#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/39/9013944.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_9013944 loop_ _publ_author_name 'Braithwaite, R. S. W.' 'Mereiter, K.' 'Paar, W. H.' 'Clark, A. M.' _publ_section_title ; Herbertsmithite, Cu3Zn(OH)6Cl2, a new species and the definition of paratacamite Locality: Mina Los Tres Presidentes, Sierra Gorda, Chile ; _journal_name_full 'Mineralogical Magazine' _journal_page_first 527 _journal_page_last 539 _journal_volume 68 _journal_year 2004 _chemical_formula_sum 'Cl2 Cu3 H6 O6 Zn' _chemical_name_mineral Herbertsmithite _space_group_IT_number 148 _symmetry_space_group_name_Hall '-R 3' _symmetry_space_group_name_H-M 'R -3 :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 6.834 _cell_length_b 6.834 _cell_length_c 14.075 _cell_volume 569.284 _exptl_crystal_density_diffrn 3.754 _[local]_cod_cif_authors_sg_H-M 'R -3' _[local]_cod_chemical_formula_sum_orig 'Zn Cu3 O6 Cl2 H6' _cod_database_code 9013944 _amcsd_database_code AMCSD#0012172 loop_ _symmetry_equiv_pos_as_xyz x,y,z 2/3+x,1/3+y,1/3+z 1/3+x,2/3+y,2/3+z y,-x+y,-z 2/3+y,1/3-x+y,1/3-z 1/3+y,2/3-x+y,2/3-z -x+y,-x,z 2/3-x+y,1/3-x,1/3+z 1/3-x+y,2/3-x,2/3+z -x,-y,-z 2/3-x,1/3-y,1/3-z 1/3-x,2/3-y,2/3-z -y,x-y,z 2/3-y,1/3+x-y,1/3+z 1/3-y,2/3+x-y,2/3+z x-y,x,-z 2/3+x-y,1/3+x,1/3-z 1/3+x-y,2/3+x,2/3-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 Zn 0.01140 0.01140 0.00670 0.00570 0.00000 0.00000 Cu2 0.00810 0.00760 0.01090 0.00380 0.00110 0.00230 O 0.00990 0.00990 0.01330 0.00530 0.00070 -0.00070 Cl 0.01440 0.01440 0.01070 0.00720 0.00000 0.00000 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Zn 0.00000 0.00000 0.00000 ? Cu2 0.50000 0.00000 0.00000 ? O 0.20560 -0.20560 0.06120 ? Cl 0.00000 0.00000 0.19430 ? H 0.13750 -0.13750 0.08620 0.04000