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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/2/10/69/2106935.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2106935
loop_
_publ_author_name
'Petricek, V.'
'Cisarova, I.'
'de Boer, J.L.'
'van Smaalen, S.'
'Meetsma, A.'
'Zhou, W.'
'Wiegers, A.'
_publ_section_title
;
 The modulated structure of the commensurate misfit-layer (Bi Se)1.09 Ta
 Se2
;
_journal_name_full               'Acta Crystallographica B (39,1983-)'
_journal_page_first              258
_journal_page_last               266
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'Bi Se'
_chemical_name_systematic        '((Bi Se)1.09 Ta Se2).917'
_space_group_IT_number           25
_symmetry_space_group_name_Hall  'P -2 -2'
_symmetry_space_group_name_H-M   'P m 2 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   3.135
_cell_length_b                   2.984
_cell_length_c                   12.174
_cell_volume                     113.886
_citation_journal_id_ASTM        ASBSDK
_cod_data_source_file            Petricek_ASBSDK_1993_785.cif
_cod_data_source_block           Bi1Se1
_cod_original_cell_volume        113.8858
_cod_original_sg_symbol_Hall     'P 2 -2 (y,z,x)'
_cod_original_formula_sum        'Bi1 Se1'
_cod_database_code               2106935
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,y,-z
x,y,-z
-x,y,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
Bi1 Bi+3 0 0.081 0.62614 0.5 0.0
Se2 Se-2 0 0.085 0.6022 0.5 0.0
