#------------------------------------------------------------------------------
#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/64/1536454.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_1536454
loop_
_publ_author_name
'Dion, M.'
'Ganne, M.'
'Tournoux, M.'
'Ravez, J.'
_publ_section_title
;
 Cs Eu Na Nb5 O15: Premier membre d'une nouvelle famille ferroelectrique
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              422
_journal_page_last               429
_journal_volume                  53
_journal_year                    1984
_chemical_formula_sum            'Cs Eu Na Nb5 O15'
_chemical_name_systematic        'Cs Eu Na (Nb5 O15)'
_space_group_IT_number           26
_symmetry_space_group_name_Hall  'P 2c -2'
_symmetry_space_group_name_H-M   'P m c 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.623
_cell_length_b                   10.479
_cell_length_c                   7.855
_cell_volume                     627.469
_citation_journal_id_ASTM        JSSCBI
_cod_data_source_file            Dion_JSSCBI_1984_642.cif
_cod_data_source_block           Cs1Eu1Na1Nb5O15
_cod_original_cell_volume        627.4686
_cod_original_formula_sum        'Cs1 Eu1 Na1 Nb5 O15'
_cod_database_code               1536454
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z+1/2
-x,y,z
x,-y,z+1/2
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_U_iso_or_equiv
O3 O-2 0.27 0.1638 0.7231 1 0.0
O6 O-2 0.5 0.1396 0.4451 1 0.0
Cs1 Cs+1 0 0.50247 0.2268 1 0.0
Na1 Na+1 0 0.01695 0.72055 0.25 0.0
O9 O-2 0.1892 0 -0.0246 1 0.0
Na2 Na+1 0.5 -0.0072 0.2215 0.75 0.0
O1 O-2 0.305 0.3694 -0.0168 1 0.0
O8 O-2 0 0.2212 0.514 1 0.0
O5 O-2 0.5 0.1404 -0.003 1 0.0
Eu2 Eu+3 0.5 -0.0072 0.2215 0.25 0.0
Eu1 Eu+3 0 0.01695 0.72055 0.75 0.0
O7 O-2 0 0.2214 -0.065 1 0.0
Nb3 Nb+5 0.25281 0.19408 -0.02618 1 0.0
Nb2 Nb+5 0.25288 0.19436 0.4699 1 0.0
O4 O-2 0.2102 0.1728 0.2212 1 0.0
Nb1 Nb+5 0.5 0.50065 0 1 0.0
O10 O-2 0.5 0.5052 0.228 1 0.0
O2 O-2 0.315 0.3673 0.4725 1 0.0
