The compound described by NaEu2Cl6 crystallizes in the trigonal P3 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to three equivalent Cl(1) and three equivalent Cl(2) atoms. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to three equivalent Cl(5) and three equivalent Cl(6) atoms. In the third Na site, Na(3) is bonded in a trigonal planar geometry to three equivalent Cl(3) and six equivalent Cl(4) atoms. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 9-coordinate geometry to one Cl(2), one Cl(3), one Cl(6), two equivalent Cl(1), two equivalent Cl(4), and two equivalent Cl(5) atoms. In the second Eu site, Eu(2) is bonded in a 9-coordinate geometry to one Cl(1), one Cl(4), one Cl(5), two equivalent Cl(2), two equivalent Cl(3), and two equivalent Cl(6) atoms. There are six inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to one Na(1), one Eu(2), and two equivalent Eu(1) atoms to form a mixture of edge and corner-sharing ClNaEu3 tetrahedra. In the second Cl site, Cl(2) is bonded to one Na(1), one Eu(1), and two equivalent Eu(2) atoms to form a mixture of edge and corner-sharing ClNaEu3 tetrahedra. In the third Cl site, Cl(3) is bonded to one Na(3), one Eu(1), and two equivalent Eu(2) atoms to form a mixture of edge and corner-sharing ClNaEu3 tetrahedra. In the fourth Cl site, Cl(4) is bonded in a 5-coordinate geometry to two equivalent Na(3), one Eu(2), and two equivalent Eu(1) atoms. In the fifth Cl site, Cl(5) is bonded to one Na(2), one Eu(2), and two equivalent Eu(1) atoms to form a mixture of edge and corner-sharing ClNaEu3 tetrahedra. In the sixth Cl site, Cl(6) is bonded to one Na(2), one Eu(1), and two equivalent Eu(2) atoms to form a mixture of edge and corner-sharing ClNaEu3 tetrahedra. is represented by the CIF card [CIF]
data_NaEu2Cl6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.018
_cell_length_b   13.018
_cell_length_c   4.447
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   652.589
_cell_formula_units_Z   3
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  0.667  0.333  0.000  1.0
  Na  Na1  1  0.333  0.667  0.499  1.0
  Na  Na2  1  0.000  0.000  0.752  1.0
  Eu  Eu3  1  0.334  0.333  0.750  1.0
  Eu  Eu4  1  1.000  0.666  0.750  1.0
  Eu  Eu5  1  0.331  0.000  0.250  1.0
  Eu  Eu6  1  0.667  0.000  0.750  1.0
  Eu  Eu7  1  1.000  0.331  0.250  1.0
  Eu  Eu8  1  0.669  0.669  0.250  1.0
  Cl  Cl9  1  0.439  0.263  0.254  1.0
  Cl  Cl10  1  0.594  0.490  0.749  1.0
  Cl  Cl11  1  0.825  0.561  0.254  1.0
  Cl  Cl12  1  0.838  0.764  0.748  1.0
  Cl  Cl13  1  0.069  0.847  0.246  1.0
  Cl  Cl14  1  0.100  0.593  0.249  1.0
  Cl  Cl15  1  0.236  0.074  0.748  1.0
  Cl  Cl16  1  0.259  0.824  0.753  1.0
  Cl  Cl17  1  0.493  0.900  0.249  1.0
  Cl  Cl18  1  0.510  0.103  0.749  1.0
  Cl  Cl19  1  0.737  0.175  0.254  1.0
  Cl  Cl20  1  0.778  0.931  0.246  1.0
  Cl  Cl21  1  0.897  0.406  0.749  1.0
  Cl  Cl22  1  0.926  0.162  0.748  1.0
  Cl  Cl23  1  0.153  0.222  0.246  1.0
  Cl  Cl24  1  0.176  0.435  0.753  1.0
  Cl  Cl25  1  0.407  0.507  0.249  1.0
  Cl  Cl26  1  0.565  0.741  0.753  1.0
[/CIF]
