The crystal structure described by Ca2Ga2Bi(B2O7)2 crystallizes in the monoclinic C2 space group. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 5-coordinate geometry to one O(12), one O(13), one O(4), one O(8), and one O(9) atom. In the second Ca site, Ca(2) is bonded in a 6-coordinate geometry to one O(12), one O(13), one O(2), one O(4), and two equivalent O(11) atoms. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a distorted water-like geometry to one B(3), one O(4), and one O(6) atom. In the second Ga site, Ga(2) is bonded in a distorted octahedral geometry to two equivalent O(10), two equivalent O(5), and two equivalent O(9) atoms. In the third Ga site, Ga(3) is bonded in a 6-coordinate geometry to two equivalent O(13), two equivalent O(15), and two equivalent O(2) atoms. There are four inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(10), one O(7), and one O(9) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(12), one O(3), and one O(5) atom. In the third B site, B(3) is bonded in a distorted trigonal non-coplanar geometry to one Ga(1), one O(1), one O(14), and one O(2) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(2), one O(6), and one O(8) atom. Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(4), one O(5), and two equivalent O(3) atoms. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one B(3) and one Bi(1) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Ca(2), one Ga(3), one B(3), and one B(4) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one B(2) and two equivalent Bi(1) atoms. In the fourth O site, O(4) is bonded in a tetrahedral geometry to one Ca(1), one Ca(2), one Ga(1), and one Bi(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Ga(2), one B(2), and one Bi(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Ga(1) and one B(4) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to two equivalent B(1) atoms. In the eighth O site, O(8) is bonded in a 1-coordinate geometry to one Ca(1) and one B(4) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Ca(1), one Ga(2), and one B(1) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Ga(2), one B(1), and one Bi(1) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to two equivalent Ca(2) and one O(11) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Ca(1), one Ca(2), and one B(2) atom. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Ca(1), one Ca(2), one Ga(3), and one O(13) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to two equivalent B(3) atoms. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Ga(3) and one O(15) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ca2Ga2Bi(B2O7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.163
_cell_length_b   9.163
_cell_length_c   6.841
_cell_angle_alpha   85.823
_cell_angle_beta   85.823
_cell_angle_gamma   88.423
_symmetry_Int_Tables_number   1
_cell_volume   571.140
_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
  Ca  Ca0  1  0.808  0.831  0.417  1.0
  Ca  Ca1  1  0.169  0.192  0.583  1.0
  Ca  Ca2  1  0.920  0.800  0.902  1.0
  Ca  Ca3  1  0.200  0.080  0.098  1.0
  Ga  Ga4  1  0.057  0.578  0.239  1.0
  Ga  Ga5  1  0.422  0.943  0.761  1.0
  Ga  Ga6  1  0.752  0.248  0.500  1.0
  Ga  Ga7  1  0.244  0.756  0.500  1.0
  Bi  Bi8  1  0.495  0.330  0.798  1.0
  Bi  Bi9  1  0.670  0.505  0.202  1.0
  B  B10  1  0.828  0.167  0.817  1.0
  B  B11  1  0.833  0.172  0.183  1.0
  B  B12  1  0.458  0.250  0.292  1.0
  B  B13  1  0.750  0.542  0.708  1.0
  B  B14  1  0.219  0.583  0.971  1.0
  B  B15  1  0.417  0.781  0.029  1.0
  B  B16  1  0.111  0.507  0.686  1.0
  B  B17  1  0.493  0.889  0.314  1.0
  O  O18  1  0.244  0.419  0.953  1.0
  O  O19  1  0.140  0.630  0.791  1.0
  O  O20  1  0.712  0.467  0.888  1.0
  O  O21  1  0.533  0.288  0.112  1.0
  O  O22  1  0.350  0.136  0.799  1.0
  O  O23  1  0.543  0.269  0.450  1.0
  O  O24  1  0.731  0.457  0.550  1.0
  O  O25  1  0.509  0.947  0.484  1.0
  O  O26  1  0.876  0.124  0.000  1.0
  O  O27  1  0.622  0.859  0.191  1.0
  O  O28  1  0.801  0.077  0.341  1.0
  O  O29  1  0.141  0.378  0.809  1.0
  O  O30  1  0.923  0.199  0.659  1.0
  O  O31  1  0.683  0.158  0.771  1.0
  O  O32  1  0.842  0.317  0.229  1.0
  O  O33  1  0.123  0.925  0.895  1.0
  O  O34  1  0.075  0.877  0.105  1.0
  O  O35  1  0.793  0.683  0.690  1.0
  O  O36  1  0.046  0.835  0.519  1.0
  O  O37  1  0.165  0.954  0.481  1.0
  O  O38  1  0.317  0.207  0.310  1.0
  O  O39  1  0.053  0.491  0.516  1.0
  O  O40  1  0.351  0.649  0.000  1.0
  O  O41  1  0.324  0.567  0.461  1.0
  O  O42  1  0.433  0.676  0.539  1.0
  O  O43  1  0.581  0.756  0.047  1.0
  O  O44  1  0.370  0.860  0.209  1.0
  O  O45  1  0.864  0.650  0.201  1.0
[/CIF]
.
