The material described by Li3AlGeO5 is Stannite-like structured and crystallizes in the orthorhombic Pna2_1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form LiO4 tetrahedra that share corners with two equivalent Li(3)O4 tetrahedra, corners with three equivalent Al(1)O4 tetrahedra, corners with three equivalent Ge(1)O4 tetrahedra, and corners with four equivalent Li(2)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(2), one O(4), and two equivalent O(3) atoms to form LiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, and corners with four equivalent Ge(1)O4 tetrahedra. In the third Li site, Li(3) is bonded to one O(1), one O(4), and two equivalent O(5) atoms to form LiO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, corners with three equivalent Ge(1)O4 tetrahedra, and corners with four equivalent Al(1)O4 tetrahedra. Al(1) is bonded to one O(2), one O(5), and two equivalent O(1) atoms to form AlO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, corners with two equivalent Ge(1)O4 tetrahedra, corners with three equivalent Li(1)O4 tetrahedra, and corners with four equivalent Li(3)O4 tetrahedra. Ge(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form GeO4 tetrahedra that share corners with two equivalent Al(1)O4 tetrahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra, and corners with four equivalent Li(2)O4 tetrahedra. There are five inequivalent O sites. In the first O site, O(5) is bonded to two equivalent Li(3), one Al(1), and one Ge(1) atom to form OLi2AlGe tetrahedra that share  a cornercorner with one O(3)Li3Ge tetrahedra, corners with two equivalent O(2)Li2AlGe tetrahedra, corners with two equivalent O(5)Li2AlGe tetrahedra, corners with three equivalent O(4)Li3Ge tetrahedra, and corners with four equivalent O(1)Li2Al2 tetrahedra. In the second O site, O(1) is bonded to one Li(1), one Li(3), and two equivalent Al(1) atoms to form OLi2Al2 tetrahedra that share  a cornercorner with one O(3)Li3Ge tetrahedra, corners with two equivalent O(1)Li2Al2 tetrahedra, corners with two equivalent O(4)Li3Ge tetrahedra, corners with three equivalent O(2)Li2AlGe tetrahedra, and corners with four equivalent O(5)Li2AlGe tetrahedra. In the third O site, O(2) is bonded to one Li(1), one Li(2), one Al(1), and one Ge(1) atom to form OLi2AlGe tetrahedra that share corners with two equivalent O(5)Li2AlGe tetrahedra, corners with three equivalent O(1)Li2Al2 tetrahedra, corners with three equivalent O(4)Li3Ge tetrahedra, and corners with four equivalent O(3)Li3Ge tetrahedra. In the fourth O site, O(3) is bonded to one Li(1), two equivalent Li(2), and one Ge(1) atom to form OLi3Ge tetrahedra that share  a cornercorner with one O(1)Li2Al2 tetrahedra,  a cornercorner with one O(5)Li2AlGe tetrahedra, corners with two equivalent O(3)Li3Ge tetrahedra, corners with four equivalent O(2)Li2AlGe tetrahedra, and corners with four equivalent O(4)Li3Ge tetrahedra. In the fifth O site, O(4) is bonded to one Li(1), one Li(2), one Li(3), and one Ge(1) atom to form OLi3Ge tetrahedra that share corners with two equivalent O(1)Li2Al2 tetrahedra, corners with three equivalent O(2)Li2AlGe tetrahedra, corners with three equivalent O(5)Li2AlGe tetrahedra, and corners with four equivalent O(3)Li3Ge tetrahedra. is represented by the CIF file [CIF]
data_Li3AlGeO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.950
_cell_length_b   5.455
_cell_length_c   16.006
