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#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/77/1527757.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_1527757
loop_
_publ_author_name
'Marchand, R.'
'l'Haridon, P.'
'Laurent, Y.'
_publ_section_title
;
 Structure cristalline de Eu2(II) Si O4 beta
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              71
_journal_page_last               76
_journal_volume                  24
_journal_year                    1978
_chemical_formula_sum            'Eu2 O4 Si'
_chemical_name_systematic        'Eu2 (Si O4)'
_space_group_IT_number           62
_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                   7.137
_cell_length_b                   5.665
_cell_length_c                   9.767
_cell_volume                     394.891
_citation_journal_id_ASTM        JSSCBI
_cod_data_source_file            Marchand_JSSCBI_1978_1242.cif
_cod_data_source_block           Eu2O4Si1
_cod_original_cell_volume        394.8906
_cod_original_formula_sum        'Eu2 O4 Si1'
_cod_database_code               1527757
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,-y,z+1/2
x+1/2,-y+1/2,-z+1/2
-x,y+1/2,-z
-x,-y,-z
x-1/2,y,-z-1/2
-x-1/2,y-1/2,z-1/2
x,-y-1/2,z
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
Eu2 Eu+2 0.0008 0.25 -0.3023 1 0.0
O2 O-2 0.315 0.25 -0.433 1 0.0
Eu1 Eu+2 0.6593 0.25 0.4203 1 0.0
O3 O-2 0.295 0.017 0.338 1 0.0
Si1 Si+4 0.2211 0.25 0.4175 1 0.0
O1 O-2 -0.001 0.25 0.43 1 0.0
