The material described by Sr is beta Sn structured and crystallizes in the tetragonal I4_1/amd space group. Sr(1) is bonded to six equivalent Sr(1) atoms to form a mixture of distorted corner and edge-sharing SrSr6 pentagonal pyramids. is represented by the CIF card [CIF]
data_Sr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.042
_cell_length_b   5.618
_cell_length_c   5.618
_cell_angle_alpha   82.553
_cell_angle_beta   68.916
_cell_angle_gamma   68.916
_symmetry_Int_Tables_number   1
_cell_volume   111.044
_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
  Sr  Sr0  1  0.625  0.250  0.250  1.0
  Sr  Sr1  1  0.375  0.750  0.750  1.0
[/CIF]
.
The material described by Sr is beta Sn structured and crystallizes in the tetragonal I4_1/amd space group. Sr(1) is bonded to six equivalent Sr(1) atoms to form a mixture of distorted corner and edge-sharing SrSr6 pentagonal pyramids. is represented by the CIF card [CIF]
data_Sr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.042
_cell_length_b   5.618
_cell_length_c   5.618
_cell_angle_alpha   82.553
_cell_angle_beta   68.916
_cell_angle_gamma   68.916
_symmetry_Int_Tables_number   1
_cell_volume   111.044
_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
  Sr  Sr0  1  0.625  0.250  0.250  1.0
  Sr  Sr1  1  0.375  0.750  0.750  1.0
[/CIF]
.