#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9005088.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_9005088 loop_ _publ_author_name 'Armbruster T' 'Oberhansli R' 'Bermanec V' _publ_section_title ; Crystal structure of SrMn2(Si2O7)(OH)2.H2O, a new mineral of the lawsonite type ; _journal_name_full 'European Journal of Mineralogy' _journal_page_first 17 _journal_page_last 22 _journal_volume 4 _journal_year 1992 _chemical_formula_sum 'H6 Mn2 O10 Si2 Sr' _[local]_cod_chemical_formula_sum_orig 'Sr Mn2 Si2 O10 H6' _chemical_name_mineral Lawsonite _symmetry_space_group_name_H-M 'C m c m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 6.255 _cell_length_b 9.034 _cell_length_c 13.397 _cell_volume 757.033 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,z x,-y,1/2+z 1/2+x,1/2-y,1/2+z -x,y,1/2-z 1/2-x,1/2+y,1/2-z -x,y,z 1/2-x,1/2+y,z x,-y,-z 1/2+x,1/2-y,-z x,y,1/2-z 1/2+x,1/2+y,1/2-z -x,-y,1/2+z 1/2-x,1/2-y,1/2+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 Sr 0.00000 0.31140 0.25000 1.00000 0.01634 Mn 0.25000 0.25000 0.00000 1.00000 0.01229 Si 0.00000 -0.03060 0.13220 1.00000 0.01178 O1 0.00000 0.02200 0.25000 1.00000 0.01646 O2 0.28500 0.37070 0.11600 1.00000 0.01900 O3 0.00000 0.12590 0.07470 1.00000 0.01267 O-H4 0.00000 0.36800 0.54130 1.00000 0.01900 Wat5 0.04300 0.60700 0.25000 0.50000 0.02153 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 Sr 0.02670 0.01420 0.00820 0.00000 0.00000 0.00000 Mn 0.01440 0.01260 0.01000 -0.00290 0.00430 -0.00300 Si 0.01700 0.01100 0.00700 0.00000 0.00000 0.00000 O1 0.02400 0.01800 0.00900 0.00000 0.00000 0.00000 O2 0.02400 0.01500 0.01600 -0.00500 0.00500 -0.00500 O3 0.01700 0.00800 0.01200 0.00000 0.00000 -0.00200 OH4 0.02200 0.01700 0.01600 0.00000 0.00000 -0.00700