The crystal structure described by LiMg2 crystallizes in the orthorhombic Cmcm space group. Li(1) is bonded to two equivalent Li(1) and ten equivalent Mg(1) atoms to form distorted LiLi2Mg10 cuboctahedra that share corners with eighteen equivalent Mg(1)Li5Mg7 cuboctahedra, edges with eight equivalent Mg(1)Li5Mg7 cuboctahedra, edges with ten equivalent Li(1)Li2Mg10 cuboctahedra, faces with six equivalent Li(1)Li2Mg10 cuboctahedra, and faces with fourteen equivalent Mg(1)Li5Mg7 cuboctahedra. Mg(1) is bonded to five equivalent Li(1) and seven equivalent Mg(1) atoms to form distorted MgLi5Mg7 cuboctahedra that share corners with nine equivalent Li(1)Li2Mg10 cuboctahedra, corners with nine equivalent Mg(1)Li5Mg7 cuboctahedra, edges with four equivalent Li(1)Li2Mg10 cuboctahedra, edges with fourteen equivalent Mg(1)Li5Mg7 cuboctahedra, faces with seven equivalent Li(1)Li2Mg10 cuboctahedra, and faces with thirteen equivalent Mg(1)Li5Mg7 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_LiMg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.401
_cell_length_b   5.401
_cell_length_c   5.052
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.354
_symmetry_Int_Tables_number   1
_cell_volume   127.162
_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
  Li  Li0  1  0.667  0.667  0.750  1.0
  Li  Li1  1  0.333  0.333  0.250  1.0
  Mg  Mg2  1  0.006  0.334  0.750  1.0
  Mg  Mg3  1  0.334  0.006  0.750  1.0
  Mg  Mg4  1  0.666  0.994  0.250  1.0
  Mg  Mg5  1  0.994  0.666  0.250  1.0
[/CIF]
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The crystal structure described by LiMg2 crystallizes in the orthorhombic Cmcm space group. Li(1) is bonded to two equivalent Li(1) and ten equivalent Mg(1) atoms to form distorted LiLi2Mg10 cuboctahedra that share corners with eighteen equivalent Mg(1)Li5Mg7 cuboctahedra, edges with eight equivalent Mg(1)Li5Mg7 cuboctahedra, edges with ten equivalent Li(1)Li2Mg10 cuboctahedra, faces with six equivalent Li(1)Li2Mg10 cuboctahedra, and faces with fourteen equivalent Mg(1)Li5Mg7 cuboctahedra. Mg(1) is bonded to five equivalent Li(1) and seven equivalent Mg(1) atoms to form distorted MgLi5Mg7 cuboctahedra that share corners with nine equivalent Li(1)Li2Mg10 cuboctahedra, corners with nine equivalent Mg(1)Li5Mg7 cuboctahedra, edges with four equivalent Li(1)Li2Mg10 cuboctahedra, edges with fourteen equivalent Mg(1)Li5Mg7 cuboctahedra, faces with seven equivalent Li(1)Li2Mg10 cuboctahedra, and faces with thirteen equivalent Mg(1)Li5Mg7 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_LiMg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.401
_cell_length_b   5.401
_cell_length_c   5.052
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.354
_symmetry_Int_Tables_number   1
_cell_volume   127.162
_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
  Li  Li0  1  0.667  0.667  0.750  1.0
  Li  Li1  1  0.333  0.333  0.250  1.0
  Mg  Mg2  1  0.006  0.334  0.750  1.0
  Mg  Mg3  1  0.334  0.006  0.750  1.0
  Mg  Mg4  1  0.666  0.994  0.250  1.0
  Mg  Mg5  1  0.994  0.666  0.250  1.0
[/CIF]
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