The compound described by Na5SrNbP4 is alpha Pu-derived structured and crystallizes in the monoclinic Cc space group. There are five inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one Nb(1), one P(4), two equivalent P(2), and two equivalent P(3) atoms. In the second Na site, Na(2) is bonded in a 3-coordinate geometry to one P(2), one P(3), one P(4), and two equivalent P(1) atoms. In the third Na site, Na(3) is bonded in a 4-coordinate geometry to one P(1), one P(2), one P(3), and one P(4) atom. In the fourth Na site, Na(4) is bonded in a 4-coordinate geometry to one P(1), one P(4), and two equivalent P(3) atoms. In the fifth Na site, Na(5) is bonded in a 4-coordinate geometry to one P(1), one P(4), and two equivalent P(2) atoms. Sr(1) is bonded in a 5-coordinate geometry to one P(2), one P(3), one P(4), and two equivalent P(1) atoms. Nb(1) is bonded in a tetrahedral geometry to one Na(1), one P(1), one P(2), one P(3), and one P(4) atom. There are four inequivalent P sites. In the first P site, P(4) is bonded in a 7-coordinate geometry to one Na(1), one Na(2), one Na(3), one Na(4), one Na(5), one Sr(1), and one Nb(1) atom. In the second P site, P(1) is bonded in a 8-coordinate geometry to one Na(3), one Na(4), one Na(5), two equivalent Na(2), two equivalent Sr(1), and one Nb(1) atom. In the third P site, P(2) is bonded in a 8-coordinate geometry to one Na(2), one Na(3), two equivalent Na(1), two equivalent Na(5), one Sr(1), and one Nb(1) atom. In the fourth P site, P(3) is bonded in a 8-coordinate geometry to one Na(2), one Na(3), two equivalent Na(1), two equivalent Na(4), one Sr(1), and one Nb(1) atom. is represented by the CIF card [CIF]
data_Na5SrNbP4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.287
_cell_length_b   9.287
_cell_length_c   7.350
_cell_angle_alpha   90.071
_cell_angle_beta   90.071
_cell_angle_gamma   119.899
_symmetry_Int_Tables_number   1
_cell_volume   549.505
_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  0.539  0.474  0.615  1.0
  Na  Na1  1  0.935  0.471  0.613  1.0
  Na  Na2  1  0.474  0.539  0.115  1.0
  Na  Na3  1  0.471  0.935  0.113  1.0
  Na  Na4  1  0.134  0.856  0.780  1.0
  Na  Na5  1  0.711  0.848  0.797  1.0
  Na  Na6  1  0.148  0.289  0.771  1.0
  Na  Na7  1  0.856  0.134  0.280  1.0
  Na  Na8  1  0.289  0.148  0.271  1.0
  Na  Na9  1  0.848  0.711  0.297  1.0
  Sr  Sr10  1  0.532  0.061  0.609  1.0
  Sr  Sr11  1  0.061  0.532  0.109  1.0
  Nb  Nb12  1  0.332  0.661  0.503  1.0
  Nb  Nb13  1  0.661  0.332  0.003  1.0
  P  P14  1  0.809  0.194  0.897  1.0
  P  P15  1  0.383  0.191  0.892  1.0
  P  P16  1  0.809  0.616  0.905  1.0
  P  P17  1  0.194  0.809  0.397  1.0
  P  P18  1  0.616  0.809  0.405  1.0
  P  P19  1  0.191  0.383  0.392  1.0
  P  P20  1  0.334  0.671  0.828  1.0
  P  P21  1  0.671  0.334  0.328  1.0
[/CIF]
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The compound described by Na5SrNbP4 is alpha Pu-derived structured and crystallizes in the monoclinic Cc space group. There are five inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one Nb(1), one P(4), two equivalent P(2), and two equivalent P(3) atoms. In the second Na site, Na(2) is bonded in a 3-coordinate geometry to one P(2), one P(3), one P(4), and two equivalent P(1) atoms. In the third Na site, Na(3) is bonded in a 4-coordinate geometry to one P(1), one P(2), one P(3), and one P(4) atom. In the fourth Na site, Na(4) is bonded in a 4-coordinate geometry to one P(1), one P(4), and two equivalent P(3) atoms. In the fifth Na site, Na(5) is bonded in a 4-coordinate geometry to one P(1), one P(4), and two equivalent P(2) atoms. Sr(1) is bonded in a 5-coordinate geometry to one P(2), one P(3), one P(4), and two equivalent P(1) atoms. Nb(1) is bonded in a tetrahedral geometry to one Na(1), one P(1), one P(2), one P(3), and one P(4) atom. There are four inequivalent P sites. In the first P site, P(4) is bonded in a 7-coordinate geometry to one Na(1), one Na(2), one Na(3), one Na(4), one Na(5), one Sr(1), and one Nb(1) atom. In the second P site, P(1) is bonded in a 8-coordinate geometry to one Na(3), one Na(4), one Na(5), two equivalent Na(2), two equivalent Sr(1), and one Nb(1) atom. In the third P site, P(2) is bonded in a 8-coordinate geometry to one Na(2), one Na(3), two equivalent Na(1), two equivalent Na(5), one Sr(1), and one Nb(1) atom. In the fourth P site, P(3) is bonded in a 8-coordinate geometry to one Na(2), one Na(3), two equivalent Na(1), two equivalent Na(4), one Sr(1), and one Nb(1) atom. is represented by the CIF card [CIF]
data_Na5SrNbP4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.287
_cell_length_b   9.287
_cell_length_c   7.350
_cell_angle_alpha   90.071
_cell_angle_beta   90.071
_cell_angle_gamma   119.899
_symmetry_Int_Tables_number   1
_cell_volume   549.505
_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  0.539  0.474  0.615  1.0
  Na  Na1  1  0.935  0.471  0.613  1.0
  Na  Na2  1  0.474  0.539  0.115  1.0
  Na  Na3  1  0.471  0.935  0.113  1.0
  Na  Na4  1  0.134  0.856  0.780  1.0
  Na  Na5  1  0.711  0.848  0.797  1.0
  Na  Na6  1  0.148  0.289  0.771  1.0
  Na  Na7  1  0.856  0.134  0.280  1.0
  Na  Na8  1  0.289  0.148  0.271  1.0
  Na  Na9  1  0.848  0.711  0.297  1.0
  Sr  Sr10  1  0.532  0.061  0.609  1.0
  Sr  Sr11  1  0.061  0.532  0.109  1.0
  Nb  Nb12  1  0.332  0.661  0.503  1.0
  Nb  Nb13  1  0.661  0.332  0.003  1.0
  P  P14  1  0.809  0.194  0.897  1.0
  P  P15  1  0.383  0.191  0.892  1.0
  P  P16  1  0.809  0.616  0.905  1.0
  P  P17  1  0.194  0.809  0.397  1.0
  P  P18  1  0.616  0.809  0.405  1.0
  P  P19  1  0.191  0.383  0.392  1.0
  P  P20  1  0.334  0.671  0.828  1.0
  P  P21  1  0.671  0.334  0.328  1.0
[/CIF]
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