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   432.171
_cell_formula_units_Z   4
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
  Li  Li0  1  0.490  0.321  0.401  1.0
  Li  Li1  1  0.990  0.679  0.599  1.0
  Li  Li2  1  0.990  0.179  0.901  1.0
  Li  Li3  1  0.490  0.821  0.099  1.0
  Li  Li4  1  0.493  0.838  0.503  1.0
  Li  Li5  1  0.993  0.162  0.497  1.0
  Li  Li6  1  0.993  0.662  0.003  1.0
  Li  Li7  1  0.493  0.338  0.997  1.0
  Li  Li8  1  0.491  0.836  0.699  1.0
  Li  Li9  1  0.991  0.164  0.301  1.0
  Li  Li10  1  0.991  0.664  0.199  1.0
  Li  Li11  1  0.491  0.336  0.801  1.0
  Al  Al12  1  0.490  0.324  0.202  1.0
  Al  Al13  1  0.990  0.676  0.798  1.0
  Al  Al14  1  0.990  0.176  0.702  1.0
  Al  Al15  1  0.490  0.824  0.298  1.0
  Ge  Ge16  1  0.995  0.161  0.097  1.0
  Ge  Ge17  1  0.495  0.839  0.903  1.0
  Ge  Ge18  1  0.495  0.339  0.597  1.0
  Ge  Ge19  1  0.995  0.661  0.403  1.0
  O  O20  1  0.584  0.137  0.288  1.0
  O  O21  1  0.131  0.811  0.890  1.0
  O  O22  1  0.131  0.311  0.610  1.0
  O  O23  1  0.631  0.189  0.110  1.0
  O  O24  1  0.095  0.316  0.008  1.0
  O  O25  1  0.595  0.684  0.992  1.0
  O  O26  1  0.595  0.184  0.508  1.0
  O  O27  1  0.095  0.816  0.492  1.0
  O  O28  1  0.091  0.854  0.103  1.0
  O  O29  1  0.591  0.146  0.897  1.0
  O  O30  1  0.591  0.646  0.603  1.0
  O  O31  1  0.091  0.354  0.397  1.0
  O  O32  1  0.128  0.314  0.191  1.0
  O  O33  1  0.628  0.686  0.809  1.0
  O  O34  1  0.628  0.186  0.691  1.0
  O  O35  1  0.128  0.814  0.309  1.0
  O  O36  1  0.084  0.363  0.788  1.0
  O  O37  1  0.584  0.637  0.212  1.0
  O  O38  1  0.631  0.689  0.390  1.0
  O  O39  1  0.084  0.863  0.712  1.0
[/CIF]
.
The material described by Li3AlGeO5 is Stannite-like structured and crystallizes in the orthorhombic Pna2_1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form LiO4 tetrahedra that share corners with two equivalent Li(3)O4 tetrahedra, corners with three equivalent Al(1)O4 tetrahedra, corners with three equivalent Ge(1)O4 tetrahedra, and corners with four equivalent Li(2)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(2), one O(4), and two equivalent O(3) atoms to form LiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, and corners with four equivalent Ge(1)O4 tetrahedra. In the third Li site, Li(3) is bonded to one O(1), one O(4), and two equivalent O(5) atoms to form LiO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, corners with three equivalent Ge(1)O4 tetrahedra, and corners with four equivalent Al(1)O4 tetrahedra. Al(1) is bonded to one O(2), one O(5), and two equivalent O(1) atoms to form AlO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, corners with two equivalent Ge(1)O4 tetrahedra, corners with three equivalent Li(1)O4 tetrahedra, and corners with four equivalent Li(3)O4 tetrahedra. Ge(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form GeO4 tetrahedra that share corners with two equivalent Al(1)O4 tetrahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra, and corners with four equivalent Li(2)O4 tetrahedra. There are five inequivalent O sites. In the first O site, O(5) is bonded to two equivalent Li(3), one Al(1), and one Ge(1) atom to form OLi2AlGe tetrahedra that share  a cornercorner with one O(3)Li3Ge tetrahedra, corners with two equivalent O(2)Li2AlGe tetrahedra, corners with two equivalent O(5)Li2AlGe tetrahedra, corners