The crystal structure described by Cs2Li2B2P4O15 crystallizes in the triclinic P-1 space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 6-coordinate geometry to one O(13), one O(15), one O(2), one O(7), and two equivalent O(10) atoms. In the second Cs site, Cs(2) is bonded in a 7-coordinate geometry to one O(1), one O(12), one O(15), one O(2), one O(3), one O(7), and one O(9) atom. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(13), one O(15), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(14), one O(2), one O(7), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one B(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. There are two inequivalent B sites. In the first B site, B(1) is bonded to one O(12), one O(14), one O(4), and one O(9) atom to form BO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. In the second B site, B(2) is bonded to one O(1), one O(3), one O(5), and one O(6) atom to form BO4 tetrahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one B(1)O4 tetrahedra, and corners with two equivalent B(2)O4 tetrahedra. In the second P site, P(2) is bonded to one O(12), one O(5), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one B(1)O4 tetrahedra, and corners with two equivalent B(2)O4 tetrahedra. In the third P site, P(3) is bonded to one O(10), one O(11), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one B(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent Li(1)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(11), one O(13), one O(14), and one O(15) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one B(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent Li(1)O4 tetrahedra. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Cs(2), one B(2), and one P(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Cs(1), one Cs(2), one Li(2), and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Cs(2), one B(2), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one B(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one B(2) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one B(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Cs(1), one Cs(2), one Li(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Li(1), one Li(2), and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Cs(2), one B(1), and one P(3) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to two equivalent Cs(1), one Li(1), and one P(3) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one P(3) and one P(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Cs(2), one B(1), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Cs(1), one Li(1), and one P(4) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Li(2), one B(1), and one P(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Cs(1), one Cs(2), one Li(1), and one P(4) atom. is represented by the CIF file [CIF]
data_Cs2Li2B2P4O15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.274
_cell_length_b   7.980
_cell_length_c   14.274
_cell_angle_alpha   86.042
_cell_angle_beta   104.363
_cell_angle_gamma   113.803
_symmetry_Int_Tables_number   1
_cell_volume   733.942
_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
  Cs  Cs0  1  0.282  0.188  0.134  1.0
  Cs  Cs1  1  0.718  0.812  0.866  1.0
  Cs  Cs2  1  0.901  0.240  0.351  1.0
  Cs  Cs3  1  0.099  0.760  0.649  1.0
  Li  Li4  1  0.778  0.227  0.009  1.0
  Li  Li5  1  0.222  0.773  0.991  1.0
  Li  Li6  1  0.289  0.742  0.224  1.0
  Li  Li7  1  0.711  0.258  0.776  1.0
  B  B8  1  0.864  0.717  0.286  1.0
  B  B9  1  0.136  0.283  0.714  1.0
  B  B10  1  0.537  0.757  0.510  1.0
  B  B11  1  0.463  0.243  0.490  1.0
  P  P12  1  0.264  0.891  0.402  1.0
  P  P13  1  0.736  0.109  0.598  1.0
  P  P14  1  0.517  0.530  0.360  1.0
  P  P15  1  0.483  0.470  0.640  1.0
  P  P16  1  0.660  0.842  0.129  1.0
  P  P17  1  0.340  0.158  0.871  1.0
  P  P18  1  0.835  0.581  0.110  1.0
  P  P19  1  0.165  0.419  0.890  1.0
  O  O20  1  0.324  0.745  0.468  1.0
  O  O21  1  0.676  0.255  0.532  1.0
  O  O22  1  0.363  0.945  0.318  1.0
  O  O23  1  0.637  0.055  0.682  1.0
  O  O24  1  0.310  0.052  0.473  1.0
  O  O25  1  0.690  0.948  0.527  1.0
  O  O26  1  0.023  0.802  0.375  1.0
  O  O27  1  0.977  0.198  0.625  1.0
  O  O28  1  0.611  0.674  0.446  1.0
  O  O29  1  0.389  0.326  0.554  1.0
  O  O30  1  0.456  0.331  0.397  1.0
  O  O31  1  0.544  0.669  0.603  1.0
  O  O32  1  0.334  0.539  0.286  1.0
  O  O33  1  0.666  0.461  0.714  1.0
  O  O34  1  0.440  0.821  0.121  1.0
  O  O35  1  0.560  0.179  0.879  1.0
  O  O36  1  0.779  0.852  0.241  1.0
  O  O37  1  0.221  0.148  0.759  1.0
  O  O38  1  0.789  0.998  0.077  1.0
  O  O39  1  0.211  0.002  0.923  1.0
  O  O40  1  0.643  0.647  0.090  1.0
  O  O41  1  0.357  0.353  0.910  1.0
  O  O42  1  0.704  0.552  0.316  1.0
  O  O43  1  0.296  0.448  0.684  1.0
  O  O44  1  0.978  0.683  0.046  1.0
  O  O45  1  0.022  0.317  0.954  1.0
  O  O46  1  0.953  0.655  0.220  1.0
  O  O47  1  0.047  0.345  0.780  1.0
  O  O48  1  0.742  0.375  0.104  1.0
  O  O49  1  0.258  0.625  0.896  1.0
[/CIF]
.
