data_global
_amcsd_formula_title 'La2 Mg O6 Pt'
loop_
_publ_author_name
'Ouchetto K'
'Archaimbault F'
'Choisnet J'
'Et-Tabirou M'
_journal_name_full 'Materials Chemistry and Physics'
_journal_volume 51 
_journal_year 1997
_journal_page_first 117
_journal_page_last 124
_publ_section_title
;
 New ordered and distorted perovskites: the mixed platinates Ln2 M Pt O6
 (Ln = La, Pr, Nd, Sm, Eu, Gd; M = Mg, Co, Ni, Zn)
 _cod_database_code 1001823
;
_database_code_amcsd 0014210
_chemical_formula_sum 'La (Mg.5 Pt.5) O3'
_cell_length_a 5.5919
_cell_length_b 5.6277
_cell_length_c 7.9140
_cell_angle_alpha 90
_cell_angle_beta 90.
_cell_angle_gamma 90
_cell_volume 249.050
_exptl_crystal_density_diffrn      7.910
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
La1   0.50620   0.53960   0.24930   1.00000
Mg1   0.50000   0.00000   0.00000   0.99750
Pt1   0.50000   0.00000   0.00000   0.00250
Mg2   0.00000   0.50000   0.00000   0.00250
Pt2   0.00000   0.50000   0.00000   0.99750
O1   0.19700   0.21100   0.93700   1.00000
O2   0.28600   0.70100   0.93800   1.00000
O3   0.39800   0.98100   0.25700   1.00000