#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9000936.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_9000936 _chemical_name 'Davreuxite' loop_ _publ_author_name 'Sahl K' 'Jones P G' 'Sheldrick G M' _journal_name_full "American Mineralogist" _journal_volume 69 _journal_year 1984 _journal_page_first 783 _journal_page_last 787 _publ_section_title ; The crystal structure of davreuxite, MnAl6Si4O17(OH)2 ; _chemical_formula_sum 'Mn Si4 Al6 O19 H2' _cell_length_a 9.518 _cell_length_b 5.753 _cell_length_c 12.040 _cell_angle_alpha 90 _cell_angle_beta 108 _cell_angle_gamma 90 _cell_volume 627.008 _symmetry_space_group_name_H-M 'P 1 21/m 1' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_Uiso_or_equiv Mn 0.35160 0.25000 0.63510 ? Si1 0.81150 0.25000 0.47960 ? Si2 0.49620 0.25000 0.39110 ? Si3 0.68230 0.25000 0.09660 ? Si4 0.89920 0.25000 0.85740 ? Al1 0.31960 0.25000 0.90320 ? Al2 0.09060 0.25000 0.13400 ? Al3 0.93870 0.99530 0.30750 ? Al4 0.40260 0.00080 0.15470 ? O1 0.98440 0.25000 0.99150 0.01500 O2 0.47420 0.25000 0.85480 0.01000 O3 0.52790 0.25000 0.12680 0.01100 O4 0.72300 0.25000 0.83750 0.01000 O-H5 0.36560 0.25000 0.45350 0.01200 O6 0.64990 0.25000 0.49920 0.01100 O7 0.27860 0.25000 0.15010 0.01000 O8 0.82900 0.25000 0.20970 0.01200 O9 0.94320 0.25000 0.60470 0.01100 O-H10 0.05550 0.25000 0.37900 0.00900 O11 0.17200 0.25000 0.77330 0.01000 O12 0.82480 0.01580 0.40840 0.00900 O13 0.68290 0.01440 0.02230 0.00900 O14 0.05930 0.98500 0.20170 0.01000 O15 0.49060 0.02090 0.31410 0.01100