data_global
_amcsd_formula_title 'CdMg(CO3)2'
loop_
_publ_author_name
'Graf D L'
_journal_name_full 'American Mineralogist'
_journal_volume 46
_journal_year 1961
_journal_page_first 1283
_journal_page_last 1316
_publ_section_title
;
 Crystallographic tables for the rhombohedral carbonates
;
_database_code_amcsd 109
_chemical_formula_sum 'Cd Mg C2 O6'
_cell_length_a 4.777
_cell_length_b 4.777
_cell_length_c 15.641
_cell_angle_alpha 90.0
_cell_angle_beta 90.0
_cell_angle_gamma 120.0
_cell_volume 309.105
_exptl_crystal_density_diffrn  4.138
_symmetry_space_group_name_H-M 'R -3 '
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'y,-x+y,-z'
  '2/3+y,1/3-x+y,1/3-z'
  '1/3+y,2/3-x+y,2/3-z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
  '-x,-y,-z'
  '2/3-x,1/3-y,1/3-z'
  '1/3-x,2/3-y,2/3-z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  'x-y,x,-z'
  '2/3+x-y,1/3+x,1/3-z'
  '1/3+x-y,2/3+x,2/3-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Cd   0.0  0.0  0.0
Mg   0.0  0.0  0.5
C   0.0  0.0  0.2435
O   0.4829  -0.0298  0.2789