#------------------------------------------------------------------------------ #$Date: 2014-07-12 11:06:43 +0300 (Sat, 12 Jul 2014) $ #$Revision: 120115 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/59/9015922.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_9015922 loop_ _publ_author_name 'Liebscher, A.' 'Dorsam, G.' 'Franz, G.' 'Wunder, B.' 'Gottschalk, M.' _publ_section_title ; Crystal chemistry of synthetic lawsonite solid-solution series CaAl2 [(OH)2/(Si2O7)](H2O)-SrAl2[(OH)2/(Si2O7)](H2O) and the Cmcm-P2_1/m phase transition Note: Run #AU76 ; _journal_name_full 'American Mineralogist' _journal_page_first 724 _journal_page_last 735 _journal_volume 95 _journal_year 2010 _chemical_compound_source Synthetic _chemical_formula_sum 'Al2 Ca0.982 H4 O10 Si2 Sr0.018' _chemical_name_mineral Lawsonite _space_group_IT_number 63 _symmetry_space_group_name_Hall '-C 2c 2' _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 5.8422 _cell_length_b 8.7904 _cell_length_c 13.1344 _cell_volume 674.521 _database_code_amcsd 0018946 _exptl_crystal_density_diffrn 3.103 _[local]_cod_chemical_formula_sum_orig '(Ca.982 Sr.018) Al2 Si2 O10 H4' _cod_database_code 9015922 loop_ _space_group_symop_operation_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 Ca 0.00000 0.33370 0.25000 0.98200 Sr 0.00000 0.33370 0.25000 0.01800 Al 0.25000 0.25000 0.00000 1.00000 Si 0.00000 0.98100 0.13290 1.00000 O1 0.00000 0.04840 0.25000 1.00000 O2 0.27340 0.37960 0.11750 1.00000 O3 0.00000 0.13900 0.06510 1.00000 O-H4 0.00000 0.63910 0.04870 1.00000 Wat5 0.00000 0.60900 0.25000 1.00000 _journal_paper_doi 10.2138/am.2010.3220