The compound described by Ba crystallizes in the hexagonal P6/mmm space group. Ba(1) is bonded to five equivalent Ba(1) atoms to form a mixture of corner and edge-sharing BaBa5 trigonal bipyramids. is represented by the CIF file [CIF]
data_Ba
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.909
_cell_length_b   6.996
_cell_length_c   6.996
_cell_angle_alpha   120.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   165.710
_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
  Ba  Ba0  1  0.500  0.333  0.667  1.0
  Ba  Ba1  1  0.500  0.667  0.333  1.0
[/CIF]
.
The compound described by Ba crystallizes in the hexagonal P6/mmm space group. Ba(1) is bonded to five equivalent Ba(1) atoms to form a mixture of corner and edge-sharing BaBa5 trigonal bipyramids. is represented by the CIF file [CIF]
data_Ba
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.909
_cell_length_b   6.996
_cell_length_c   6.996
_cell_angle_alpha   120.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   165.710
_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
  Ba  Ba0  1  0.500  0.333  0.667  1.0
  Ba  Ba1  1  0.500  0.667  0.333  1.0
[/CIF]
.