#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/01/12/1011230.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_1011230 loop_ _publ_author_name 'Bjoerling, C O' 'Westgren, A' _publ_section_title ; Minerals of the Varutrask pegmatite. IX. X-ray studies on triphylite, varulite, and their oxidation products ; _journal_coden_ASTM GFSFA4 _journal_name_full ; Geologiska Foereningens i Stockholm Foerhandlingar ; _journal_page_first 67 _journal_page_last 72 _journal_volume 60 _journal_year 1938 _chemical_compound_source 'from Varutrask, Sweden' _chemical_formula_structural '(Mn0.65 Fe0.35) (P O4)' _chemical_formula_sum 'Fe0.35 Mn0.65 O4 P' _chemical_name_mineral Purpurite _chemical_name_systematic ; Manganese(III) iron(III) phosphate(V) (0.65/0.35/1) ; _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 62 _symmetry_space_group_name_H-M 'P b n m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 4.76 _cell_length_b 9.68 _cell_length_c 5.819 _cell_volume 268.1 _[local]_cod_chemical_formula_sum_orig 'Fe.35 Mn.65 O4 P' _cod_database_code 1011230 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2-x,1/2+y,1/2-z -x,-y,1/2+z 1/2+x,1/2-y,-z -x,-y,-z 1/2+x,1/2-y,1/2+z x,y,1/2-z 1/2-x,1/2+y,z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Mn1 Mn3+ 4 c -0.0278 0.2778 0.25 0.65 0 d Fe1 Fe3+ 4 c -0.0278 0.2778 0.25 0.35 0 d P1 P5+ 4 c 0.4167 0.0972 0.25 1. 0 d O1 O2- 4 c -0.25 0.0556 0.25 1. 0 d O2 O2- 4 c 0.25 0.4444 0.25 1. 0 d O3 O2- 8 d 0.1944 0.1667 0.0278 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Mn3+ 3.000 Fe3+ 3.000 P5+ 5.000 O2- -2.000