#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/54/9005460.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_9005460 loop_ _publ_author_name 'Sarp, H.' 'Cerny, R.' _publ_section_title ;Rollandite, Cu3(AsO4)2.4H2O, a new mineral: its description and crystal structure ; _journal_name_full 'European Journal of Mineralogy' _journal_page_first 1045 _journal_page_last 1050 _journal_volume 12 _journal_year 2000 _chemical_formula_sum 'As2 Cu3 H8 O12' _chemical_name_mineral Rollandite _space_group_IT_number 62 _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 5.6906 _cell_length_b 17.061 _cell_length_c 9.732 _cell_volume 944.854 _exptl_crystal_density_diffrn 3.773 _[local]_cod_chemical_formula_sum_orig 'Cu3 As2 O12 H8' _cod_database_code 9005460 _amcsd_database_code AMCSD#0006788 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,1/2-y,z -x,1/2+y,-z 1/2-x,1/2+y,1/2+z 1/2+x,1/2-y,1/2-z 1/2+x,y,1/2-z 1/2-x,-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_U_iso_or_equiv Cu1 0.42640 0.51379 0.35100 0.00990 Cu2 0.02300 0.25000 0.22140 0.00720 As 0.36490 0.10323 0.10043 0.00610 O1 0.01900 0.14630 0.52310 0.01300 O2 0.02400 0.03510 0.31880 0.00900 O3 0.11600 0.06110 0.03650 0.01000 Wat4 0.27500 0.59620 0.23860 0.01100 O5 0.28000 0.17450 0.21500 0.00800 Wat6 0.21400 0.25000 0.82300 0.02500 Wat7 0.36000 0.25000 0.48470 0.01100