#------------------------------------------------------------------------------
#$Date: 2012-02-26 00:40:25 +0200 (Sun, 26 Feb 2012) $
#$Revision: 34923 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/00/07/4000739.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_4000739
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 O9.002'
_chemical_formula_weight         634.740
_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                   7.2745(2)
_cell_length_b                   7.2745(2)
_cell_length_c                   7.2745(2)
_cell_volume                     384.955(18)
_[local]_cod_data_source_file    cm103255r_si_002.cif
_[local]_cod_data_source_block   La1.7Bi0.3Mo2O9-1073K
_[local]_cod_cif_authors_sg_Hall P_2ac_2ab_3
_[local]_cod_chemical_formula_sum_orig 'La1.7 Bi0.3 Mo2 O9.002'
_cod_database_code               4000739
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 0.03645(124) 0.03645(124) 0.03645(124) -0.00864(104) -0.00864(104)
-0.00864(104)
Bi 0.03645(124) 0.03645(124) 0.03645(124) -0.00864(104) -0.00864(104)
-0.00864(104)
Mo 0.01964(39) 0.01964(39) 0.01964(39) 0.00799(78) 0.00799(78) 0.00799(78)
O1 0.03337(90) 0.03337(90) 0.03337(90) -0.00332(119) -0.00332(119)
-0.00332(119)
O2 0.02777(113) 0.09194(321) 0.03015(168) -0.01147(171) 0.00521(140)
0.02210(306)
O3 0.02777(113) 0.09194(321) 0.03015(168) -0.01147(171) 0.00521(140)
0.02210(306)
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 0.8479(4) 0.8479(4) 0.8479(4) 0.850 4 a d
Bi Bi+0 0.8479(4) 0.8479(4) 0.8479(4) 0.150 4 a d
Mo Mo+0 0.1674(8) 0.1674(8) 0.1674(8) 1.000 4 a d
O1 O+0 0.3180(6) 0.3180(6) 0.3180(6) 1.000 4 a d
O2 O+0 0.9861(9) 0.173(1) 0.336(1) 0.872(9) 12 b d
O3 O+0 0.925(2) 0.615(4) 0.546(2) 0.295(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 90.81(7) no
La La La 6_756 6_746 108.23(8) no
La La La 7_675 12_746 144.37(9) no
La La La 7_675 9_567 90.81(7) no
La La La 4_675 6_746 144.37(9) no
La La La 4_675 5_567 90.81(7) no
La La La 7_675 12_756 90.81(7) no
La La La 4_674 6_746 107.38(8) no
La La La 12_746 5_467 107.38(8) no
La La La 4_674 5_467 107.38(8) no
La La Mo 7_674 7_665 91.67(11) no
La La Mo 12_756 7_665 56.74(10) no
La La La 5_567 5_467 108.23(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 . 1.8975(73) no
O2 O1 1_655 2.638(8) no
O2 O2 3_654 3.1198(101) no
O2 O2 2_645 3.1198(96) no