alpha 90 _cell_angle_beta 111.72 _cell_angle_gamma 90 _cell_length_a 5.079 _cell_length_b 11.611 _cell_length_c 5.394 _cell_volume 295.513 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2-y,z 1/2-x,1/2+y,-z -x,-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Cu1 0.00000 0.50000 0.50000 0.01250 Cu2 0.24620 0.83670 0.85630 0.01480 As -0.11110 0.88510 0.26250 0.00960 O1 0.19210 0.91730 0.22030 0.01300 O2 -0.09460 0.81570 0.53900 0.01500 O3 0.17170 0.68710 0.99040 0.01300 O4 0.28930 0.99020 0.73320 0.01200