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The compound described by NaEu2Cl6 crystallizes in the trigonal P3 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to three equivalent Cl(1) and three equivalent Cl(2) atoms. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to three equivalent Cl(5) and three equivalent Cl(6) atoms. In the third Na site, Na(3) is bonded in a trigonal planar geometry to three equivalent Cl(3) and six equivalent Cl(4) atoms. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 9-coordinate geometry to one Cl(2), one Cl(3), one Cl(6), two equivalent Cl(1), two equivalent Cl(4), and two equivalent Cl(5) atoms. In the second Eu site, Eu(2) is bonded in a 9-coordinate geometry to one Cl(1), one Cl(4), one Cl(5), two equivalent Cl(2), two equivalent Cl(3), and two equivalent Cl(6) atoms. There are six inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to one Na(1), one Eu(2), and two equivalent Eu(1) atoms to form a mixture of edge and corner-sharing ClNaEu3 tetrahedra. In the second Cl site, Cl(2) is bonded to one Na(1), one Eu(1), and two equivalent Eu(2) atoms to form a mixture of edge and corner-sharing ClNaEu3 tetrahedra. In the third Cl site, Cl(3) is bonded to one Na(3), one Eu(1), and two equivalent Eu(2) atoms to form a mixture of edge and corner-sharing ClNaEu3 tetrahedra. In the fourth Cl site, Cl(4) is bonded in a 5-coordinate geometry to two equivalent Na(3), one Eu(2), and two equivalent Eu(1) atoms. In the fifth Cl site, Cl(5) is bonded to one Na(2), one Eu(2), and two equivalent Eu(1) atoms to form a mixture of edge and corner-sharing ClNaEu3 tetrahedra. In the sixth Cl site, Cl(6) is bonded to one Na(2), one Eu(1), and two equivalent Eu(2) atoms to form a mixture of edge and corner-sharing ClNaEu3 tetrahedra. is represented by the CIF card [CIF]
data_NaEu2Cl6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.018
_cell_length_b   13.018
_cell_length_c   4.447
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   652.589
_cell_formula_units_Z   3
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  0.667  0.333  0.000  1.0
  Na  Na1  1  0.333  0.667  0.499  1.0
  Na  Na2  1  0.000  0.000  0.752  1.0
  Eu  Eu3  1  0.334  0.333  0.750  1.0
  Eu  Eu4  1  1.000  0.666  0.750  1.0
  Eu  Eu5  1  0.331  0.000  0.250  1.0
  Eu  Eu6  1  0.667  0.000  0.750  1.0
  Eu  Eu7  1  1.000  0.331  0.250  1.0
  Eu  Eu8  1  0.669  0.669  0.250  1.0
  Cl  Cl9  1  0.439  0.263  0.254  1.0
  Cl  Cl10  1  0.594  0.490  0.749  1.0
  Cl  Cl11  1  0.825  0.561  0.254  1.0
  Cl  Cl12  1  0.838  0.764  0.748  1.0
  Cl  Cl13  1  0.069  0.847  0.246  1.0
  Cl  Cl14  1  0.100  0.593  0.249  1.0
  Cl  Cl15  1  0.236  0.074  0.748  1.0
  Cl  Cl16  1  0.259  0.824  0.753  1.0
  Cl  Cl17  1  0.493  0.900  0.249  1.0
  Cl  Cl18  1  0.510  0.103  0.749  1.0
  Cl  Cl19  1  0.737  0.175  0.254  1.0
  Cl  Cl20  1  0.778  0.931  0.246  1.0
  Cl  Cl21  1  0.897  0.406  0.749  1.0
  Cl  Cl22  1  0.926  0.162  0.748  1.0
  Cl  Cl23  1  0.153  0.222  0.246  1.0
  Cl  Cl24  1  0.176  0.435  0.753  1.0
  Cl  Cl25  1  0.407  0.507  0.249  1.0
  Cl  Cl26  1  0.565  0.741  0.753  1.0
[/CIF]
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