#------------------------------------------------------------------------------ #$Date: 2012-02-26 00:40:25 +0200 (Sun, 26 Feb 2012) $ #$Revision: 34923 $ #$URL: file:///home/coder/svn-repositories/cod/cif/4/00/07/4000738.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_4000738 loop_ _publ_author_name 'Corbel, Gwena\"el' 'Suard, Emmanuelle' 'Lacorre, Philippe' _publ_section_title ; Structural Key of the Thermal Expansion and the Oxide Ionic Conduction in Derivatives of La2Mo2O9: a Temperature-Controlled Neutron Diffraction Study of \b-La1.7Bi0.3Mo2O9 ; _journal_issue 5 _journal_name_full 'Chemistry of Materials' _journal_page_first 1288 _journal_volume 23 _journal_year 2011 _chemical_formula_analytical La1.7Bi0.3Mo2O9 _chemical_formula_structural La1.7Bi0.3Mo2O9 _chemical_formula_sum 'Bi0.3 La1.7 Mo2 O8.996' _chemical_formula_weight 634.644 _chemical_formula_weight_meas 634.711 _chemical_name_common ; LAMOX ; _chemical_name_structure_type ; beta-La2Mo2O9 ; _space_group_IT_number 198 _symmetry_Int_Tables_number 198 _symmetry_space_group_name_Hall 'P 2ac 2ab 3' _symmetry_space_group_name_H-M 'P 21 3' _audit_creation_date 02-04-25 _audit_creation_method 'Created with Diamond (www.crystalimpact.com)' _audit_update_record 02-04-25 _cell_angle_alpha 90.000 _cell_angle_beta 90.000 _cell_angle_gamma 90.000 _cell_formula_units_Z 2 _cell_length_a 7.2611(2) _cell_length_b 7.2611(2) _cell_length_c 7.2611(2) _cell_volume 382.831(18) _[local]_cod_data_source_file cm103255r_si_002.cif _[local]_cod_data_source_block La1.7Bi0.3Mo2O9-973K _[local]_cod_cif_authors_sg_Hall P_2ac_2ab_3 _[local]_cod_chemical_formula_sum_orig 'La1.7 Bi0.3 Mo2 O8.996' _cod_database_code 4000738 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x, y, z' 2 'z, x, y' 3 'y, z, x' 4 '0.500-y, -z, 0.500+x' 5 '0.500+z, 0.500-x, -y' 6 '-y, 0.500+z, 0.500-x' 7 '0.500-z, -x, 0.500+y' 8 '-z, 0.500+x, 0.500-y' 9 '0.500+y, 0.500-z, -x' 10 '0.500-x, -y, 0.500+z' 11 '0.500+x, 0.500-y, -z' 12 '-x, 0.500+y, 0.500-z' 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 La 0.03344(115) 0.03344(115) 0.03344(115) -0.00911(93) -0.00911(93) -0.00911(93) Bi 0.03344(115) 0.03344(115) 0.03344(115) -0.00911(93) -0.00911(93) -0.00911(93) Mo 0.01770(35) 0.01770(35) 0.01770(35) 0.00586(80) 0.00586(80) 0.00586(80) O1 0.03622(96) 0.03622(96) 0.03622(96) -0.00365(136) -0.00365(136) -0.00365(136) O2 0.02504(114) 0.09010(306) 0.02732(159) -0.00520(161) 0.00557(130) 0.02219(298) O3 0.02504(114) 0.09010(306) 0.02732(159) -0.00520(161) 0.00557(130) 0.02219(298) loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_calc_flag La La+0 0.8493(4) 0.8493(4) 0.8493(4) 0.850 4 a d Bi Bi+0 0.8493(4) 0.8493(4) 0.8493(4) 0.150 4 a d Mo Mo+0 0.1703(7) 0.1703(7) 0.1703(7) 1.000 4 a d O1 O+0 0.3195(6) 0.3195(6) 0.3195(6) 1.000 4 a d O2 O+0 0.9863(8) 0.171(1) 0.333(1) 0.880(9) 12 b d O3 O+0 0.920(2) 0.611(4) 0.547(2) 0.286(9) 12 b d loop_ _atom_type_symbol _atom_type_oxidation_number _atom_type_radius_bond La+0 3.000 1.060 Bi+0 3.000 0.960 Mo+0 6.000 0.420 O+0 -2.000 1.210 loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle _geom_angle_publ_flag La La La 6_756 5_567 91.27(7) no La La La 6_756 6_746 108.35(8) no La La La 7_675 12_746 144.57(9) no La La La 7_675 9_567 91.27(7) no La La La 4_675 6_746 144.57(9) no La La La 4_675 5_567 91.27(7) no La La La 7_675 12_756 91.27(7) no La La La 4_674 6_746 107.01(8) no La La La 12_746 5_467 107.01(8) no La La La 4_674 5_467 107.01(8) no La La Mo 7_674 7_665 92.14(10) no La La Mo 12_756 7_665 57.38(10) no La La La 5_567 5_467 108.35(8) no loop_ _geom_contact_atom_site_label_1 _geom_contact_atom_site_label_2 _geom_contact_site_symmetry_2 _geom_contact_distance _geom_contact_publ_flag Mo O1 . 1.8764(67) no O2 O1 1_655 2.6506(75) no O2 O2 3_654 3.0854(99) no O2 O2 2_645 3.0854(90) no