#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9004778.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_9004778 _chemical_name 'Melanterite' loop_ _publ_author_name 'Peterson R C' _journal_name_full "The Canadian Mineralogist" _journal_volume 41 _journal_year 2003 _journal_page_first 937 _journal_page_last 949 _publ_section_title ; The relatinship between Cu content and distortion in the atomic structure of melanterite from the Richmond mine, Iron Mountain, California Sample: m40a Locality: Richmond mine, Iron Mountain, California ; _chemical_formula_sum 'Fe1.22 Cu.78 S2 O22 H28' _cell_length_a 14.077 _cell_length_b 6.497 _cell_length_c 10.949 _cell_angle_alpha 90 _cell_angle_beta 105.81 _cell_angle_gamma 90 _cell_volume 963.495 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_Uiso_or_equiv Fe1 0.00000 0.00000 0.00000 1.00000 ? Fe2 0.50000 0.00000 0.50000 0.22000 ? Cu2 0.50000 0.00000 0.50000 0.78000 ? S 0.77100 -0.03520 0.32500 1.00000 0.02848 O1 0.79630 -0.03660 0.46510 1.00000 0.03734 O2 0.85620 0.03970 0.28370 1.00000 0.04576 O3 0.68790 0.10270 0.27680 1.00000 0.04148 O4 0.74640 -0.24230 0.27490 1.00000 0.04099 Wat5 -0.11270 -0.11190 0.07010 1.00000 0.06270 Wat6 0.10160 -0.04470 0.18410 1.00000 0.04686 Wat7 -0.02840 0.29830 0.06860 1.00000 0.04524 Wat8 0.51830 -0.04850 0.32640 1.00000 0.04171 Wat9 0.42950 0.26390 0.44000 1.00000 0.04690 Wat10 0.34650 -0.16260 0.44190 1.00000 0.04600 Wat11 0.36910 0.00860 0.11310 1.00000 0.04074