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#$Date: 2015-07-07 16:15:23 +0300 (Tue, 07 Jul 2015) $
#$Revision: 140863 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/52/11/1521186.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_1521186
loop_
_publ_author_name
'Huang, F.Q.'
'Ibers, J.A.'
_publ_section_title
;
 Syntheses and structures of the new quaternary rubidium selenides Rb Ln2
 Cu Se4 (Ln = Sm, Gd, Dy), Rb1.5 Ln2 Cu2.5 Se5 (Ln = Gd, Dy),and Rb Sm2
 Ag3 Se5
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              317
_journal_page_last               322
_journal_volume                  151
_journal_year                    2000
_chemical_formula_sum            'Cu Gd2 Rb Se4'
_chemical_name_systematic        'Rb Gd2 Cu Se4'
_space_group_IT_number           63
_symmetry_space_group_name_Hall  '-C 2c 2'
_symmetry_space_group_name_H-M   'C m c m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.1568
_cell_length_b                   14.227
_cell_length_c                   14.409
_cell_volume                     852.131
_citation_journal_id_ASTM        JSSCBI
_cod_data_source_file            Huang_JSSCBI_2000_1874.cif
_cod_data_source_block           Cu1Gd2Rb1Se4
_cod_original_cell_volume        852.1309
_cod_chemical_formula_sum_orig   'Cu1 Gd2 Rb1 Se4'
_cod_database_code               1521186
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z+1/2
x,-y,-z
-x,y,-z+1/2
-x,-y,-z
x,y,-z-1/2
-x,y,z
x,-y,z-1/2
x+1/2,y+1/2,z
-x+1/2,-y+1/2,z+1/2
x+1/2,-y+1/2,-z
-x+1/2,y+1/2,-z+1/2
-x+1/2,-y+1/2,-z
x+1/2,y+1/2,-z-1/2
-x+1/2,y+1/2,z
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
Rb1 Rb+1 0 0.10992 0.25 1 0.0
Cu1 Cu+1 0 0.83736 0.25 1 0.0
Se3 Se-2 0 0 0 1 0.0
Gd1 Gd+3 0 0.36565 0.06311 1 0.0
Se2 Se-2 0 0.43027 0.25 1 0.0
Se1 Se-2 0 0.26354 0.61072 1 0.0