data_1001561
_chemical_name_systematic
;
Tricalcium ditin(IV) silicon digallium oxide
;
_chemical_formula_structural       'Ca3 Sn2 Si Ga2 O12'
_chemical_formula_sum              'Ca3 Ga2 O12 Si Sn2'
_publ_section_title
;
Solid solutions Ca~3~Sn~2+x~Si(Ge)~1-x~Ga~2~O~12~ (0<x<0.95) and
tetrahedral coordination of Sn^4+^ in the garnet structure
;
loop_
_publ_author_name
  'Rulmont, A'
  'Tarte, P'
  'Cartie, B'
  'Choisnet, J'
_journal_name_full                 'Journal of Solid State Chemistry'
_journal_coden_ASTM                JSSCBI
_journal_volume                    104
_journal_year                      1993
_journal_page_first                165
_journal_page_last                 176
_cell_length_a                     12.485
_cell_length_b                     12.485
_cell_length_c                     12.485
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       1946.1
_cell_formula_units_Z              8
_symmetry_space_group_name_H-M     'I a -3 d'
_symmetry_Int_Tables_number        230
_symmetry_cell_setting             cubic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2-y,-z'
  '-x,1/2+y,1/2-z'
  '1/2-x,-y,1/2+z'
  'y,z,x'
  '1/2-y,-z,1/2+x'
  '1/2+y,1/2-z,-x'
  '-y,1/2+z,1/2-x'
  'z,x,y'
  '-z,1/2+x,1/2-y'
  '1/2-z,-x,1/2+y'
  '1/2+z,1/2-x,-y'
  '-x,-y,-z'
  '1/2-x,1/2+y,z'
  'x,1/2-y,1/2+z'
  '1/2+x,y,1/2-z'
  '-y,-z,-x'
  '1/2+y,z,1/2-x'
  '1/2-y,1/2+z,x'
  'y,1/2-z,1/2+x'
  '-z,-x,-y'
  'z,1/2-x,1/2+y'
  '1/2+z,x,1/2-y'
  '1/2-z,1/2+x,y'
  '1/4+x,1/4+z,1/4+y'
  '3/4+x,1/4-z,3/4-y'
  '1/4-x,3/4-z,3/4+y'
  '3/4-x,3/4+z,1/4-y'
  '1/4+y,1/4+x,1/4+z'
  '3/4-y,3/4+x,1/4-z'
  '3/4+y,1/4-x,3/4-z'
  '1/4-y,3/4-x,3/4+z'
  '1/4+z,1/4+y,1/4+x'
  '1/4-z,3/4-y,3/4+x'
  '3/4-z,3/4+y,1/4-x'
  '3/4+z,1/4-y,3/4-x'
  '1/4-x,1/4-z,1/4-y'
  '3/4-x,1/4+z,3/4+y'
  '1/4+x,3/4+z,3/4-y'
  '3/4+x,3/4-z,1/4+y'
  '1/4-y,1/4-x,1/4-z'
  '3/4+y,3/4-x,1/4+z'
  '3/4-y,1/4+x,3/4+z'
  '1/4+y,3/4+x,3/4-z'
  '1/4-z,1/4-y,1/4-x'
  '1/4+z,3/4+y,3/4-x'
  '3/4+z,3/4-y,1/4+x'
  '3/4-z,1/4+y,3/4+x'
  '1/2+x,1/2+y,1/2+z'
  'x,-y,1/2-z'
  '1/2-x,y,-z'
  '-x,1/2-y,z'
  '1/2+y,1/2+z,1/2+x'
  '-y,1/2-z,x'
  'y,-z,1/2-x'
  '1/2-y,z,-x'
  '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-x,1/2-y,1/2-z'
  '-x,y,1/2+z'
  '1/2+x,-y,z'
  'x,1/2+y,-z'
  '1/2-y,1/2-z,1/2-x'
  'y,1/2+z,-x'
  '-y,z,1/2+x'
  '1/2+y,-z,x'
  '1/2-z,1/2-x,1/2-y'
  '1/2+z,-x,y'
  'z,1/2+x,-y'
  '-z,x,1/2+y'
  '3/4+x,3/4+z,3/4+y'
  '1/4+x,3/4-z,1/4-y'
  '3/4-x,1/4-z,1/4+y'
  '1/4-x,1/4+z,3/4-y'
  '3/4+y,3/4+x,3/4+z'
  '1/4-y,1/4+x,3/4-z'
  '1/4+y,3/4-x,1/4-z'
  '3/4-y,1/4-x,1/4+z'
  '3/4+z,3/4+y,3/4+x'
  '3/4-z,1/4-y,1/4+x'
  '1/4-z,1/4+y,3/4-x'
  '1/4+z,3/4-y,1/4-x'
  '3/4-x,3/4-z,3/4-y'
  '1/4-x,3/4+z,1/4+y'
  '3/4+x,1/4+z,1/4-y'
  '1/4+x,1/4-z,3/4+y'
  '3/4-y,3/4-x,3/4-z'
  '1/4+y,1/4-x,3/4+z'
  '1/4-y,3/4+x,1/4+z'
  '3/4+y,1/4+x,1/4-z'
  '3/4-z,3/4-y,3/4-x'
  '3/4+z,1/4+y,1/4-x'
  '1/4+z,1/4-y,3/4+x'
  '1/4-z,3/4+y,1/4+x'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Ca2+   2.000
  Sn4+   4.000
  Ga3+   3.000
  Si4+   4.000
  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
  Ca1   Ca2+  24 c 0.125 0. 0.25 1.  0 d
  Sn1   Sn4+  16 a 0. 0. 0. 1.  0 d
  Ga1   Ga3+  24 d 0.375 0. 0.25 0.6667  0 d
  Si1   Si4+  24 d 0.375 0. 0.25 0.3333  0 d
  O1    O2-   96 h 0.962(1) 0.050(1) 0.157(1) 1.  0 d
_refine_ls_R_factor_all            0.04