#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9001260.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_9001260 loop_ _publ_author_name 'Angel R J' 'Carpenter M A' 'Finger L W' _publ_section_title ; Structural variation associated with compositional variation and order-disorder behavior in anorthite-rich feldspars sample from Monte Somma ; _journal_name_full 'American Mineralogist' _journal_page_first 150 _journal_page_last 162 _journal_volume 75 _journal_year 1990 _chemical_formula_sum 'Al Ca O4 Si' _[local]_cod_chemical_formula_sum_orig 'Si Al Ca O4' _chemical_name_mineral Anorthite _symmetry_space_group_name_H-M 'I -1' _cell_angle_alpha 93.134 _cell_angle_beta 115.885 _cell_angle_gamma 91.236 _cell_length_a 8.1796 _cell_length_b 12.8747 _cell_length_c 14.172 _cell_volume 1338.993 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,1/2+z -x,-y,-z 1/2-x,1/2-y,1/2-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Si1oo 0.00800 0.15770 0.10420 Al1oz 0.00280 0.16350 0.61190 Al1mo 0.00040 0.81480 0.11940 Si1mz 0.00520 0.81780 0.61160 Al2oo 0.68820 0.11230 0.15950 Si2oz 0.67640 0.10520 0.65720 Si2mo 0.67540 0.88130 0.18060 Al2mz 0.68380 0.87490 0.67720 Caooo 0.26590 0.98610 0.08690 Cazoo 0.26810 0.03040 0.54500 Caoio 0.77350 0.53530 0.54220 Cazio 0.76370 0.50300 0.07700 Oa1o 0.00710 0.12440 -0.00940 Oa1z 0.00110 0.12530 0.49020 Oa2o 0.57430 0.98930 0.13910 Oa2z 0.57280 -0.00940 0.63820 Oboo 0.82260 0.09880 0.09220 Oboz 0.79940 0.10050 0.59340 Obmo 0.80720 0.85550 0.12660 Obmz 0.82470 0.85530 0.61700 Ocoo 0.01240 0.27830 0.13560 Ocoz 0.01410 0.29350 0.64850 Ocmo 0.00760 0.68000 0.10720 Ocmz 0.00830 0.69210 0.60010 Odoo 0.19190 0.10660 0.18550 Odoz 0.20420 0.10340 0.69260 Odmo 0.19730 0.86840 0.22070 Odmz 0.18640 0.86290 0.70830 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 Si1oo 0.00684 0.00752 0.00574 0.00000 0.00331 0.00000 Al1oz 0.00657 0.00752 0.00656 -0.00096 0.00331 0.00000 Al1mo 0.00930 0.00668 0.00574 0.00096 0.00379 0.00000 Si1mz 0.00657 0.00752 0.00574 0.00239 0.00237 0.00000 Al2oo 0.00602 0.00668 0.01557 0.00048 0.00426 -0.00083 Si2oz 0.00602 0.00585 0.01639 -0.00143 0.00568 -0.00248 Si2mo 0.00493 0.00585 0.01475 0.00143 0.00237 0.00248 Al2mz 0.00575 0.00752 0.00901 0.00191 0.00237 0.00248 Caooo 0.00547 0.02422 0.01229 -0.00096 0.00331 -0.00744 Cazoo 0.00547 0.01420 0.01065 0.00382 0.00047 -0.00248 Caoio 0.00629 0.01253 0.01065 0.00287 0.00189 -0.00165 Cazio 0.00711 0.01921 0.00901 0.00287 0.00095 -0.00579 Oa1o 0.02764 0.01253 0.00819 -0.00096 0.01089 -0.00083 Oa1z 0.03120 0.01002 0.01475 0.00048 0.01705 0.00000 Oa2o 0.00438 0.00752 0.01311 0.00048 0.00142 0.00248 Oa2z 0.00547 0.00668 0.01311 0.00382 0.00331 0.00165 Oboo 0.01450 0.00835 0.03851 -0.00335 0.01847 -0.00827 Oboz 0.01615 0.01336 0.03851 -0.00717 0.02083 -0.00993 Obmo 0.01943 0.01503 0.06801 0.00000 0.03078 -0.00744 Obmz 0.02217 0.01837 0.04916 0.01052 0.02936 0.00993 Ocoo 0.00958 0.00668 0.01229 -0.00143 0.00426 -0.00248 Ocoz 0.01368 0.00668 0.01721 -0.00382 0.00710 -0.00331 Ocmo 0.01341 0.00668 0.01475 0.00191 0.00568 0.00083 Ocmz 0.01040 0.01086 0.00983 0.00191 0.00189 -0.00331 Odoo 0.01040 0.01420 0.01393 0.00574 -0.00616 0.00000 Odoz 0.01998 0.01169 0.01885 0.00143 -0.00616 0.00248 Odmo 0.01095 0.02004 0.03114 0.00335 -0.00900 -0.01324 Odmz 0.01916 0.02422 0.02868 0.01052 -0.01989 -0.01654