#------------------------------------------------------------------------------
#$Date: 2015-10-05 11:17:38 +0200 (lun 05 de oct de 2015) $
#$Revision: 159787 $
#$URL: svn://www.crystallography.net/cod/cif/7/22/24/7222415.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_7222415
loop_
_publ_author_name
'Armstrong, J.A.'
'Dann, S.E.'
'Neumann, K.'
'Marco, J.F.'
_publ_section_title
;
 Synthesis, structure and magnetic behaviour of the danalite family of
 minerals, Fe8 (Be Si O4)6 X2 (X = S, Se, Te)
;
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              1229
_journal_page_last               1233
_journal_volume                  13
_journal_year                    2003
_chemical_formula_sum            'Be6 Fe8 O24 Si6 Te2'
_chemical_name_systematic        'Fe8 (Be Si O4)6 Te2'
_space_group_IT_number           218
_symmetry_space_group_name_Hall  'P -4n 2 3'
_symmetry_space_group_name_H-M   'P -4 3 n'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   8.3685
_cell_length_b                   8.3685
_cell_length_c                   8.3685
_cell_volume                     586.061
_citation_journal_id_ASTM        JMACEP
_cod_data_source_file            Armstrong_JMACEP_2003_390.cif
_cod_data_source_block           Be6Fe8O24Si6Te2
_cod_database_code               7222415
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
y+1/2,-x+1/2,-z+1/2
-x,-y,z
-y+1/2,x+1/2,-z+1/2
x,-y,-z
-y+1/2,-x+1/2,z+1/2
-x,y,-z
y+1/2,x+1/2,z+1/2
z,x,y
x+1/2,-z+1/2,-y+1/2
-z,-x,y
-x+1/2,z+1/2,-y+1/2
z,-x,-y
-x+1/2,-z+1/2,y+1/2
-z,x,-y
x+1/2,z+1/2,y+1/2
y,z,x
y,-z,-x
-z+1/2,-y+1/2,x+1/2
-y,z,-x
z+1/2,y+1/2,x+1/2
-y,-z,x
-z+1/2,y+1/2,-x+1/2
z+1/2,-y+1/2,-x+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
O1 O-2 0.368 0.3564 -0.0669 1 0.0
Be1 Be+2 0.25 0.5 0 1 0.0
Fe1 Fe+2 0.1847 0.1847 0.1847 1 0.0
Si1 Si+4 0.25 0 0.5 1 0.0
Te1 Te-2 0 0 0 1 0.0
