#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9001300.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_9001300 loop_ _publ_author_name 'Steele I M' 'Pluth J J' _publ_section_title ; Crystal structure of synthetic yoshiokaite, a stuffed derivative of the tridymite structure ; _journal_name_full 'American Mineralogist' _journal_page_first 1186 _journal_page_last 1191 _journal_volume 75 _journal_year 1990 _chemical_formula_sum 'Al5.35 Ca2.676 O16 Si2.65' _[local]_cod_chemical_formula_sum_orig 'Si2.65 Al5.35 O16 Ca2.676' _chemical_name_mineral Yoshiokaite _symmetry_space_group_name_H-M 'P -3' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 9.927 _cell_length_b 9.927 _cell_length_c 8.220 _cell_volume 701.517 loop_ _symmetry_equiv_pos_as_xyz x,y,z y,-x+y,-z -x+y,-x,z -x,-y,-z -y,x-y,z x-y,x,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Si1 0.67620 0.75715 -0.06751 0.33100 Al1 0.67620 0.75715 -0.06751 0.66900 Si2 0.75703 0.67636 0.56732 0.33100 Al2 0.75703 0.67636 0.56732 0.66900 Si3 0.33333 0.66667 0.96180 0.16600 Al3 0.33333 0.66667 0.96180 0.33400 Si3* 0.33333 0.66667 0.04210 0.16600 Al3* 0.33333 0.66667 0.04210 0.33400 Si4 0.33333 0.66667 0.54070 0.16600 Al4 0.33333 0.66667 0.54070 0.33400 Si4* 0.33333 0.66667 0.46060 0.16600 Al4* 0.33333 0.66667 0.46060 0.33400 O1 0.28160 0.05670 0.07620 1.00000 O2 0.05560 0.28140 0.42410 1.00000 O3 0.51340 0.35600 0.00280 1.00000 O4 0.35560 0.51320 0.49570 1.00000 O5 0.68270 0.00040 0.25080 1.00000 O6 0.33333 0.66667 0.25010 0.50000 O6* 0.66667 0.33333 0.25730 0.50000 Ca 0.44328 0.00004 0.25008 0.89200 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 Si1 0.00790 0.00870 0.01080 0.00480 0.00020 -0.00090 Al1 0.00790 0.00870 0.01080 0.00480 0.00020 -0.00090 Si2 0.00860 0.00790 0.01110 0.00460 0.00100 -0.00020 Al2 0.00860 0.00790 0.01110 0.00460 0.00100 -0.00020 Si3 0.00720 0.00720 0.02700 0.00360 0.00000 0.00000 Al3 0.00720 0.00720 0.02700 0.00360 0.00000 0.00000 Si3' 0.00540 0.00540 0.00700 0.00270 0.00000 0.00000 Al3' 0.00540 0.00540 0.00700 0.00270 0.00000 0.00000 Si4 0.00460 0.00460 0.00830 0.00230 0.00000 0.00000 Al4 0.00460 0.00460 0.00830 0.00230 0.00000 0.00000 Si4' 0.00850 0.00850 0.02500 0.00425 0.00000 0.00000 Al4' 0.00850 0.00850 0.02500 0.00425 0.00000 0.00000 O1 0.01890 0.01610 0.01470 0.00920 0.00140 -0.00020 O2 0.01640 0.01810 0.01500 0.00900 -0.00150 -0.00190 O3 0.01290 0.01530 0.06000 0.00750 0.00880 0.00990 O4 0.01600 0.01290 0.06200 0.00740 -0.01110 -0.01160 O5 0.01930 0.02000 0.01740 0.01040 -0.00030 0.00130 O6 0.04200 0.04200 0.02000 0.02100 0.00000 0.00000 O6' 0.04700 0.04700 0.02100 0.02350 0.00000 0.00000 Ca 0.01920 0.04250 0.01510 0.02140 -0.00230 -0.00430