#------------------------------------------------------------------------------
#$Date: 2014-07-11 17:35:18 +0300 (Fri, 11 Jul 2014) $
#$Revision: 120071 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/00/88/1008840.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_1008840
_chemical_name_systematic
;
Tetrasilver tetrahydrogen 14-oxotetraarsenate
;
_chemical_formula_structural       'Ag4 H4 As4 O14'
_chemical_formula_sum            'Ag4 As4 H4 O14'
_[local]_cod_chemical_formula_sum_orig 'H4 Ag4 As4 O14'
_publ_section_title
;
Structure cristalline de Ag4 H4 As4 O14: Un nouvel exemple d'anion As4
O14
;
loop_
_publ_author_name
  'Boudjada, A'
  'Averbuch-Pouchot, M T'
_journal_name_full                 'Journal of Solid State Chemistry'
_journal_coden_ASTM                JSSCBI
_journal_volume                    51
_journal_year                      1984
_journal_page_first                76
_journal_page_last                 82
_cell_length_a                     7.839(5)
_cell_length_b                     12.428(5)
_cell_length_c                     6.556(2)
_cell_angle_alpha                  90
_cell_angle_beta                   109.30(2)
_cell_angle_gamma                  90
_cell_volume                       602.8
_cell_formula_units_Z              2
_symmetry_space_group_name_H-M     'P 1 21/n 1'
_symmetry_Int_Tables_number        14
_symmetry_cell_setting             monoclinic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2+y,1/2-z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Ag1+   1.000
  As5+   5.000
  O2-   -2.000
  H1+    1.000
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
  Ag1   Ag1+   4 e 0.0229(1) 0.22146(9) 0.1322(1) 1.  0 d
  Ag2   Ag1+   4 e 0.1721(1) 0.54274(8) 0.2442(2) 1.  0 d
  As1   As5+   4 e 0.4414(1) 0.29249(8) 0.1147(1) 1.  0 d
  As2   As5+   4 e 0.6634(1) 0.50301(8) 0.1695(1) 1.  0 d
  O1    O2-    4 e 0.4313(9) 0.5530(6) 0.106(1) 1.  0 d
  O2    O2-    4 e 0.7221(10) 0.5628(6) 0.433(1) 1.  0 d
  O3    O2-    4 e 0.8831(9) 0.4534(7) 0.195(1) 1.  0 d
  O4    O2-    4 e 0.6068(9) 0.3759(6) 0.282(1) 1.  0 d
  O5    O2-    4 e 0.272(1) 0.3712(6) -0.053(1) 1.  0 d
  O6    O2-    4 e 0.522(1) 0.2097(6) -0.029(1) 1.  0 d
  O7    O2-    4 e 0.3503(10) 0.2306(6) 0.282(1) 1.  0 d
  H1    H1+    2 ? -1. -1. -1. 4.  0 dum
_refine_ls_R_factor_all            0.045
_cod_database_code 1008840
_journal_paper_doi 10.1016/0022-4596(84)90317-7