The crystal structure described by Li3Sr4InGe6 crystallizes in the monoclinic Cm space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one Sr(2), two equivalent In(1), one Ge(1), one Ge(6), and two equivalent Ge(2) atoms to form distorted LiSrIn2Ge4 tetrahedra that share corners with three equivalent Li(3)SrGe4 tetrahedra, edges with two equivalent Li(1)SrIn2Ge4 tetrahedra, and  a faceface with one Li(3)SrGe4 tetrahedra. In the second Li site, Li(2) is bonded in a 5-coordinate geometry to two equivalent Sr(2), one In(1), one Ge(2), one Ge(3), and two equivalent Ge(1) atoms. In the third Li site, Li(3) is bonded to one Sr(2), one Ge(1), one Ge(4), and two equivalent Ge(2) atoms to form distorted LiSrGe4 tetrahedra that share corners with two equivalent Li(3)SrGe4 tetrahedra, corners with three equivalent Li(1)SrIn2Ge4 tetrahedra, and  a faceface with one Li(1)SrIn2Ge4 tetrahedra. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one In(1), two equivalent Ge(1), two equivalent Ge(4), and two equivalent Ge(6) atoms. In the second Sr site, Sr(2) is bonded in a 13-coordinate geometry to one Li(1), one Li(3), two equivalent Li(2), two equivalent In(1), one Ge(1), two equivalent Ge(2), two equivalent Ge(3), and two equivalent Ge(5) atoms. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to two equivalent In(1), one Ge(1), two equivalent Ge(3), two equivalent Ge(4), two equivalent Ge(5), and two equivalent Ge(6) atoms. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one Ge(2), two equivalent Ge(3), two equivalent Ge(4), two equivalent Ge(5), and two equivalent Ge(6) atoms. In(1) is bonded in a 12-coordinate geometry to one Li(2), two equivalent Li(1), one Sr(1), two equivalent Sr(2), two equivalent Sr(3), one Ge(2), one Ge(5), and two equivalent Ge(1) atoms. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to one Li(1), one Li(3), two equivalent Li(2), one Sr(2), one Sr(3), two equivalent Sr(1), and two equivalent In(1) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to one Li(2), two equivalent Li(1), two equivalent Li(3), one Sr(4), two equivalent Sr(2), and one In(1) atom. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to one Li(2), two equivalent Sr(2), two equivalent Sr(3), two equivalent Sr(4), one Ge(4), and one Ge(5) atom. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one Li(3), two equivalent Sr(1), two equivalent Sr(3), two equivalent Sr(4), one Ge(3), and one Ge(6) atom. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Sr(2), two equivalent Sr(3), two equivalent Sr(4), one In(1), one Ge(3), and one Ge(6) atom. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to one Li(1), two equivalent Sr(1), two equivalent Sr(3), two equivalent Sr(4), one Ge(4), and one Ge(5) atom. is represented by the CIF file [CIF]
data_Sr4Li3InGe6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.171
_cell_length_b   10.171
_cell_length_c   7.343
_cell_angle_alpha   89.491
_cell_angle_beta   89.491
_cell_angle_gamma   26.506
_symmetry_Int_Tables_number   1
_cell_volume   339.003
_cell_formula_units_Z   1
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  0.654  0.654  0.248  1.0
  Sr  Sr1  1  0.343  0.343  0.767  1.0
  Sr  Sr2  1  0.445  0.445  0.250  1.0
  Sr  Sr3  1  0.555  0.555  0.748  1.0
  Li  Li4  1  0.191  0.191  0.560  1.0
  Li  Li5  1  0.811  0.811  0.053  1.0
  Li  Li6  1  0.191  0.191  0.937  1.0
  In  In7  1  0.807  0.807  0.448  1.0
  Ge  Ge8  1  0.278  0.278  0.236  1.0
  Ge  Ge9  1  0.721  0.721  0.756  1.0
  Ge  Ge10  1  0.943  0.943  0.927  1.0
  Ge  Ge11  1  0.058  0.058  0.071  1.0
  Ge  Ge12  1  0.945  0.945  0.582  1.0
  Ge  Ge13  1  0.057  0.057  0.417  1.0
[/CIF]