The crystal structure described by Ca2Ga2Bi(B2O7)2 crystallizes in the monoclinic C2 space group. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 5-coordinate geometry to one O(12), one O(13), one O(4), one O(8), and one O(9) atom. In the second Ca site, Ca(2) is bonded in a 6-coordinate geometry to one O(12), one O(13), one O(2), one O(4), and two equivalent O(11) atoms. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a distorted water-like geometry to one B(3), one O(4), and one O(6) atom. In the second Ga site, Ga(2) is bonded in a distorted octahedral geometry to two equivalent O(10), two equivalent O(5), and two equivalent O(9) atoms. In the third Ga site, Ga(3) is bonded in a 6-coordinate geometry to two equivalent O(13), two equivalent O(15), and two equivalent O(2) atoms. There are four inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(10), one O(7), and one O(9) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(12), one O(3), and one O(5) atom. In the third B site, B(3) is bonded in a distorted trigonal non-coplanar geometry to one Ga(1), one O(1), one O(14), and one O(2) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(2), one O(6), and one O(8) atom. Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(4), one O(5), and two equivalent O(3) atoms. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one B(3) and one Bi(1) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Ca(2), one Ga(3), one B(3), and one B(4) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one B(2) and two equivalent Bi(1) atoms. In the fourth O site, O(4) is bonded in a tetrahedral geometry to one Ca(1), one Ca(2), one Ga(1), and one Bi(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Ga(2), one B(2), and one Bi(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Ga(1) and one B(4) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to two equivalent B(1) atoms. In the eighth O site, O(8) is bonded in a 1-coordinate geometry to one Ca(1) and one B(4) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Ca(1), one Ga(2), and one B(1) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Ga(2), one B(1), and one Bi(1) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to two equivalent Ca(2) and one O(11) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Ca(1), one Ca(2), and one B(2) atom. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Ca(1), one Ca(2), one Ga(3), and one O(13) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to two equivalent B(3) atoms. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Ga(3) and one O(15) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ca2Ga2Bi(B2O7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.163
_cell_length_b   9.163
_cell_length_c   6.841
_cell_angle_alpha   85.823
_cell_angle_beta   85.823
_cell_angle_gamma   88.423
_symmetry_Int_Tables_number   1
_cell_volume   571.140
_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
  Ca  Ca0  1  0.808  0.831  0.417  1.0
  Ca  Ca1  1  0.169  0.192  0.583  1.0
  Ca  Ca2  1  0.920  0.800  0.902  1.0
  Ca  Ca3  1  0.200  0.080  0.098  1.0
  Ga  Ga4  1  0.057  0.578  0.239  1.0
  Ga  Ga5  1  0.422  0.943  0.761  1.0
  Ga  Ga6  1  0.752  0.248  0.500  1.0
  Ga  Ga7  1  0.244  0.756  0.500  1.0
  Bi  Bi8  1  0.495  0.330  0.798  1.0
  Bi  Bi9  1  0.670  0.505  0.202  1.0
  B  B10  1  0.828  0.167  0.817  1.0
  B  B11  1  0.833  0.172  0.183  1.0
  B  B12  1  0.458  0.250  0.292  1.0
  B  B13  1  0.750  0.542  0.708  1.0
  B  B14  1  0.219  0.583  0.971  1.0
  B  B15  1  0.417  0.781  0.029  1.0
  B  B16  1  0.111  0.507  0.686  1.0
  B  B17  1  0.493  0.889  0.314  1.0
  O  O18  1  0.244  0.419  0.953  1.0
  O  O19  1  0.140  0.630  0.791  1.0
  O  O20  1  0.712  0.467  0.888  1.0
  O  O21  1  0.533  0.288  0.112  1.0
  O  O22  1  0.350  0.136  0.799  1.0
  O  O23  1  0.543  0.269  0.450  1.0
  O  O24  1  0.731  0.457  0.550  1.0
  O  O25  1  0.509  0.947  0.484  1.0
  O  O26  1  0.876  0.124  0.000  1.0
  O  O27  1  0.622  0.859  0.191  1.0
  O  O28  1  0.801  0.077  0.341  1.0
  O  O29  1  0.141  0.378  0.809  1.0
  O  O30  1  0.923  0.199  0.659  1.0
  O  O31  1  0.683  0.158  0.771  1.0
  O  O32  1  0.842  0.317  0.229  1.0
  O  O33  1  0.123  0.925  0.895  1.0
  O  O34  1  0.075  0.877  0.105  1.0
  O  O35  1  0.793  0.683  0.690  1.0
  O  O36  1  0.046  0.835  0.519  1.0
  O  O37  1  0.165  0.954  0.481  1.0
  O  O38  1  0.317  0.207  0.310  1.0
  O  O39  1  0.053  0.491  0.516  1.0
  O  O40  1  0.351  0.649  0.000  1.0
  O  O41  1  0.324  0.567  0.461  1.0
  O  O42  1  0.433  0.676  0.539  1.0
  O  O43  1  0.581  0.756  0.047  1.0
  O  O44  1  0.370  0.860  0.209  1.0
  O  O45  1  0.864  0.650  0.201  1.0
[/CIF]
.