The crystal structure described by LiLa5Si4N10O crystallizes in the triclinic P1 space group. Li(1) is bonded in a 3-coordinate geometry to one N(10), one N(8), and one N(9) atom. There are five inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one N(1), one N(10), one N(2), one N(5), one N(6), one N(7), one N(8), and one N(9) atom. In the second La site, La(2) is bonded in a 5-coordinate geometry to one N(3), one N(7), one N(8), one N(9), and one O(1) atom. In the third La site, La(3) is bonded in a 8-coordinate geometry to one N(1), one N(10), one N(2), one N(3), one N(4), one N(5), one N(7), and one N(9) atom. In the fourth La site, La(4) is bonded in a 8-coordinate geometry to one N(1), one N(2), one N(3), one N(4), one N(5), one N(6), one N(8), and one O(1) atom. In the fifth La site, La(5) is bonded to one N(10), one N(2), one N(3), one N(6), one N(7), one N(8), one N(9), and one O(1) atom to form distorted LaN7O hexagonal bipyramids that share  a cornercorner with one Si(3)N4 tetrahedra,  a cornercorner with one Si(4)N4 tetrahedra,  an edgeedge with one Si(2)N3O tetrahedra,  an edgeedge with one Si(1)N4 tetrahedra,  an edgeedge with one Si(3)N4 tetrahedra, and  an edgeedge with one Si(4)N4 tetrahedra. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded to one N(1), one N(10), one N(2), and one N(4) atom to form SiN4 tetrahedra that share  a cornercorner with one Si(2)N3O tetrahedra,  a cornercorner with one Si(3)N4 tetrahedra,  a cornercorner with one Si(4)N4 tetrahedra, and  an edgeedge with one La(5)N7O hexagonal bipyramid. In the second Si site, Si(2) is bonded to one N(1), one N(3), one N(5), and one O(1) atom to form SiN3O tetrahedra that share  a cornercorner with one Si(1)N4 tetrahedra,  a cornercorner with one Si(3)N4 tetrahedra,  a cornercorner with one Si(4)N4 tetrahedra, and  an edgeedge with one La(5)N7O hexagonal bipyramid. In the third Si site, Si(3) is bonded to one N(3), one N(4), one N(6), and one N(8) atom to form SiN4 tetrahedra that share  a cornercorner with one La(5)N7O hexagonal bipyramid,  a cornercorner with one Si(2)N3O tetrahedra,  a cornercorner with one Si(1)N4 tetrahedra, and  an edgeedge with one La(5)N7O hexagonal bipyramid. In the fourth Si site, Si(4) is bonded to one N(2), one N(5), one N(7), and one N(9) atom to form SiN4 tetrahedra that share  a cornercorner with one La(5)N7O hexagonal bipyramid,  a cornercorner with one Si(2)N3O tetrahedra,  a cornercorner with one Si(1)N4 tetrahedra, and  an edgeedge with one La(5)N7O hexagonal bipyramid. There are ten inequivalent N sites. In the first N site, N(1) is bonded in a distorted linear geometry to one La(1), one La(3), one La(4), one Si(1), and one Si(2) atom. In the second N site, N(2) is bonded in a 2-coordinate geometry to one La(1), one La(3), one La(4), one La(5), one Si(1), and one Si(4) atom. In the third N site, N(3) is bonded in a 2-coordinate geometry to one La(2), one La(3), one La(4), one La(5), one Si(2), and one Si(3) atom. In the fourth N site, N(4) is bonded in a 2-coordinate geometry to one La(3), one La(4), one Si(1), and one Si(3) atom. In the fifth N site, N(5) is bonded in a 2-coordinate geometry to one La(1), one La(3), one La(4), one Si(2), and one Si(4) atom. In the sixth N site, N(6) is bonded in a 4-coordinate geometry to one La(1), one La(4), one La(5), and one Si(3) atom. In the seventh N site, N(7) is bonded in a 4-coordinate geometry to one La(1), one