data_2002647
_chemical_name_systematic          'Strontium dicobaltodivanadate'
_chemical_formula_structural       'Sr (Co2 V2 O8)'
_chemical_formula_sum              'Co2 O8 Sr V2'
_publ_section_title
;
Zur Kenntnis von Sr Co2 V2 O8 und Sr Co2 (As O4)2
;
loop_
_publ_author_name
  'Osterloh, D'
  'Mueller-Buschbaum, Hk'
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie,
Organische Chemie (42,1987-)
;
_journal_volume                    49
_journal_year                      1994
_journal_page_first                923
_journal_page_last                 926
_cell_length_a                     12.267(1)
_cell_length_b                     12.267(1)
_cell_length_c                     8.424(1)
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       1267.6
_cell_formula_units_Z              8
_symmetry_space_group_name_H-M     'I 41 c d'
_symmetry_Int_Tables_number        110
_symmetry_cell_setting             tetragonal
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,y,1/2+z'
  'y,1/2-x,1/4+z'
  'y,1/2+x,3/4+z'
  '-x,-y,z'
  'x,-y,1/2+z'
  '-y,1/2+x,1/4+z'
  '-y,1/2-x,3/4+z'
  '1/2+x,1/2+y,1/2+z'
  '1/2-x,1/2+y,z'
  '1/2+y,-x,3/4+z'
  '1/2+y,x,1/4+z'
  '1/2-x,1/2-y,1/2+z'
  '1/2+x,1/2-y,z'
  '1/2-y,x,3/4+z'
  '1/2-y,-x,1/4+z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Sr2+   2.000
  Co2+   2.000
  V5+    5.000
  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+   8 a 0. 0. 0. 1.  0 d
  Co1   Co2+  16 b 0.3292(5) 0.3335(5) 0.2212(4) 1.  0 d
  V1    V5+   16 b 0.2608(4) 0.0800(4) 0.0934(7) 1.  0 d
  O1    O2-   16 b 0.145(1) 0.501(1) 0.002(2) 1.  0 d
  O2    O2-   16 b 0.344(1) 0.668(1) 0.713(1) 1.  0 d
  O3    O2-   16 b 0.160(1) 0.684(1) 0.713(1) 1.  0 d
  O4    O2-   16 b 0.324(1) 0.498(1) 0.191(1) 1.  0 d
_refine_ls_R_factor_all            0.073