#------------------------------------------------------------------------------ #$Date: 2010-01-30 13:59:17 +0000 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: svn://www.crystallography.net/cod/cif/2/2101348.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_2101348 loop_ _publ_author_name 'Baldinozzi, G.' 'Sciau, Ph.' 'Pinot, M.' 'Grebille, D.' _publ_section_title ; Crystal structure of the antiferroelectric perovskite Pb~2~MgWO~6~ ; _journal_issue 5 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 668 _journal_page_last 673 _journal_volume 51 _journal_year 1995 _chemical_formula_sum 'Mg O6 Pb2 W' _[local]_cod_chemical_formula_sum_orig 'Mg1 O6 Pb2 W1' _chemical_formula_weight 718.54 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall '-P 2n -21' _symmetry_space_group_name_H-M 'P m c n' _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_formula_units_Z 4 _cell_length_a 7.9041(3) _cell_length_b 5.7035(2) _cell_length_c 11.4442(4) _cell_volume 515.90(10) _diffrn_radiation_type Cu _diffrn_radiation_wavelength 1.54184 _[local]_cod_data_source_file du0393.cif loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Pb 0.0062(2) -.2113(2) 0.14640(10) Mg 0.25 0.7537(6) 0.3780(3) W 0.25 0.2569(5) 0.1136(2) O(1) 0.4910(3) 0.2298(3) 0.1340(2) O(2) 0.25 0.0135(8) 0.0032(5) O(3) 0.25 0.4974(11) 0.0097(3) O(4) 0.25 -0.0253(9) 0.2359(3) O(5) 0.25 0.4629(9) 0.2514(3) _cod_database_code 2101348