data_LaMgAlZn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.0
_cell_length_b   5.0
_cell_length_c   5.0
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LaMgAlZn
_chemical_formula_sum   'La1 Mg1 Al1 Zn1'
_cell_volume   88.57
_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
  La  La1  1  0.77  0.77  0.77  1.0
  Mg  Mg2  1  0.0  0.0  0.0  1.0
  Al  Al0  1  0.31  0.31  0.31  1.0
  Zn  Zn3  1  0.54  0.54  0.54  1.0

data_LaMgAlZn
_symmetry_space_group_name_H-M   R3m
_cell_length_a   5.0
_cell_length_b   5.0
_cell_length_c   12.26
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   LaMgAlZn
_chemical_formula_sum   'La3 Mg3 Al3 Zn3'
_cell_volume   265.7
_cell_formula_units_Z   3
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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
  La  La0  3  0.0  0.0  0.23  1.0
  Mg  Mg1  3  0.0  0.0  0.0  1.0
  Al  Al2  3  0.0  0.0  0.69  1.0
  Zn  Zn3  3  0.0  0.0  0.46  1.0

La Mg Al Zn
La Mg Al Zn 0 1 + o + 0 1 o + + 0 1 + + o 0 1 + + + 0 3 o o o 0 3 o o + 0 3 + o o 0 3 o + o 0 2 o o + 0 2 o + o 0 2 + o o 1 3 - - o 1 3 - o - 1 3 o - - 1 2 - o o 1 2 o - o 1 2 o o - 2 3 o - o 2 3 - o o 2 3 o o - 2 3 o o o 
MgLaZnAl crystallizes in the trigonal R3m space group. Mg(1) is bonded in a 10-coordinate geometry to four equivalent La(1), three equivalent Zn(1), and three equivalent Al(1) atoms. There is one shorter (2.83 Å) and three longer (3.15 Å) Mg(1)-La(1) bond lengths. All Mg(1)-Zn(1) bond lengths are 3.29 Å. All Mg(1)-Al(1) bond lengths are 2.91 Å. La(1) is bonded in a 11-coordinate geometry to four equivalent Mg(1), four equivalent Zn(1), and three equivalent Al(1) atoms. There is one shorter (2.83 Å) and three longer (3.15 Å) La(1)-Zn(1) bond lengths. All La(1)-Al(1) bond lengths are 3.29 Å. Zn(1) is bonded in a 5-coordinate geometry to three equivalent Mg(1), four equivalent La(1), and one Al(1) atom. The Zn(1)-Al(1) bond length is 2.83 Å. Al(1) is bonded in a 7-coordinate geometry to three equivalent Mg(1), three equivalent La(1), and one Zn(1) atom.