#------------------------------------------------------------------------------
#$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $
#$Revision: 19 $
#$URL: svn://www.crystallography.net/cod/cif/2/2002231.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_2002231
_chemical_name_systematic          'Strontium tetraoxohexaargentate(I)'
_chemical_formula_structural       'Sr (Ag6 O4)'
_chemical_formula_sum              'Ag6 O4 Sr'
_publ_section_title                'Strontiumargentat Sr Ag6 O4'
loop_
_publ_author_name
  'Keller, H L'
  'Mueller-Buschbaum, Hk'
_journal_name_full
;
Zeitschrift fuer Anorganische und Allgemeine Chemie
;
_journal_volume                    393
_journal_year                      1972
_journal_page_first                266
_journal_page_last                 274
_cell_length_a                     6.518
_cell_length_b                     12.416
_cell_length_c                     8.909
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       721.0
_cell_formula_units_Z              4
_symmetry_space_group_name_H-M     'P n n a'
_symmetry_Int_Tables_number        52
_symmetry_cell_setting             orthorhombic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2-x,-y,z'
  'x,1/2-y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
  '1/2+x,y,-z'
  '-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Sr2+   2.000
  Ag1+   1.000
  O2-   -2.000
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
  Sr1   Sr2+   4 c 0.25 0. 0.618 1.  0 d
  Ag1   Ag1+   4 a 0. 0. 0. 1.  0 d
  Ag2   Ag1+   8 e 0.204 0.122 0.263 1.  0 d
  Ag3   Ag1+   8 e 0.923 0.239 0.038 1.  0 d
  Ag4   Ag1+   4 d 0.598 0.25 0.25 1.  0 d
  O1    O2-    8 e 0.453 0.12 0.416 1.  0 d
  O2    O2-    8 e 0.9 0.103 0.17 1.  0 d