The compound described by Na3InAs2 crystallizes in the monoclinic P2_1/c space group. There are six inequivalent Na sites. In the first Na site, Na(1) is bonded to one In(2), one As(1), one As(2), and two equivalent As(4) atoms to form a mixture of distorted corner and edge-sharing NaInAs4 tetrahedra. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one In(1), two equivalent In(2), two equivalent As(2), and two equivalent As(3) atoms. In the third Na site, Na(3) is bonded in a 4-coordinate geometry to one In(2), one As(1), one As(2), one As(3), and two equivalent As(4) atoms. In the fourth Na site, Na(4) is bonded to one In(2), one As(1), one As(2), and two equivalent As(3) atoms to form a mixture of distorted corner and edge-sharing NaInAs4 tetrahedra. In the fifth Na site, Na(5) is bonded in a 7-coordinate geometry to one In(1), one In(2), one As(3), two equivalent As(1), and two equivalent As(4) atoms. In the sixth Na site, Na(6) is bonded in a 5-coordinate geometry to two equivalent In(2), one As(1), one As(3), one As(4), and two equivalent As(2) atoms. There are two inequivalent In sites. In the first In site, In(1) is bonded in a 4-coordinate geometry to one Na(2), one Na(5), one As(3), one As(4), and two equivalent As(1) atoms. In the second In site, In(2) is bonded in a 12-coordinate geometry to one Na(1), one Na(3), one Na(4), one Na(5), two equivalent Na(2), two equivalent Na(6), one As(3), one As(4), and two equivalent As(2) atoms. There are four inequivalent As sites. In the first As site, As(1) is bonded in a 8-coordinate geometry to one Na(1), one Na(3), one Na(4), one Na(6), two equivalent Na(5), and two equivalent In(1) atoms. In the second As site, As(2) is bonded in a 9-coordinate geometry to one Na(1), one Na(3), one Na(4), two equivalent Na(2), two equivalent Na(6), and two equivalent In(2) atoms. In the third As site, As(3) is bonded in a 9-coordinate geometry to one Na(3), one Na(5), one Na(6), two equivalent Na(2), two equivalent Na(4), one In(1), and one In(2) atom. In the fourth As site, As(4) is bonded in a 9-coordinate geometry to one Na(6), two equivalent Na(1), two equivalent Na(3), two equivalent Na(5), one In(1), and one In(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na3InAs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.500
_cell_length_b   9.665
_cell_length_c   15.686
_cell_angle_alpha   87.135
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1135.673
_cell_formula_units_Z   8
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
  Na  Na0  1  0.151  0.874  0.703  1.0
  Na  Na1  1  0.651  0.126  0.797  1.0
  Na  Na2  1  0.849  0.126  0.297  1.0
  Na  Na3  1  0.349  0.874  0.203  1.0
  Na  Na4  1  0.489  0.561  0.106  1.0
  Na  Na5  1  0.989  0.439  0.394  1.0
  Na  Na6  1  0.511  0.439  0.894  1.0
  Na  Na7  1  0.011  0.561  0.606  1.0
  Na  Na8  1  0.969  0.187  0.648  1.0
  Na  Na9  1  0.469  0.813  0.852  1.0
  Na  Na10  1  0.031  0.813  0.352  1.0
  Na  Na11  1  0.531  0.187  0.148  1.0
  Na  Na12  1  0.848  0.383  0.046  1.0
  Na  Na13  1  0.348  0.617  0.454  1.0
  Na  Na14  1  0.152  0.617  0.954  1.0
  Na  Na15  1  0.652  0.383  0.546  1.0
  Na  Na16  1  0.974  0.934  0.894  1.0
  Na  Na17  1  0.474  0.066  0.606  1.0
  Na  Na18  1  0.026  0.066  0.106  1.0
  Na  Na19  1  0.526  0.934  0.394  1.0
  Na  Na20  1  0.008  0.321  0.862  1.0
  Na  Na21  1  0.508  0.679  0.638  1.0
  Na  Na22  1  0.992  0.679  0.138  1.0
  Na  Na23  1  0.492  0.321  0.362  1.0
  In  In24  1  0.640  0.875  0.042  1.0
  In  In25  1  0.140  0.125  0.458  1.0
  In  In26  1  0.360  0.125  0.958  1.0
  In  In27  1  0.860  0.875  0.542  1.0
  In  In28  1  0.653  0.638  0.291  1.0
  In  In29  1  0.153  0.362  0.209  1.0
  In  In30  1  0.347  0.362  0.709  1.0
  In  In31  1  0.847  0.638  0.791  1.0
  As  As32  1  0.223  0.872  0.523  1.0
  As  As33  1  0.723  0.128  0.977  1.0
  As  As34  1  0.777  0.128  0.477  1.0
  As  As35  1  0.277  0.872  0.023  1.0
  As  As36  1  0.711  0.407  0.725  1.0
  As  As37  1  0.211  0.593  0.775  1.0
  As  As38  1  0.289  0.593  0.275  1.0
  As  As39  1  0.789  0.407  0.225  1.0
  As  As40  1  0.762  0.651  0.960  1.0
  As  As41  1  0.262  0.349  0.540  1.0
  As  As42  1  0.238  0.349  0.040  1.0
  As  As43  1  0.738  0.651  0.460  1.0
  As  As44  1  0.758  0.878  0.708  1.0
  As  As45  1  0.258  0.122  0.792  1.0
  As  As46  1  0.242  0.122  0.292  1.0
  As  As47  1  0.742  0.878  0.208  1.0
[/CIF]
.