La(2), one La(3), one La(5), and one Si(4) atom. In the eighth N site, N(8) is bonded in a 6-coordinate geometry to one Li(1), one La(1), one La(2), one La(4), one La(5), and one Si(3) atom. In the ninth N site, N(9) is bonded in a 6-coordinate geometry to one Li(1), one La(1), one La(2), one La(3), one La(5), and one Si(4) atom. In the tenth N site, N(10) is bonded in a 5-coordinate geometry to one Li(1), one La(1), one La(3), one La(5), and one Si(1) atom. O(1) is bonded in a 1-coordinate geometry to one La(2), one La(4), one La(5), and one Si(2) atom. is represented by the CIF file [CIF]
data_LiLa5Si4N10O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.768
_cell_length_b   6.587
_cell_length_c   8.389
_cell_angle_alpha   103.138
_cell_angle_beta   107.612
_cell_angle_gamma   94.607
_symmetry_Int_Tables_number   1
_cell_volume   291.975
_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
  Li  Li0  1  0.493  0.005  0.492  1.0
  La  La1  1  0.912  0.147  0.332  1.0
  La  La2  1  0.087  0.850  0.663  1.0
  La  La3  1  0.285  0.735  0.132  1.0
  La  La4  1  0.717  0.281  0.876  1.0
  La  La5  1  0.494  0.486  0.491  1.0
  Si  Si6  1  0.377  0.208  0.095  1.0
  Si  Si7  1  0.619  0.790  0.908  1.0
  Si  Si8  1  0.172  0.356  0.742  1.0
  Si  Si9  1  0.829  0.644  0.260  1.0
  N  N10  1  0.503  0.003  0.996  1.0
  N  N11  1  0.636  0.404  0.204  1.0
  N  N12  1  0.367  0.595  0.790  1.0
  N  N13  1  0.169  0.295  0.936  1.0
  N  N14  1  0.829  0.703  0.063  1.0
  N  N15  1  0.867  0.364  0.631  1.0
  N  N16  1  0.135  0.643  0.373  1.0
  N  N17  1  0.294  0.171  0.620  1.0
  N  N18  1  0.709  0.825  0.387  1.0
  N  N19  1  0.276  0.128  0.246  1.0
  O  O20  1  0.731  0.865  0.765  1.0
[/CIF]
.
The crystal structure described by LiLa5Si4N10O crystallizes in the triclinic P1 space group. Li(1) is bonded in a 3-coordinate geometry to one N(10), one N(8), and one N(9) atom. There are five inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one N(1), one N(10), one N(2), one N(5), one N(6), one N(7), one N(8), and one N(9) atom. In the second La site, La(2) is bonded in a 5-coordinate geometry to one N(3), one N(7), one N(8), one N(9), and one O(1) atom. In the third La site, La(3) is bonded in a 8-coordinate geometry to one N(1), one N(10), one N(2), one N(3), one N(4), one N(5), one N(7), and one N(9) atom. In the fourth La site, La(4) is bonded in a 8-coordinate geometry to one N(1), one N(2), one N(3), one N(4), one N(5), one N(6), one N(8), and one O(1) atom. In the fifth La site, La(5) is bonded to one N(10), one N(2), one N(3), one N(6), one N(7), one N(8), one N(9), and one O(1) atom to form distorted LaN7O hexagonal bipyramids that share  a cornercorner with one Si(3)N4 tetrahedra,  a cornercorner with one Si(4)N4 tetrahedra,  an edgeedge with one Si(2)N3O tetrahedra,  an edgeedge with one Si(1)N4 tetrahedra,  an edgeedge with one Si(3)N4 tetrahedra, and  an edgeedge with one Si(4)N4 tetrahedra. