#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/42/9004290.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_9004290 loop_ _publ_author_name 'Evans, H. T.' 'Post, J. E.' 'Ross, D. R.' 'Nelen, J. A.' _publ_section_title ; The crystal structure and crystal chemistry of fernandinite and corvusite Minasragu, Peru, with general formula (Ca,Na,K)x(V,Fe,Ti)8O20.4H2O Locality: Minasragu, Peru ; _journal_name_full 'The Canadian Mineralogist' _journal_page_first 339 _journal_page_last 351 _journal_volume 32 _journal_year 1994 _chemical_formula_sum 'Ca0.72 O5 V2' _chemical_name_mineral Fernandinite _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 105.00 _cell_angle_gamma 90 _cell_length_a 11.680 _cell_length_b 3.6537 _cell_length_c 11.023 _cell_volume 454.380 _exptl_crystal_density_diffrn 3.081 _[local]_cod_chemical_formula_sum_orig 'V2 Ca.72 O5' _cod_database_code 9004290 _amcsd_database_code AMCSD#0005323 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_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv V1 0.80180 0.00000 0.13700 1.00000 0.01000 V2 0.09820 0.00000 0.13780 1.00000 0.01000 Ca1 0.06100 0.00000 0.50600 0.46000 0.02000 Ca2 0.56800 0.00000 0.47800 0.26000 0.02000 O1 0.94600 0.00000 0.09600 1.00000 0.01000 O2 0.84900 0.00000 0.28300 1.00000 0.01000 O3 0.62900 0.00000 0.12000 1.00000 0.01000 O4 0.27400 0.00000 0.10000 1.00000 0.01000 O5 0.11000 0.00000 0.28600 1.00000 0.01000