The compound described by NaLaAgTe4 crystallizes in the orthorhombic Pmmn space group. Na(1) is bonded to four equivalent Ag(1), two equivalent Te(1), two equivalent Te(3), and four equivalent Te(4) atoms to form distorted NaAg4Te8 cuboctahedra that share corners with four equivalent Na(1)Ag4Te8 cuboctahedra, edges with four equivalent Na(1)Ag4Te8 cuboctahedra, edges with eight equivalent Ag(1)Na4Ag4Te4 cuboctahedra, faces with four equivalent Na(1)Ag4Te8 cuboctahedra, and faces with four equivalent Ag(1)Na4Ag4Te4 cuboctahedra. La(1) is bonded in a 9-coordinate geometry to two equivalent Te(1), two equivalent Te(3), and five equivalent Te(2) atoms. Ag(1) is bonded to four equivalent Na(1), four equivalent Ag(1), and four equivalent Te(4) atoms to form distorted AgNa4Ag4Te4 cuboctahedra that share corners with four equivalent Ag(1)Na4Ag4Te4 cuboctahedra, edges with eight equivalent Na(1)Ag4Te8 cuboctahedra, faces with four equivalent Na(1)Ag4Te8 cuboctahedra, and faces with eight equivalent Ag(1)Na4Ag4Te4 cuboctahedra. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a 8-coordinate geometry to two equivalent Na(1), two equivalent La(1), and four equivalent Te(3) atoms. In the second Te site, Te(2) is bonded to five equivalent La(1) atoms to form a mixture of distorted corner and edge-sharing TeLa5 trigonal bipyramids. In the third Te site, Te(3) is bonded in a 8-coordinate geometry to two equivalent Na(1), two equivalent La(1), and four equivalent Te(1) atoms. In the fourth Te site, Te(4) is bonded in a 8-coordinate geometry to four equivalent Na(1) and four equivalent Ag(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_NaLaAgTe4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.380
_cell_length_b   4.546
_cell_length_c   21.302
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   424.145
_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
  Na  Na0  1  0.000  0.500  0.136  1.0
  Na  Na1  1  0.500  0.000  0.864  1.0
  La  La2  1  0.000  0.500  0.601  1.0
  La  La3  1  0.500  0.000  0.399  1.0
  Ag  Ag4  1  0.500  0.500  0.001  1.0
  Ag  Ag5  1  0.000  0.000  0.999  1.0
  Te  Te6  1  0.500  0.500  0.276  1.0
  Te  Te7  1  0.000  0.000  0.724  1.0
  Te  Te8  1  0.000  0.500  0.442  1.0
  Te  Te9  1  0.500  0.000  0.558  1.0
  Te  Te10  1  0.500  0.500  0.724  1.0
  Te  Te11  1  0.000  0.000  0.276  1.0
  Te  Te12  1  0.000  0.500  0.913  1.0
  Te  Te13  1  0.500  0.000  0.087  1.0
[/CIF]
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The compound described by NaLaAgTe4 crystallizes in the orthorhombic Pmmn space group. Na(1) is bonded to four equivalent Ag(1), two equivalent Te(1), two equivalent Te(3), and four equivalent Te(4) atoms to form distorted NaAg4Te8 cuboctahedra that share corners with four equivalent Na(1)Ag4Te8 cuboctahedra, edges with four equivalent Na(1)Ag4Te8 cuboctahedra, edges with eight equivalent Ag(1)Na4Ag4Te4 cuboctahedra, faces with four equivalent Na(1)Ag4Te8 cuboctahedra, and faces with four equivalent Ag(1)Na4Ag4Te4 cuboctahedra. La(1) is bonded in a 9-coordinate geometry to two equivalent Te(1), two equivalent Te(3), and five equivalent Te(2) atoms. Ag(1) is bonded to four equivalent Na(1), four equivalent Ag(1), and four equivalent Te(4) atoms to form distorted AgNa4Ag4Te4 cuboctahedra that share corners with four equivalent Ag(1)Na4Ag4Te4 cuboctahedra, edges with eight equivalent Na(1)Ag4Te8 cuboctahedra, faces with four equivalent Na(1)Ag4Te8 cuboctahedra, and faces with eight equivalent Ag(1)Na4Ag4Te4 cuboctahedra. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a 8-coordinate geometry to two equivalent Na(1), two equivalent La(1), and four equivalent Te(3) atoms. In the second Te site, Te(2) is bonded to five equivalent La(1) atoms to form a mixture of distorted corner and edge-sharing TeLa5 trigonal bipyramids. In the third Te site, Te(3) is bonded in a 8-coordinate geometry to two equivalent Na(1), two equivalent La(1), and four equivalent Te(1) atoms. In the fourth Te site, Te(4) is bonded in a 8-coordinate geometry to four equivalent Na(1) and four equivalent Ag(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_NaLaAgTe4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.380
_cell_length_b   4.546
_cell_length_c   21.302
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   424.145
_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
  Na  Na0  1  0.000  0.500  0.136  1.0
  Na  Na1  1  0.500  0.000  0.864  1.0
  La  La2  1  0.000  0.500  0.601  1.0
  La  La3  1  0.500  0.000  0.399  1.0
  Ag  Ag4  1  0.500  0.500  0.001  1.0
  Ag  Ag5  1  0.000  0.000  0.999  1.0
  Te  Te6  1  0.500  0.500  0.276  1.0
  Te  Te7  1  0.000  0.000  0.724  1.0
  Te  Te8  1  0.000  0.500  0.442  1.0
  Te  Te9  1  0.500  0.000  0.558  1.0
  Te  Te10  1  0.500  0.500  0.724  1.0
  Te  Te11  1  0.000  0.000  0.276  1.0
  Te  Te12  1  0.000  0.500  0.913  1.0
  Te  Te13  1  0.500  0.000  0.087  1.0
[/CIF]
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