#------------------------------------------------------------------------------ #$Date: 2008-03-10 10:25:41 +0200 (Mon, 10 Mar 2008) $ #$Revision: 255 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9001103.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_9001103 loop_ _publ_author_name 'Scambos T A' 'Smyth J R' 'McCormick T C' _publ_section_title ; Crystal-structure refinement of high sanidine from the upper mantle ; _journal_name_full 'American Mineralogist' _journal_page_first 973 _journal_page_last 978 _journal_volume 72 _journal_year 1987 _chemical_formula_sum 'K (Al Si3) O8' _chemical_name_mineral Sanidine-high _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 115.94 _cell_angle_gamma 90 _cell_length_a 8.595 _cell_length_b 13.028 _cell_length_c 7.175 _cell_volume 722.482 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 K 0.28660 0.00000 0.13800 1.00000 Al1 0.00991 0.18560 0.22381 0.26600 Si1 0.00991 0.18560 0.22381 0.73400 Al2 0.71075 0.11813 0.34438 0.23400 Si2 0.71075 0.11813 0.34438 0.76600 OA1 0.00000 0.14700 0.00000 1.00000 OA2 0.64000 0.00000 0.28490 1.00000 OB 0.83020 0.14760 0.22690 1.00000 OC 0.03510 0.31050 0.25690 1.00000 OD 0.17890 0.12650 0.40380 1.00000 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 K 0.02058 0.03173 0.03164 0.00000 0.00960 0.00000 Al1 0.01338 0.00963 0.01139 -0.00194 0.00662 -0.00081 Si1 0.01338 0.00963 0.01139 -0.00194 0.00662 -0.00081 Al2 0.01316 0.00636 0.01308 -0.00051 0.00594 0.00000 Si2 0.01316 0.00636 0.01308 -0.00051 0.00594 0.00000 OA1 0.03057 0.01496 0.01856 0.00000 0.01187 0.00000 OA2 0.02270 0.01058 0.02468 0.00000 0.00556 0.00000 OB 0.02512 0.02691 0.02552 -0.00357 0.01440 0.00000 OC 0.02149 0.01341 0.02278 -0.00102 0.00884 -0.00213 OD 0.02361 0.01651 0.01729 0.00153 0.00581 0.00043