data_1010629
_chemical_name_systematic          'Dipotassium dioxoosmium(VI) chloride'
_chemical_formula_structural       'K2 Os O2 Cl4'
_chemical_formula_sum              'Cl4 K2 O2 Os'
_publ_section_title
;
The crystal structure of potassium osmyl chloride K~2~ Os O~2~ Cl~4~
;
loop_
_publ_author_name
  'Hoard, J L'
  'Grenko, J D'
_journal_name_full
;
Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik,
Kristallchemie (-144,1977)
;
_journal_coden_ASTM                ZEKGAX
_journal_volume                    87
_journal_year                      1934
_journal_page_first                100
_journal_page_last                 109
_cell_length_a                     6.99
_cell_length_b                     6.99
_cell_length_c                     8.75
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       427.5
_cell_formula_units_Z              2
_symmetry_space_group_name_H-M     'I 4/m m m'
_symmetry_Int_Tables_number        139
_symmetry_cell_setting             tetragonal
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,-y,z'
  '-x,y,z'
  'x,-y,z'
  '-y,x,z'
  'y,-x,z'
  'y,x,z'
  '-y,-x,z'
  '-x,-y,-z'
  'x,y,-z'
  'x,-y,-z'
  '-x,y,-z'
  'y,-x,-z'
  '-y,x,-z'
  '-y,-x,-z'
  'y,x,-z'
  '1/2+x,1/2+y,1/2+z'
  '1/2-x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-y,1/2+x,1/2+z'
  '1/2+y,1/2-x,1/2+z'
  '1/2+y,1/2+x,1/2+z'
  '1/2-y,1/2-x,1/2+z'
  '1/2-x,1/2-y,1/2-z'
  '1/2+x,1/2+y,1/2-z'
  '1/2+x,1/2-y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '1/2+y,1/2-x,1/2-z'
  '1/2-y,1/2+x,1/2-z'
  '1/2-y,1/2-x,1/2-z'
  '1/2+y,1/2+x,1/2-z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Os6+   6.000
  O2-   -2.000
  K1+    1.000
  Cl1-  -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
  Os1   Os6+   2 a 0. 0. 0. 1.  0 d
  O1    O2-    4 e 0. 0. 0.212(10) 1.  0 d
  K1    K1+    4 d 0. 0.5 0.25 1.  0 d
  Cl1   Cl1-   8 h 0.230(5) 0.230(5) 0. 1.  0 d