The compound described by Na3InAs2 crystallizes in the monoclinic P2_1/c space group. There are six inequivalent Na sites. In the first Na site, Na(1) is bonded to one In(2), one As(1), one As(2), and two equivalent As(4) atoms to form a mixture of distorted corner and edge-sharing NaInAs4 tetrahedra. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one In(1), two equivalent In(2), two equivalent As(2), and two equivalent As(3) atoms. In the third Na site, Na(3) is bonded in a 4-coordinate geometry to one In(2), one As(1), one As(2), one As(3), and two equivalent As(4) atoms. In the fourth Na site, Na(4) is bonded to one In(2), one As(1), one As(2), and two equivalent As(3) atoms to form a mixture of distorted corner and edge-sharing NaInAs4 tetrahedra. In the fifth Na site, Na(5) is bonded in a 7-coordinate geometry to one In(1), one In(2), one As(3), two equivalent As(1), and two equivalent As(4) atoms. In the sixth Na site, Na(6) is bonded in a 5-coordinate geometry to two equivalent In(2), one As(1), one As(3), one As(4), and two equivalent As(2) atoms. There are two inequivalent In sites. In the first In site, In(1) is bonded in a 4-coordinate geometry to one Na(2), one Na(5), one As(3), one As(4), and two equivalent As(1) atoms. In the second In site, In(2) is bonded in a 12-coordinate geometry to one Na(1), one Na(3), one Na(4), one Na(5), two equivalent Na(2), two equivalent Na(6), one As(3), one As(4), and two equivalent As(2) atoms. There are four inequivalent As sites. In the first As site, As(1) is bonded in a 8-coordinate geometry to one Na(1), one Na(3), one Na(4), one Na(6), two equivalent Na(5), and two equivalent In(1) atoms. In the second As site, As(2) is bonded in a 9-coordinate geometry to one Na(1), one Na(3), one Na(4), two equivalent Na(2), two equivalent Na(6), and two equivalent In(2) atoms. In the third As site, As(3) is bonded in a 9-coordinate geometry to one Na(3), one Na(5), one Na(6), two equivalent Na(2), two equivalent Na(4), one In(1), and one In(2) atom. In the fourth As site, As(4) is bonded in a 9-coordinate geometry to one Na(6), two equivalent Na(1), two equivalent Na(3), two equivalent Na(5), one In(1), and one In(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na3InAs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.500
_cell_length_b   9.665
_cell_length_c   15.686
_cell_angle_alpha   87.135
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1135.673
_cell_formula_units_Z   8
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
  Na  Na0  1  0.151  0.874  0.703  1.0
  Na  Na1  1  0.651  0.126  0.797  1.0
  Na  Na2  1  0.849  0.126  0.297  1.0
  Na  Na3  1  0.349  0.874  0.203  1.0
  Na  Na4  1  0.489  0.561  0.106  1.0
  Na  Na5  1  0.989  0.439  0.394  1.0
  Na  Na6  1  0.511  0.439  0.894  1.0
  Na  Na7  1  0.011  0.561  0.606  1.0
  Na  Na8  1  0.969  0.187  0.648  1.0
  Na  Na9  1  0.469  0.813  0.852  1.0
  Na  Na10  1  0.031  0.813  0.352  1.0
  Na  Na11  1  0.531  0.187  0.148  1.0
  Na  Na12  1  0.848  0.383  0.046  1.0
  Na  Na13  1  0.348  0.617  0.454  1.0
  Na  Na14  1  0.152  0.617  0.954  1.0
  Na  Na15  1  0.652  0.383  0.546  1.0
  Na  Na16  1  0.974  0.934  0.894  1.0
  Na  Na17  1  0.474  0.066  0.606  1.0
  Na  Na18  1  0.026  0.066  0.106  1.0
  Na  Na19  1  0.526  0.934  0.394  1.0
  Na  Na20  1  0.008  0.321  0.862  1.0
  Na  Na21  1  0.508  0.679  0.638  1.0
  Na  Na22  1  0.992  0.679  0.138  1.0
  Na  Na23  1  0.492  0.321  0.362  1.0
  In  In24  1  0.640  0.875  0.042  1.0
  In  In25  1  0.140  0.125  0.458  1.0
  In  In26  1  0.360  0.125  0.958  1.0
  In  In27  1  0.860  0.875  0.542  1.0
  In  In28  1  0.653  0.638  0.291  1.0
  In  In29  1  0.153  0.362  0.209  1.0
  In  In30  1  0.347  0.362  0.709  1.0
  In  In31  1  0.847  0.638  0.791  1.0
  As  As32  1  0.223  0.872  0.523  1.0
  As  As33  1  0.723  0.128  0.977  1.0
  As  As34  1  0.777  0.128  0.477  1.0
  As  As35  1  0.277  0.872  0.023  1.0
  As  As36  1  0.711  0.407  0.725  1.0
  As  As37  1  0.211  0.593  0.775  1.0
  As  As38  1  0.289  0.593  0.275  1.0
  As  As39  1  0.789  0.407  0.225  1.0
  As  As40  1  0.762  0.651  0.960  1.0
  As  As41  1  0.262  0.349  0.540  1.0
  As  As42  1  0.238  0.349  0.040  1.0
  As  As43  1  0.738  0.651  0.460  1.0
  As  As44  1  0.758  0.878  0.708  1.0
  As  As45  1  0.258  0.122  0.792  1.0
  As  As46  1  0.242  0.122  0.292  1.0
  As  As47  1  0.742  0.878  0.208  1.0
[/CIF]
.