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded to one N(1), one N(10), one N(2), and one N(4) atom to form SiN4 tetrahedra that share  a cornercorner with one Si(2)N3O tetrahedra,  a cornercorner with one Si(3)N4 tetrahedra,  a cornercorner with one Si(4)N4 tetrahedra, and  an edgeedge with one La(5)N7O hexagonal bipyramid. In the second Si site, Si(2) is bonded to one N(1), one N(3), one N(5), and one O(1) atom to form SiN3O tetrahedra that share  a cornercorner with one Si(1)N4 tetrahedra,  a cornercorner with one Si(3)N4 tetrahedra,  a cornercorner with one Si(4)N4 tetrahedra, and  an edgeedge with one La(5)N7O hexagonal bipyramid. In the third Si site, Si(3) is bonded to one N(3), one N(4), one N(6), and one N(8) atom to form SiN4 tetrahedra that share  a cornercorner with one La(5)N7O hexagonal bipyramid,  a cornercorner with one Si(2)N3O tetrahedra,  a cornercorner with one Si(1)N4 tetrahedra, and  an edgeedge with one La(5)N7O hexagonal bipyramid. In the fourth Si site, Si(4) is bonded to one N(2), one N(5), one N(7), and one N(9) atom to form SiN4 tetrahedra that share  a cornercorner with one La(5)N7O hexagonal bipyramid,  a cornercorner with one Si(2)N3O tetrahedra,  a cornercorner with one Si(1)N4 tetrahedra, and  an edgeedge with one La(5)N7O hexagonal bipyramid. There are ten inequivalent N sites. In the first N site, N(1) is bonded in a distorted linear geometry to one La(1), one La(3), one La(4), one Si(1), and one Si(2) atom. In the second N site, N(2) is bonded in a 2-coordinate geometry to one La(1), one La(3), one La(4), one La(5), one Si(1), and one Si(4) atom. In the third N site, N(3) is bonded in a 2-coordinate geometry to one La(2), one La(3), one La(4), one La(5), one Si(2), and one Si(3) atom. In the fourth N site, N(4) is bonded in a 2-coordinate geometry to one La(3), one La(4), one Si(1), and one Si(3) atom. In the fifth N site, N(5) is bonded in a 2-coordinate geometry to one La(1), one La(3), one La(4), one Si(2), and one Si(4) atom. In the sixth N site, N(6) is bonded in a 4-coordinate geometry to one La(1), one La(4), one La(5), and one Si(3) atom. In the seventh N site, N(7) is bonded in a 4-coordinate geometry to one La(1), one La(2), one La(3), one La(5), and one Si(4) atom. In the eighth N site, N(8) is bonded in a 6-coordinate geometry to one Li(1), one La(1), one La(2), one La(4), one La(5), and one Si(3) atom. In the ninth N site, N(9) is bonded in a 6-coordinate geometry to one Li(1), one La(1), one La(2), one La(3), one La(5), and one Si(4) atom. In the tenth N site, N(10) is bonded in a 5-coordinate geometry to one Li(1), one La(1), one La(3), one La(5), and one Si(1) atom. O(1) is bonded in a 1-coordinate geometry to one La(2), one La(4), one La(5), and one Si(2) atom. is represented by the CIF file [CIF]
data_LiLa5Si4N10O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.768
_cell_length_b   6.587
_cell_length_c   8.389
_cell_angle_alpha   103.138
_cell_angle_beta   107.612
_cell_angle_gamma   94.607
_symmetry_Int_Tables_number   1
_cell_volume   291.975
_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
  Li  Li0  1  0.493  0.005  0.492  1.0
  La  La1  1  0.912  0.147  0.332  1.0
  La  La2  1  0.087  0.850  0.663  1.0
  La  La3  1  0.285  0.735  0.132  1.0
  La  La4  1  0.717  0.281  0.876  1.0
  La  La5  1  0.494  0.486  0.491  1.0
  Si  Si6  1  0.377  0.208  0.095  1.0
  Si  Si7  1  0.619  0.790  0.908  1.0
  Si  Si8  1  0.172  0.356  0.742  1.0
  Si  Si9  1  0.829  0.644  0.260  1.0
  N  N10  1  0.503  0.003  0.996  1.0
  N  N11  1  0.636  0.404  0.204  1.0
  N  N12  1  0.367  0.595  0.790  1.0
  N  N13  1  0.169  0.295  0.936  1.0
  N  N14  1  0.829  0.703  0.063  1.0
  N  N15  1  0.867  0.364  0.631  1.0
  N  N16  1  0.135  0.643  0.373  1.0
  N  N17  1  0.294  0.171  0.620  1.0
  N  N18  1  0.709  0.825  0.387  1.0
  N  N19  1  0.276  0.128  0.246  1.0
  O  O20  1  0.731  0.865  0.765  1.0
[/CIF]
.