#------------------------------------------------------------------------------
#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/62/1526212.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_1526212
loop_
_publ_author_name
'Parasyuk, O.V.'
'Romanyuk, Ya.E.'
'Gulay, L.D.'
'Piskach, L.V.'
_publ_section_title
;
 Phase diagram of the Cu2 Ge Se3 - Zn Se system and crystal structure of
 the Cu2 Zn Ge Se4 compound
;
_journal_name_full               'Journal of Alloys Compd.'
_journal_page_first              202
_journal_page_last               207
_journal_volume                  329
_journal_year                    2001
_chemical_formula_sum            'Cu2 Ge Se4 Zn'
_chemical_name_systematic        'Cu2 Zn Ge Se4'
_space_group_IT_number           121
_symmetry_space_group_name_Hall  'I -4 2'
_symmetry_space_group_name_H-M   'I -4 2 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.61043
_cell_length_b                   5.61043
_cell_length_c                   11.0457
_cell_volume                     347.685
_citation_journal_id_ASTM        JALCEU
_cod_data_source_file            Parasyuk_JALCEU_2001_1336.cif
_cod_data_source_block           Cu2Ge1Se4Zn1
_cod_original_cell_volume        347.6846
_cod_original_formula_sum        'Cu2 Ge1 Se4 Zn1'
_cod_database_code               1526212
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
y,-x,-z
-x,-y,z
-y,x,-z
x,-y,-z
-y,-x,z
-x,y,-z
y,x,z
x+1/2,y+1/2,z+1/2
y+1/2,-x+1/2,-z+1/2
-x+1/2,-y+1/2,z+1/2
-y+1/2,x+1/2,-z+1/2
x+1/2,-y+1/2,-z+1/2
-y+1/2,-x+1/2,z+1/2
-x+1/2,y+1/2,-z+1/2
y+1/2,x+1/2,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
Cu1 Cu+1 0.5 0 0.25 1 0.0
Ge1 Ge+4 0 0 0.5 1 0.0
Zn1 Zn+2 0 0 0 1 0.0
Se1 Se-2 0.2557 0.2557 0.1237 1 0.0