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The crystal structure described by Li3Sr4InGe6 crystallizes in the monoclinic Cm space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one Sr(2), two equivalent In(1), one Ge(1), one Ge(6), and two equivalent Ge(2) atoms to form distorted LiSrIn2Ge4 tetrahedra that share corners with three equivalent Li(3)SrGe4 tetrahedra, edges with two equivalent Li(1)SrIn2Ge4 tetrahedra, and  a faceface with one Li(3)SrGe4 tetrahedra. In the second Li site, Li(2) is bonded in a 5-coordinate geometry to two equivalent Sr(2), one In(1), one Ge(2), one Ge(3), and two equivalent Ge(1) atoms. In the third Li site, Li(3) is bonded to one Sr(2), one Ge(1), one Ge(4), and two equivalent Ge(2) atoms to form distorted LiSrGe4 tetrahedra that share corners with two equivalent Li(3)SrGe4 tetrahedra, corners with three equivalent Li(1)SrIn2Ge4 tetrahedra, and  a faceface with one Li(1)SrIn2Ge4 tetrahedra. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one In(1), two equivalent Ge(1), two equivalent Ge(4), and two equivalent Ge(6) atoms. In the second Sr site, Sr(2) is bonded in a 13-coordinate geometry to one Li(1), one Li(3), two equivalent Li(2), two equivalent In(1), one Ge(1), two equivalent Ge(2), two equivalent Ge(3), and two equivalent Ge(5) atoms. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to two equivalent In(1), one Ge(1), two equivalent Ge(3), two equivalent Ge(4), two equivalent Ge(5), and two equivalent Ge(6) atoms. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one Ge(2), two equivalent Ge(3), two equivalent Ge(4), two equivalent Ge(5), and two equivalent Ge(6) atoms. In(1) is bonded in a 12-coordinate geometry to one Li(2), two equivalent Li(1), one Sr(1), two equivalent Sr(2), two equivalent Sr(3), one Ge(2), one Ge(5), and two equivalent Ge(1) atoms. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to one Li(1), one Li(3), two equivalent Li(2), one Sr(2), one Sr(3), two equivalent Sr(1), and two equivalent In(1) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to one Li(2), two equivalent Li(1), two equivalent Li(3), one Sr(4), two equivalent Sr(2), and one In(1) atom. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to one Li(2), two equivalent Sr(2), two equivalent Sr(3), two equivalent Sr(4), one Ge(4), and one Ge(5) atom. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one Li(3), two equivalent Sr(1), two equivalent Sr(3), two equivalent Sr(4), one Ge(3), and one Ge(6) atom. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Sr(2), two equivalent Sr(3), two equivalent Sr(4), one In(1), one Ge(3), and one Ge(6) atom. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to one Li(1), two equivalent Sr(1), two equivalent Sr(3), two equivalent Sr(4), one Ge(4), and one Ge(5) atom. is represented by the CIF file [CIF]
data_Sr4Li3InGe6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.171
_cell_length_b   10.171
_cell_length_c   7.343
_cell_angle_alpha   89.491
_cell_angle_beta   89.491
_cell_angle_gamma   26.506
_symmetry_Int_Tables_number   1
_cell_volume   339.003
_cell_formula_units_Z   1
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  0.654  0.654  0.248  1.0
  Sr  Sr1  1  0.343  0.343  0.767  1.0
  Sr  Sr2  1  0.445  0.445  0.250  1.0
  Sr  Sr3  1  0.555  0.555  0.748  1.0
  Li  Li4  1  0.191  0.191  0.560  1.0
  Li  Li5  1  0.811  0.811  0.053  1.0
  Li  Li6  1  0.191  0.191  0.937  1.0
  In  In7  1  0.807  0.807  0.448  1.0
  Ge  Ge8  1  0.278  0.278  0.236  1.0
  Ge  Ge9  1  0.721  0.721  0.756  1.0
  Ge  Ge10  1  0.943  0.943  0.927  1.0
  Ge  Ge11  1  0.058  0.058  0.071  1.0
  Ge  Ge12  1  0.945  0.945  0.582  1.0
  Ge  Ge13  1  0.057  0.057  0.417  1.0
[/CIF]
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