The structure described by LiZnAsO4 crystallizes in the trigonal R3 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(6), and one O(7) atom to form LiO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra, corners with two equivalent Zn(2)O4 tetrahedra, corners with two equivalent As(1)O4 tetrahedra, and corners with two equivalent As(2)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(3), one O(4), one O(5), and one O(8) atom to form LiO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra, corners with two equivalent Zn(2)O4 tetrahedra, corners with two equivalent As(1)O4 tetrahedra, and corners with two equivalent As(2)O4 tetrahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(5), one O(7), and one O(8) atom to form ZnO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent As(1)O4 tetrahedra, and corners with two equivalent As(2)O4 tetrahedra. In the second Zn site, Zn(2) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form ZnO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent As(1)O4 tetrahedra, and corners with two equivalent As(2)O4 tetrahedra. There are two inequivalent As sites. In the first As site, As(1) is bonded to one O(1), one O(4), one O(5), and one O(6) atom to form AsO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. In the second As site, As(2) is bonded to one O(2), one O(3), one O(7), and one O(8) atom to form AsO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(5) is bonded in a trigonal planar geometry to one Li(2), one Zn(1), and one As(1) atom. In the second O site, O(6) is bonded in a trigonal planar geometry to one Li(1), one Zn(2), and one As(1) atom. In the third O site, O(7) is bonded in a trigonal planar geometry to one Li(1), one Zn(1), and one As(2) atom. In the fourth O site, O(8) is bonded in a trigonal planar geometry to one Li(2), one Zn(1), and one As(2) atom. In the fifth O site, O(1) is bonded in a trigonal planar geometry to one Li(1), one Zn(1), and one As(1) atom. In the sixth O site, O(2) is bonded in a trigonal planar geometry to one Li(1), one Zn(2), and one As(2) atom. In the seventh O site, O(3) is bonded in a trigonal planar geometry to one Li(2), one Zn(2), and one As(2) atom. In the eighth O site, O(4) is bonded in a trigonal planar geometry to one Li(2), one Zn(2), and one As(1) atom. is represented by the CIF card [CIF]
data_LiZnAsO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.865
_cell_length_b   8.865
_cell_length_c   8.865
_cell_angle_alpha   107.852
_cell_angle_beta   107.852
_cell_angle_gamma   107.852
_symmetry_Int_Tables_number   1
_cell_volume   566.265
_cell_formula_units_Z   6
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  0.067  0.666  0.841  1.0
  Li  Li1  1  0.381  0.147  0.551  1.0
  Li  Li2  1  0.147  0.551  0.381  1.0
  Li  Li3  1  0.551  0.381  0.147  1.0
  Li  Li4  1  0.666  0.841  0.067  1.0
  Li  Li5  1  0.841  0.067  0.666  1.0
  Zn  Zn6  1  0.740  0.335  0.505  1.0
  Zn  Zn7  1  0.335  0.505  0.740  1.0
  Zn  Zn8  1  0.505  0.740  0.335  1.0
  Zn  Zn9  1  0.043  0.818  0.219  1.0
  Zn  Zn10  1  0.818  0.219  0.043  1.0
  Zn  Zn11  1  0.219  0.043  0.818  1.0
  As  As12  1  0.888  0.709  0.480  1.0
  As  As13  1  0.709  0.480  0.888  1.0
  As  As14  1  0.480  0.888  0.709  1.0
  As  As15  1  0.403  0.994  0.178  1.0
  As  As16  1  0.994  0.178  0.403  1.0
  As  As17  1  0.178  0.403  0.994  1.0
  O  O18  1  0.907  0.582  0.592  1.0
  O  O19  1  0.582  0.592  0.907  1.0
  O  O20  1  0.592  0.907  0.582  1.0
  O  O21  1  0.914  0.964  0.248  1.0
  O  O22  1  0.964  0.248  0.914  1.0
  O  O23  1  0.248  0.914  0.964  1.0
  O  O24  1  0.307  0.294  0.975  1.0
  O  O25  1  0.975  0.307  0.294  1.0
  O  O26  1  0.012  0.692  0.365  1.0
  O  O27  1  0.294  0.975  0.307  1.0
  O  O28  1  0.365  0.012  0.692  1.0
  O  O29  1  0.692  0.365  0.012  1.0
  O  O30  1  0.336  0.670  0.628  1.0
  O  O31  1  0.628  0.336  0.670  1.0
  O  O32  1  0.670  0.628  0.336  1.0
  O  O33  1  0.635  0.971  0.924  1.0
  O  O34  1  0.924  0.635  0.971  1.0
  O  O35  1  0.971  0.924  0.635  1.0
  O  O36  1  0.519  0.871  0.190  1.0
  O  O37  1  0.190  0.519  0.871  1.0
  O  O38  1  0.871  0.190  0.519  1.0
  O  O39  1  0.259  0.547  0.214  1.0
  O  O40  1  0.214  0.259  0.547  1.0
  O  O41  1  0.547  0.214  0.259  1.0
[/CIF]
.