The crystal structure described by Cs2Li2B2P4O15 crystallizes in the triclinic P-1 space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 6-coordinate geometry to one O(13), one O(15), one O(2), one O(7), and two equivalent O(10) atoms. In the second Cs site, Cs(2) is bonded in a 7-coordinate geometry to one O(1), one O(12), one O(15), one O(2), one O(3), one O(7), and one O(9) atom. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(13), one O(15), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(14), one O(2), one O(7), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one B(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. There are two inequivalent B sites. In the first B site, B(1) is bonded to one O(12), one O(14), one O(4), and one O(9) atom to form BO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. In the second B site, B(2) is bonded to one O(1), one O(3), one O(5), and one O(6) atom to form BO4 tetrahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one B(1)O4 tetrahedra, and corners with two equivalent B(2)O4 tetrahedra. In the second P site, P(2) is bonded to one O(12), one O(5), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one B(1)O4 tetrahedra, and corners with two equivalent B(2)O4 tetrahedra. In the third P site, P(3) is bonded to one O(10), one O(11), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one B(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent Li(1)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(11), one O(13), one O(14), and one O(15) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one B(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent Li(1)O4 tetrahedra. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Cs(2), one B(2), and one P(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Cs(1), one Cs(2), one Li(2), and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Cs(2), one B(2), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one B(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one B(2) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one B(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Cs(1), one Cs(2), one Li(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Li(1), one Li(2), and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Cs(2), one B(1), and one P(3) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to two equivalent Cs(1), one Li(1), and one P(3) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one P(3) and one P(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Cs(2), one B(1), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Cs(1), one Li(1), and one P(4) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Li(2), one B(1), and one P(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Cs(1), one Cs(2), one Li(1), and one P(4) atom. is represented by the CIF file [CIF]
data_Cs2Li2B2P4O15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.274
_cell_length_b   7.980
_cell_length_c   14.274
_cell_angle_alpha   86.042
_cell_angle_beta   104.363
_cell_angle_gamma   113.803
_symmetry_Int_Tables_number   1
_cell_volume   733.942
_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
  Cs  Cs0  1  0.282  0.188  0.134  1.0
  Cs  Cs1  1  0.718  0.812  0.866  1.0
  Cs  Cs2  1  0.901  0.240  0.351  1.0
  Cs  Cs3  1  0.099  0.760  0.649  1.0
  Li  Li4  1  0.778  0.227  0.009  1.0
  Li  Li5  1  0.222  0.773  0.991  1.0
  Li  Li6  1  0.289  0.742  0.224  1.0
  Li  Li7  1  0.711  0.258  0.776  1.0
  B  B8  1  0.864  0.717  0.286  1.0
  B  B9  1  0.136  0.283  0.714  1.0
  B  B10  1  0.537  0.757  0.510  1.0
  B  B11  1  0.463  0.243  0.490  1.0
  P  P12  1  0.264  0.891  0.402  1.0
  P  P13  1  0.736  0.109  0.598  1.0
  P  P14  1  0.517  0.530  0.360  1.0
  P  P15  1  0.483  0.470  0.640  1.0
  P  P16  1  0.660  0.842  0.129  1.0
  P  P17  1  0.340  0.158  0.871  1.0
  P  P18  1  0.835  0.581  0.110  1.0
  P  P19  1  0.165  0.419  0.890  1.0
  O  O20  1  0.324  0.745  0.468  1.0
  O  O21  1  0.676  0.255  0.532  1.0
  O  O22  1  0.363  0.945  0.318  1.0
  O  O23  1  0.637  0.055  0.682  1.0
  O  O24  1  0.310  0.052  0.473  1.0
  O  O25  1  0.690  0.948  0.527  1.0
  O  O26  1  0.023  0.802  0.375  1.0
  O  O27  1  0.977  0.198  0.625  1.0
  O  O28  1  0.611  0.674  0.446  1.0
  O  O29  1  0.389  0.326  0.554  1.0
  O  O30  1  0.456  0.331  0.397  1.0
  O  O31  1  0.544  0.669  0.603  1.0
  O  O32  1  0.334  0.539  0.286  1.0
  O  O33  1  0.666  0.461  0.714  1.0
  O  O34  1  0.440  0.821  0.121  1.0
  O  O35  1  0.560  0.179  0.879  1.0
  O  O36  1  0.779  0.852  0.241  1.0
  O  O37  1  0.221  0.148  0.759  1.0
  O  O38  1  0.789  0.998  0.077  1.0
  O  O39  1  0.211  0.002  0.923  1.0
  O  O40  1  0.643  0.647  0.090  1.0
  O  O41  1  0.357  0.353  0.910  1.0
  O  O42  1  0.704  0.552  0.316  1.0
  O  O43  1  0.296  0.448  0.684  1.0
  O  O44  1  0.978  0.683  0.046  1.0
  O  O45  1  0.022  0.317  0.954  1.0
  O  O46  1  0.953  0.655  0.220  1.0
  O  O47  1  0.047  0.345  0.780  1.0
  O  O48  1  0.742  0.375  0.104  1.0
  O  O49  1  0.258  0.625  0.896  1.0
[/CIF]
.