#------------------------------------------------------------------------------ #$Date: 2009-11-23 07:50:56 +0200 (Mon, 23 Nov 2009) $ #$Revision: 903 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9011339.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_9011339 loop_ _publ_author_name 'Boysen, H.' 'Lerch, M.' 'Stys, A.' 'Senyshyn, A.' _publ_section_title ; Structure and oxygen mobility in mayenite (Ca12Al14O33): a high-temperature neutron powder diffraction study Locality: synthetic Sample: T = 1323 K ; _journal_name_full 'Acta Crystallographica, Section B' _journal_page_first 675 _journal_page_last 682 _journal_volume 63 _journal_year 2007 _chemical_formula_sum 'Al7 Ca6 O16.45' _chemical_name_mineral Mayenite _space_group_IT_number 220 _symmetry_space_group_name_Hall 'I -4bd 2c 3' _symmetry_space_group_name_H-M 'I -4 3 d' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 12.0585 _cell_length_b 12.0585 _cell_length_c 12.0585 _cell_volume 1753.395 _diffrn_ambient_temperature 1323 _[local]_cod_data_source_file 09110.cif _[local]_cod_data_source_block global _[local]_cod_chemical_formula_sum_orig 'Ca6 Al7 O16.45' loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,1/2+z 1/2-z,x,-y -z,1/2+x,1/2-y 1/2-y,z,-x -y,1/2+z,1/2-x 1/2-x,y,-z -x,1/2+y,1/2-z 1/4+x,3/4-z,1/4-y 3/4+x,1/4-z,3/4-y 1/4+z,3/4-y,1/4-x 3/4+z,1/4-y,3/4-x 1/4+y,3/4-x,1/4-z 3/4+y,1/4-x,3/4-z 1/4+x,1/4+z,1/4+y 3/4+x,3/4+z,3/4+y 1/4+z,1/4+y,1/4+x 3/4+z,3/4+y,3/4+x 1/4+y,1/4+x,1/4+z 3/4+y,3/4+x,3/4+z -z,1/2-x,y 1/2-z,-x,1/2+y -y,1/2-z,x 1/2-y,-z,1/2+x -x,1/2-y,z 1/2-x,-y,1/2+z 1/2+z,1/2-x,-y +z,-x,1/2-y 1/2+y,1/2-z,-x +y,-z,1/2-x 1/2+x,1/2-y,-z +x,-y,1/2-z 3/4-x,3/4+z,1/4-y 1/4-x,1/4+z,3/4-y 3/4-z,3/4+y,1/4-x 1/4-z,1/4+y,3/4-x 3/4-y,3/4+x,1/4-z 1/4-y,1/4+x,3/4-z 3/4-x,1/4-z,1/4+y 1/4-x,3/4-z,3/4+y 3/4-z,1/4-y,1/4+x 1/4-z,3/4-y,3/4+x 3/4-y,1/4-x,1/4+z 1/4-y,3/4-x,3/4+z z,x,y 1/2+z,1/2+x,1/2+y y,z,x 1/2+y,1/2+z,1/2+x loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Ca 0.14560 0.00000 0.25000 0.92600 0.04700 Ca* 0.21200 0.00000 0.25000 0.07400 0.05000 Al1 0.01830 0.01830 0.01830 1.00000 0.02530 Al2 0.87500 0.00000 0.25000 1.00000 0.01990 O1 0.78779 0.10087 0.30547 1.00000 0.04300 O2 -0.06399 -0.06399 -0.06399 1.00000 0.04280 O3 0.37500 0.00000 0.25000 0.15000 0.28000 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 Ca 0.06600 0.04100 0.03400 0.00000 0.00000 0.00000 Al1 0.02530 0.02530 0.02530 -0.00350 -0.00350 -0.00350 Al2 0.01400 0.02310 0.02310 0.00000 0.00000 0.00000 O1 0.05140 0.03980 0.03790 0.02910 0.01490 0.00310 O2 0.04280 0.04280 0.04280 -0.01190 -0.01190 -0.01190