The structure described by LiZnAsO4 crystallizes in the trigonal R3 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(6), and one O(7) atom to form LiO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra, corners with two equivalent Zn(2)O4 tetrahedra, corners with two equivalent As(1)O4 tetrahedra, and corners with two equivalent As(2)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(3), one O(4), one O(5), and one O(8) atom to form LiO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra, corners with two equivalent Zn(2)O4 tetrahedra, corners with two equivalent As(1)O4 tetrahedra, and corners with two equivalent As(2)O4 tetrahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(5), one O(7), and one O(8) atom to form ZnO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent As(1)O4 tetrahedra, and corners with two equivalent As(2)O4 tetrahedra. In the second Zn site, Zn(2) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form ZnO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent As(1)O4 tetrahedra, and corners with two equivalent As(2)O4 tetrahedra. There are two inequivalent As sites. In the first As site, As(1) is bonded to one O(1), one O(4), one O(5), and one O(6) atom to form AsO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. In the second As site, As(2) is bonded to one O(2), one O(3), one O(7), and one O(8) atom to form AsO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(5) is bonded in a trigonal planar geometry to one Li(2), one Zn(1), and one As(1) atom. In the second O site, O(6) is bonded in a trigonal planar geometry to one Li(1), one Zn(2), and one As(1) atom. In the third O site, O(7) is bonded in a trigonal planar geometry to one Li(1), one Zn(1), and one As(2) atom. In the fourth O site, O(8) is bonded in a trigonal planar geometry to one Li(2), one Zn(1), and one As(2) atom. In the fifth O site, O(1) is bonded in a trigonal planar geometry to one Li(1), one Zn(1), and one As(1) atom. In the sixth O site, O(2) is bonded in a trigonal planar geometry to one Li(1), one Zn(2), and one As(2) atom. In the seventh O site, O(3) is bonded in a trigonal planar geometry to one Li(2), one Zn(2), and one As(2) atom. In the eighth O site, O(4) is bonded in a trigonal planar geometry to one Li(2), one Zn(2), and one As(1) atom. is represented by the CIF card [CIF]
data_LiZnAsO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.865
_cell_length_b   8.865
_cell_length_c   8.865
_cell_angle_alpha   107.852
_cell_angle_beta   107.852
_cell_angle_gamma   107.852
_symmetry_Int_Tables_number   1
_cell_volume   566.265
_cell_formula_units_Z   6
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  0.067  0.666  0.841  1.0
  Li  Li1  1  0.381  0.147  0.551  1.0
  Li  Li2  1  0.147  0.551  0.381  1.0
  Li  Li3  1  0.551  0.381  0.147  1.0
  Li  Li4  1  0.666  0.841  0.067  1.0
  Li  Li5  1  0.841  0.067  0.666  1.0
  Zn  Zn6  1  0.740  0.335  0.505  1.0
  Zn  Zn7  1  0.335  0.505  0.740  1.0
  Zn  Zn8  1  0.505  0.740  0.335  1.0
  Zn  Zn9  1  0.043  0.818  0.219  1.0
  Zn  Zn10  1  0.818  0.219  0.043  1.0
  Zn  Zn11  1  0.219  0.043  0.818  1.0
  As  As12  1  0.888  0.709  0.480  1.0
  As  As13  1  0.709  0.480  0.888  1.0
  As  As14  1  0.480  0.888  0.709  1.0
  As  As15  1  0.403  0.994  0.178  1.0
  As  As16  1  0.994  0.178  0.403  1.0
  As  As17  1  0.178  0.403  0.994  1.0
  O  O18  1  0.907  0.582  0.592  1.0
  O  O19  1  0.582  0.592  0.907  1.0
  O  O20  1  0.592  0.907  0.582  1.0
  O  O21  1  0.914  0.964  0.248  1.0
  O  O22  1  0.964  0.248  0.914  1.0
  O  O23  1  0.248  0.914  0.964  1.0
  O  O24  1  0.307  0.294  0.975  1.0
  O  O25  1  0.975  0.307  0.294  1.0
  O  O26  1  0.012  0.692  0.365  1.0
  O  O27  1  0.294  0.975  0.307  1.0
  O  O28  1  0.365  0.012  0.692  1.0
  O  O29  1  0.692  0.365  0.012  1.0
  O  O30  1  0.336  0.670  0.628  1.0
  O  O31  1  0.628  0.336  0.670  1.0
  O  O32  1  0.670  0.628  0.336  1.0
  O  O33  1  0.635  0.971  0.924  1.0
  O  O34  1  0.924  0.635  0.971  1.0
  O  O35  1  0.971  0.924  0.635  1.0
  O  O36  1  0.519  0.871  0.190  1.0
  O  O37  1  0.190  0.519  0.871  1.0
  O  O38  1  0.871  0.190  0.519  1.0
  O  O39  1  0.259  0.547  0.214  1.0
  O  O40  1  0.214  0.259  0.547  1.0
  O  O41  1  0.547  0.214  0.259  1.0
[/CIF]
.