The compound described by Mg2Pt crystallizes in the tetragonal I4/mcm space group. Mg(1) is bonded in a 4-coordinate geometry to four equivalent Pt(1) atoms. Pt(1) is bonded in a 8-coordinate geometry to eight equivalent Mg(1) atoms. is represented by the CIF file [CIF]
data_Mg2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.272
_cell_length_b   5.272
_cell_length_c   5.272
_cell_angle_alpha   106.580
_cell_angle_beta   106.580
_cell_angle_gamma   115.423
_symmetry_Int_Tables_number   1
_cell_volume   111.903
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Mg  Mg0  1  0.819  0.681  0.500  1.0
  Mg  Mg1  1  0.681  0.181  0.862  1.0
  Mg  Mg2  1  0.181  0.319  0.500  1.0
  Mg  Mg3  1  0.319  0.819  0.138  1.0
  Pt  Pt4  1  0.750  0.750  0.000  1.0
  Pt  Pt5  1  0.250  0.250  0.000  1.0
[/CIF]
.
The compound described by Mg2Pt crystallizes in the tetragonal I4/mcm space group. Mg(1) is bonded in a 4-coordinate geometry to four equivalent Pt(1) atoms. Pt(1) is bonded in a 8-coordinate geometry to eight equivalent Mg(1) atoms. is represented by the CIF file [CIF]
data_Mg2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.272
_cell_length_b   5.272
_cell_length_c   5.272
_cell_angle_alpha   106.580
_cell_angle_beta   106.580
_cell_angle_gamma   115.423
_symmetry_Int_Tables_number   1
_cell_volume   111.903
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Mg  Mg0  1  0.819  0.681  0.500  1.0
  Mg  Mg1  1  0.681  0.181  0.862  1.0
  Mg  Mg2  1  0.181  0.319  0.500  1.0
  Mg  Mg3  1  0.319  0.819  0.138  1.0
  Pt  Pt4  1  0.750  0.750  0.000  1.0
  Pt  Pt5  1  0.250  0.250  0.000  1.0
[/CIF]
.