data_9000106
_publ_section_title
;
 Crystallographic tables for the rhombohedral carbonates
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1283
_journal_page_last               1316
_journal_volume                  46
_journal_year                    1961
_chemical_formula_structural     'CdMg (C O3)2'
_chemical_formula_sum            'C2 Cd Mg O6'
_space_group_IT_number           148
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   4.777
_cell_length_b                   4.777
_cell_length_c                   15.641
_cell_volume                     309.105
_exptl_crystal_density_diffrn    4.138
_[local]_cod_cif_authors_sg_H-M  'R -3'
_[local]_cod_chemical_formula_sum_orig 'Cd Mg C2 O6'
_cod_database_code               9000106
loop_
_symmetry_equiv_pos_as_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 0.00000 0.00000 0.00000
Mg 0.00000 0.00000 0.50000
C 0.00000 0.00000 0.24350
O 0.48290 -0.02980 0.27890
