The crystal structure described by CaMg2N2 crystallizes in the trigonal P-3m1 space group. Ca(1) is bonded to six equivalent N(1) atoms to form CaN6 octahedra that share corners with twelve equivalent Mg(1)N4 tetrahedra, edges with six equivalent Ca(1)N6 octahedra, and edges with six equivalent Mg(1)N4 tetrahedra. Mg(1) is bonded to four equivalent N(1) atoms to form MgN4 tetrahedra that share corners with six equivalent Ca(1)N6 octahedra, corners with six equivalent Mg(1)N4 tetrahedra, edges with three equivalent Ca(1)N6 octahedra, and edges with three equivalent Mg(1)N4 tetrahedra. The corner-sharing octahedral tilt angles range from 23-52°. N(1) is bonded in a 7-coordinate geometry to three equivalent Ca(1) and four equivalent Mg(1) atoms. is represented by the CIF file [CIF]
data_CaMg2N2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.537
_cell_length_b   3.537
_cell_length_c   6.059
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   65.627
_cell_formula_units_Z   1
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
  Ca  Ca0  1  0.000  0.000  0.500  1.0
  Mg  Mg1  1  0.333  0.667  0.860  1.0
  Mg  Mg2  1  0.667  0.333  0.140  1.0
  N  N3  1  0.333  0.667  0.233  1.0
  N  N4  1  0.667  0.333  0.767  1.0
[/CIF]
.
The crystal structure described by CaMg2N2 crystallizes in the trigonal P-3m1 space group. Ca(1) is bonded to six equivalent N(1) atoms to form CaN6 octahedra that share corners with twelve equivalent Mg(1)N4 tetrahedra, edges with six equivalent Ca(1)N6 octahedra, and edges with six equivalent Mg(1)N4 tetrahedra. Mg(1) is bonded to four equivalent N(1) atoms to form MgN4 tetrahedra that share corners with six equivalent Ca(1)N6 octahedra, corners with six equivalent Mg(1)N4 tetrahedra, edges with three equivalent Ca(1)N6 octahedra, and edges with three equivalent Mg(1)N4 tetrahedra. The corner-sharing octahedral tilt angles range from 23-52°. N(1) is bonded in a 7-coordinate geometry to three equivalent Ca(1) and four equivalent Mg(1) atoms. is represented by the CIF file [CIF]
data_CaMg2N2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.537
_cell_length_b   3.537
_cell_length_c   6.059
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   65.627
_cell_formula_units_Z   1
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
  Ca  Ca0  1  0.000  0.000  0.500  1.0
  Mg  Mg1  1  0.333  0.667  0.860  1.0
  Mg  Mg2  1  0.667  0.333  0.140  1.0
  N  N3  1  0.333  0.667  0.233  1.0
  N  N4  1  0.667  0.333  0.767  1.0
[/CIF]
.