#------------------------------------------------------------------------------
#$Date: 2018-10-02 03:20:39 +0300 (Tue, 02 Oct 2018) $
#$Revision: 211267 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/54/99/1549993.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_1549993
loop_
_publ_author_name
'Hinatsu, Y.'
'Doi, Y.'
_publ_section_title
;
 Phase transitions of Sm3NbO7, (Sm1-xLnx)3NbO7 (Ln=Nd,Eu) and Sm3TaO7 with
 fluorite-related structure : structure at 1473 K
;
_journal_name_full               'Journal of the Ceramic Society of Japan'
_journal_page_first              743
_journal_page_last               749
_journal_volume                  126
_journal_year                    2018
_chemical_formula_sum            'Eu0.6 Nb O7 Sm2.4'
_chemical_name_common            '(Sm0.8Eu0.2)NbO7 at 1473 K'
_space_group_IT_number           62
_space_group_name_H-M_alt        'P n m a'
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.6451(2)
_cell_length_b                   10.8612(4)
_cell_length_c                   7.5613(3)
_cell_volume                     627.85(4)
_diffrn_ambient_temperature      1473
_cod_data_source_file            SmEu3NbO7-1473K.cif
_cod_data_source_block           SmEu3NbO7-1473K
_cod_original_formula_sum        'Sm2.4 Eu0.6 Nb1 O7'
_cod_database_code               1549993
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, -y, -z'
'-x+1/2, -y, z+1/2'
'x+1/2, y, -z+1/2'
'-x, y+1/2, -z'
'x, -y+1/2, z'
'x+1/2, -y+1/2, -z+1/2'
'-x+1/2, y+1/2, z+1/2'
loop_
_atom_site_label
_atom_site_occupancy
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_adp_type
_atom_site_B_iso_or_equiv
_atom_site_type_symbol
Sm1 0.8 0.9927(3) 0.250000 0.7439(13) Biso 1.78(5) Sm
Eu1 0.2 0.9927(3) 0.250000 0.7439(13) Biso 1.78(5) Eu
Sm2 0.8 0.2494(1) 0.4815(2) 0.4611(3) Biso 1.78 Sm
Eu2 0.2 0.2494(1) 0.4815(2) 0.4611(3) Biso 1.78 Eu
Nb 1.0 0.0026(17) 0.250000 0.2415(18) Biso 1.27(14) Nb
O1 1.0 0.984(4) 0.350(3) 0.463(4) Biso 1.30(30) O
O2 1.0 0.956(2) 0.876(3) 0.940(4) Biso 1.30 O
O3 1.0 0.245(7) 0.394(12) 0.725(3) Biso 1.30 O
O4 1.0 0.200(6) 0.250000 0.307(3) Biso 1.30 O
