#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9004774.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_9004774 _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: M10b Locality: Richmond mine, Iron Mountain, California ; _chemical_formula_sum 'Fe1.8 Cu.2 S2 O22 H28' _cell_length_a 14.060 _cell_length_b 6.505 _cell_length_c 10.943 _cell_angle_alpha 90 _cell_angle_beta 105.75 _cell_angle_gamma 90 _cell_volume 963.273 _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 0.80000 ? Cu2 0.50000 0.00000 0.50000 0.20000 ? S 0.77300 -0.02960 0.32410 1.00000 0.02080 O1 0.79540 -0.02980 0.46420 1.00000 0.02860 O2 0.86280 0.03690 0.28870 1.00000 0.03111 O3 0.69080 0.11480 0.27330 1.00000 0.03660 O4 0.74590 -0.23930 0.27480 1.00000 0.03138 Wat5 -0.11300 -0.11520 0.06890 1.00000 0.05025 Wat6 0.10260 -0.04350 0.18360 1.00000 0.03579 Wat7 -0.03040 0.29580 0.06690 1.00000 0.03217 Wat8 0.52070 -0.04150 0.31970 1.00000 0.03486 Wat9 0.42990 0.28400 0.44170 1.00000 0.03474 Wat10 0.35270 -0.14470 0.43990 1.00000 0.03527 Wat11 0.36370 0.00470 0.11400 1.00000 0.03423