#------------------------------------------------------------------------------
#$Date: 2025-08-18 17:14:33 +0200 (Mon, 18 Aug 2025) $
#$Revision: 301778 $
#$URL: svn://saulius.grazulis.lt/cod-secondary/cif/1/53/66/1536638.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_1536638
loop_
_publ_author_name
'Pocha, R.'
'Tampier, M.'
'Poettgen, R.'
'Mosel, B.D.'
'Hoffmann, R.D.'
'Johrendt, D.'
_publ_section_title
;
 Crystal structures and properties of the thiostannates Eu2 Sn S4 and Sr2
 Sn S4 and the selenogermanate gamma-(Sr2 Ge Se4)
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              1379
_journal_page_last               1384
_journal_volume                  629
_journal_year                    2003
_chemical_formula_sum            'Ge Se4 Sr2'
_chemical_name_systematic        'Sr2 (Ge Se4)'
_space_group_IT_number           40
_symmetry_space_group_name_Hall  'A 2 -2a'
_symmetry_space_group_name_H-M   'A m a 2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.284
_cell_length_b                   10.543
_cell_length_c                   7.411
_cell_volume                     803.532
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Pocha_ZAACAB_2003_984.cif
_cod_data_source_block           Ge1Se4Sr2
_cod_original_cell_volume        803.5319
_cod_original_formula_sum        'Ge1 Se4 Sr2'
_cod_database_code               1536638
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z
-x+1/2,y,z
x+1/2,-y,z
x,y+1/2,z+1/2
-x,-y+1/2,z+1/2
-x+1/2,y+1/2,z+1/2
x+1/2,-y+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
Se1 Se-2 0.5619 0.2182 0.3579 1 0.0
Sr2 Sr+2 0.25 0.1896 0.5521 1 0.0
Se3 Se-2 0.25 0.4297 0.266 1 0.0
Ge1 Ge+4 0.25 0.2745 0.0377 1 0.0
Se2 Se-2 0.25 0.0762 0.1883 1 0.0
Sr1 Sr+2 0 0 0 1 0.0
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139047249