with three equivalent O(4)Li3Ge tetrahedra, and corners with four equivalent O(1)Li2Al2 tetrahedra. In the second O site, O(1) is bonded to one Li(1), one Li(3), and two equivalent Al(1) atoms to form OLi2Al2 tetrahedra that share  a cornercorner with one O(3)Li3Ge tetrahedra, corners with two equivalent O(1)Li2Al2 tetrahedra, corners with two equivalent O(4)Li3Ge tetrahedra, corners with three equivalent O(2)Li2AlGe tetrahedra, and corners with four equivalent O(5)Li2AlGe tetrahedra. In the third O site, O(2) is bonded to one Li(1), one Li(2), one Al(1), and one Ge(1) atom to form OLi2AlGe tetrahedra that share corners with two equivalent O(5)Li2AlGe tetrahedra, corners with three equivalent O(1)Li2Al2 tetrahedra, corners with three equivalent O(4)Li3Ge tetrahedra, and corners with four equivalent O(3)Li3Ge tetrahedra. In the fourth O site, O(3) is bonded to one Li(1), two equivalent Li(2), and one Ge(1) atom to form OLi3Ge tetrahedra that share  a cornercorner with one O(1)Li2Al2 tetrahedra,  a cornercorner with one O(5)Li2AlGe tetrahedra, corners with two equivalent O(3)Li3Ge tetrahedra, corners with four equivalent O(2)Li2AlGe tetrahedra, and corners with four equivalent O(4)Li3Ge tetrahedra. In the fifth O site, O(4) is bonded to one Li(1), one Li(2), one Li(3), and one Ge(1) atom to form OLi3Ge tetrahedra that share corners with two equivalent O(1)Li2Al2 tetrahedra, corners with three equivalent O(2)Li2AlGe tetrahedra, corners with three equivalent O(5)Li2AlGe tetrahedra, and corners with four equivalent O(3)Li3Ge tetrahedra. is represented by the CIF file [CIF]
data_Li3AlGeO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.950
_cell_length_b   5.455
_cell_length_c   16.006
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   432.171
_cell_formula_units_Z   4
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
  Li  Li0  1  0.490  0.321  0.401  1.0
  Li  Li1  1  0.990  0.679  0.599  1.0
  Li  Li2  1  0.990  0.179  0.901  1.0
  Li  Li3  1  0.490  0.821  0.099  1.0
  Li  Li4  1  0.493  0.838  0.503  1.0
  Li  Li5  1  0.993  0.162  0.497  1.0
  Li  Li6  1  0.993  0.662  0.003  1.0
  Li  Li7  1  0.493  0.338  0.997  1.0
  Li  Li8  1  0.491  0.836  0.699  1.0
  Li  Li9  1  0.991  0.164  0.301  1.0
  Li  Li10  1  0.991  0.664  0.199  1.0
  Li  Li11  1  0.491  0.336  0.801  1.0
  Al  Al12  1  0.490  0.324  0.202  1.0
  Al  Al13  1  0.990  0.676  0.798  1.0
  Al  Al14  1  0.990  0.176  0.702  1.0
  Al  Al15  1  0.490  0.824  0.298  1.0
  Ge  Ge16  1  0.995  0.161  0.097  1.0
  Ge  Ge17  1  0.495  0.839  0.903  1.0
  Ge  Ge18  1  0.495  0.339  0.597  1.0
  Ge  Ge19  1  0.995  0.661  0.403  1.0
  O  O20  1  0.584  0.137  0.288  1.0
  O  O21  1  0.131  0.811  0.890  1.0
  O  O22  1  0.131  0.311  0.610  1.0
  O  O23  1  0.631  0.189  0.110  1.0
  O  O24  1  0.095  0.316  0.008  1.0
  O  O25  1  0.595  0.684  0.992  1.0
  O  O26  1  0.595  0.184  0.508  1.0
  O  O27  1  0.095  0.816  0.492  1.0
  O  O28  1  0.091  0.854  0.103  1.0
  O  O29  1  0.591  0.146  0.897  1.0
  O  O30  1  0.591  0.646  0.603  1.0
  O  O31  1  0.091  0.354  0.397  1.0
  O  O32  1  0.128  0.314  0.191  1.0
  O  O33  1  0.628  0.686  0.809  1.0
  O  O34  1  0.628  0.186  0.691  1.0
  O  O35  1  0.128  0.814  0.309  1.0
  O  O36  1  0.084  0.363  0.788  1.0
  O  O37  1  0.584  0.637  0.212  1.0
  O  O38  1  0.631  0.689  0.390  1.0
  O  O39  1  0.084  0.863  0.712  1.0
[/CIF]
.