#------------------------------------------------------------------------------ #$Date: 2011-09-28 15:24:46 +0100 (Wed, 28 Sep 2011) $ #$Revision: 26848 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/15/2101577.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # 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_2101577 loop_ _publ_author_name 'Abrahams, S. C.' _publ_section_title ; New ferroelectric inorganic materials predicted in point group 4mm ; _journal_issue 5 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 790 _journal_page_last 805 _journal_volume 52 _journal_year 1996 _chemical_formula_sum 'Ba2 O8 Si2 Ti' _symmetry_cell_setting tetragonal _symmetry_space_group_name_Hall 'P 4 -2ab' _symmetry_space_group_name_H-M 'P 4 b m' _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_length_a 8.5270(10) _cell_length_b 8.5270(10) _cell_length_c 5.2104(9) _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71069 _[local]_cod_data_source_file an0527.cif loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ba .32701(3) .82701(3) -.00242 Ti .0 .0 .5112(5) Si .1280(2) .6280(2) .4888(8) O1 .0 .5 .6051(19) O2 .1259(5) .6259(5) .1809(12) O3 .0772(8) .7924(6) .6187(11) O4 .0 .0 .185(2) _cod_database_code 2101577