#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/75/9007586.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9007586 loop_ _publ_author_name 'Tillmanns, E.' 'Gebert, W.' _publ_section_title ; The crystal structure of tsumcorite, a new mineral from the Tsumeb Mine, S.W. Africa Locality: Tsumeb mine, Namibia, Africa ; _journal_name_full 'Acta Crystallographica, Section B' _journal_page_first 2789 _journal_page_last 2794 _journal_volume 29 _journal_year 1973 _chemical_formula_sum 'As2 Fe H5 O10 Pb Zn' _chemical_name_mineral Tsumcorite _space_group_IT_number 12 _symmetry_space_group_name_Hall '-C 2y' _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 115.28 _cell_angle_gamma 90 _cell_length_a 9.124 _cell_length_b 6.329 _cell_length_c 7.577 _cell_volume 395.637 _exptl_crystal_density_diffrn 5.400 _[local]_cod_chemical_formula_sum_orig 'Pb Zn Fe As2 O10 H5' _cod_database_code 9007586 _amcsd_database_code AMCSD#0009417 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,z x,-y,z 1/2+x,1/2-y,z -x,y,-z 1/2-x,1/2+y,-z -x,-y,-z 1/2-x,1/2-y,-z loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Pb 0.02318 0.02191 0.01570 0.00000 0.00431 0.00000 Zn 0.00760 0.00671 0.00785 0.00000 0.00177 0.00000 Fe3+ 0.00760 0.00671 0.00785 0.00000 0.00177 0.00000 Fe2+ 0.00760 0.00671 0.00785 0.00000 0.00177 0.00000 As 0.00659 0.01013 0.00722 0.00000 0.00405 0.00000 O2 0.00887 0.01900 0.01393 0.00000 0.00760 0.00000 O3 0.01013 0.01013 0.01140 0.00000 0.00253 -0.00253 O4 0.01267 0.04053 0.00887 0.00000 -0.00127 0.00000 Wat1 0.00760 0.01647 0.01393 0.00000 0.00760 0.00000 OH1 0.00760 0.01647 0.01393 0.00000 0.00760 0.00000 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Pb 0.00000 0.00000 0.00000 1.00000 Zn 0.25000 0.25000 0.50000 0.50000 Fe3+ 0.25000 0.25000 0.50000 0.38000 Fe2+ 0.25000 0.25000 0.50000 0.12000 As 0.91790 0.50000 0.21550 1.00000 O2 0.31040 0.00000 0.35450 1.00000 O3 0.03480 0.28080 0.26500 1.00000 O4 0.22150 0.50000 0.01470 1.00000 Wat1 0.34050 0.50000 0.40660 0.50000 O-H1 0.34050 0.50000 0.40660 0.50000