The compound described by MgO is Wurtzite structured and crystallizes in the hexagonal P6_3mc space group. Mg(1) is bonded to four equivalent O(1) atoms to form corner-sharing MgO4 tetrahedra. O(1) is bonded to four equivalent Mg(1) atoms to form corner-sharing OMg4 tetrahedra. is represented by the CIF file [CIF]
data_MgO
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.308
_cell_length_b   3.308
_cell_length_c   4.983
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   47.216
_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  0.333  0.667  0.002  1.0
  Mg  Mg1  1  0.667  0.333  0.502  1.0
  O  O2  1  0.333  0.667  0.402  1.0
  O  O3  1  0.667  0.333  0.902  1.0
[/CIF]
.
The compound described by MgO is Wurtzite structured and crystallizes in the hexagonal P6_3mc space group. Mg(1) is bonded to four equivalent O(1) atoms to form corner-sharing MgO4 tetrahedra. O(1) is bonded to four equivalent Mg(1) atoms to form corner-sharing OMg4 tetrahedra. is represented by the CIF file [CIF]
data_MgO
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.308
_cell_length_b   3.308
_cell_length_c   4.983
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   47.216
_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  0.333  0.667  0.002  1.0
  Mg  Mg1  1  0.667  0.333  0.502  1.0
  O  O2  1  0.333  0.667  0.402  1.0
  O  O3  1  0.667  0.333  0.902  1.0
[/CIF]
.