data_Sr2In
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.05
_cell_length_b   8.34
_cell_length_c   4.3
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2In
_chemical_formula_sum   'Sr4 In2'
_cell_volume   288.63
_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  Sr2  1  0.73  0.41  0.0  1.0
  Sr  Sr3  1  0.32  0.93  0.0  1.0
  Sr  Sr4  1  0.29  0.24  0.15  1.0
  Sr  Sr5  1  0.75  0.1  0.15  1.0
  In  In0  1  0.0  0.0  0.0  1.0
  In  In1  1  0.02  0.17  0.15  1.0

data_Sr2In
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.3
_cell_length_b   8.05
_cell_length_c   8.34
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2In
_chemical_formula_sum   'Sr4 In2'
_cell_volume   288.63
_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  0.0  0.32  0.93  1.0
  Sr  Sr1  1  0.0  0.73  0.41  1.0
  Sr  Sr2  1  0.15  0.29  0.24  1.0
  Sr  Sr3  1  0.15  0.75  0.1  1.0
  In  In4  1  0.0  0.0  0.0  1.0
  In  In5  1  0.15  0.02  0.17  1.0

Sr Sr Sr Sr In In
Sr Sr Sr Sr In In 0 5 + o o 0 3 o o o 1 4 o + o 1 2 o + o 2 5 o o o 3 4 + o o 3 5 + o o 4 5 o o o 
Sr2In crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one Sr2In cluster. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 2-coordinate geometry to one Sr(4) and one In(2) atom. The Sr(1)-Sr(4) bond length is 2.64 Å. The Sr(1)-In(2) bond length is 3.16 Å. In the second Sr site, Sr(2) is bonded in a distorted single-bond geometry to one In(1) atom. The Sr(2)-In(1) bond length is 2.61 Å. In the third Sr site, Sr(3) is bonded in a distorted single-bond geometry to one In(2) atom. The Sr(3)-In(2) bond length is 2.25 Å. In the fourth Sr site, Sr(4) is bonded in a 2-coordinate geometry to one Sr(1), one In(1), and one In(2) atom. The Sr(4)-In(1) bond length is 2.26 Å. The Sr(4)-In(2) bond length is 2.25 Å. There are two inequivalent In sites. In the first In site, In(1) is bonded in a distorted T-shaped geometry to one Sr(2), one Sr(4), and one In(2) atom. The In(1)-In(2) bond length is 1.58 Å. In the second In site, In(2) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(3), one Sr(4), and one In(1) atom.