The structure described by Cr3Pb10Si3(O12Cl)2 crystallizes in the monoclinic Pm space group. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in a tetrahedral geometry to one O(15), one O(3), and two equivalent O(9) atoms. In the second Cr site, Cr(2) is bonded in a tetrahedral geometry to one O(16), one O(4), and two equivalent O(10) atoms. In the third Cr site, Cr(3) is bonded in a tetrahedral geometry to one O(17), one O(5), and two equivalent O(11) atoms. There are eight inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 7-coordinate geometry to one O(1), one O(16), one O(17), one O(18), one O(2), one O(3), and one O(8) atom. In the second Pb site, Pb(2) is bonded in a 5-coordinate geometry to one O(12), one O(13), one O(14), one O(15), and one O(4) atom. In the third Pb site, Pb(3) is bonded in a 7-coordinate geometry to one O(4), two equivalent O(12), two equivalent O(7), and two equivalent Cl(1) atoms. In the fourth Pb site, Pb(4) is bonded in a 4-coordinate geometry to one O(18), one O(5), two equivalent O(8), and two equivalent Cl(1) atoms. In the fifth Pb site, Pb(5) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(11), two equivalent O(9), and two equivalent Cl(1) atoms. In the sixth Pb site, Pb(6) is bonded in a distorted T-shaped geometry to one O(1), two equivalent O(10), and two equivalent Cl(1) atoms. In the seventh Pb site, Pb(7) is bonded in a 3-coordinate geometry to one O(2), two equivalent O(7), and two equivalent Cl(1) atoms. In the eighth Pb site, Pb(8) is bonded in a 7-coordinate geometry to one O(3), two equivalent O(12), two equivalent O(8), and two equivalent Cl(1) atoms. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded in a tetrahedral geometry to one O(1), one O(13), and two equivalent O(7) atoms. In the second Si site, Si(2) is bonded in a tetrahedral geometry to one O(14), one O(2), and two equivalent O(8) atoms. In the third Si site, Si(3) is bonded in a tetrahedral geometry to one O(18), one O(6), and two equivalent O(12) atoms. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Pb(6), two equivalent Pb(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Pb(7), two equivalent Pb(1), and one Si(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Cr(1), one Pb(8), and two equivalent Pb(1) atoms. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Cr(2), one Pb(3), and two equivalent Pb(2) atoms. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Cr(3) and one Pb(4) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Pb(5) and one Si(3) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Pb(3), one Pb(7), and one Si(1) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(4), one Pb(8), and one Si(2) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Cr(1) and one Pb(5) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Cr(2) and one Pb(6) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one Cr(3) and one Pb(5) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Pb(2), one Pb(3), one Pb(8), and one Si(3) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to two equivalent Pb(2) and one Si(1) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to two equivalent Pb(2) and one Si(2) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Cr(1) and two equivalent Pb(2) atoms. In the sixteenth O site, O(16) is bonded in a single-bond geometry to one Cr(2) and two equivalent Pb(1) atoms. In the seventeenth O site, O(17) is bonded in a distorted single-bond geometry to one Cr(3) and two equivalent Pb(1) atoms. In the eighteenth O site, O(18) is bonded in a distorted single-bond geometry to one Pb(4), two equivalent Pb(1), and one Si(3) atom. Cl(1) is bonded in a 6-coordinate geometry to one Pb(3), one Pb(4), one Pb(5), one Pb(6), one Pb(7), and one Pb(8) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cr3Si3Pb10(ClO12)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.458
_cell_length_b   10.315
_cell_length_c   10.359
_cell_angle_alpha   60.148
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   691.137
_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
  Cr  Cr0  1  0.000  0.593  0.030  1.0
  Cr  Cr1  1  0.500  0.623  0.404  1.0
  Cr  Cr2  1  0.500  0.967  0.621  1.0
  Si  Si3  1  0.000  0.385  0.584  1.0
  Si  Si4  1  0.000  0.024  0.381  1.0
  Si  Si5  1  0.500  0.409  0.972  1.0
  Pb  Pb6  1  0.245  0.312  0.340  1.0
  Pb  Pb7  1  0.763  0.644  0.674  1.0
  Pb  Pb8  1  0.237  0.644  0.674  1.0
  Pb  Pb9  1  0.755  0.312  0.340  1.0
  Pb  Pb10  1  0.500  0.255  0.776  1.0
  Pb  Pb11  1  0.500  0.039  0.234  1.0
  Pb  Pb12  1  0.500  0.749  0.988  1.0
  Pb  Pb13  1  0.000  0.744  0.270  1.0
  Pb  Pb14  1  0.000  0.048  0.731  1.0
  Pb  Pb15  1  0.000  0.229  0.021  1.0
  Cl  Cl16  1  0.746  0.996  0.006  1.0
  Cl  Cl17  1  0.254  0.996  0.006  1.0
  O  O18  1  0.000  0.486  0.400  1.0
  O  O19  1  0.000  0.116  0.477  1.0
  O  O20  1  0.000  0.405  0.121  1.0
  O  O21  1  0.500  0.523  0.593  1.0
  O  O22  1  0.500  0.882  0.519  1.0
  O  O23  1  0.500  0.595  0.892  1.0
  O  O24  1  0.823  0.273  0.636  1.0
  O  O25  1  0.822  0.095  0.270  1.0
  O  O26  1  0.820  0.646  0.086  1.0
  O  O27  1  0.320  0.732  0.356  1.0
  O  O28  1  0.322  0.909  0.732  1.0
  O  O29  1  0.322  0.365  0.904  1.0
  O  O30  1  0.680  0.732  0.356  1.0
  O  O31  1  0.678  0.909  0.732  1.0
  O  O32  1  0.678  0.365  0.904  1.0
  O  O33  1  0.177  0.273  0.636  1.0
  O  O34  1  0.178  0.095  0.270  1.0
  O  O35  1  0.180  0.646  0.086  1.0
  O  O36  1  0.000  0.497  0.657  1.0
  O  O37  1  0.000  0.841  0.483  1.0
  O  O38  1  0.000  0.660  0.846  1.0
  O  O39  1  0.500  0.515  0.328  1.0
  O  O40  1  0.500  0.153  0.508  1.0
  O  O41  1  0.500  0.320  0.156  1.0
[/CIF]
.
The structure described by Cr3Pb10Si3(O12Cl)2 crystallizes in the monoclinic Pm space group. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in a tetrahedral geometry to one O(15), one O(3), and two equivalent O(9) atoms. In the second Cr site, Cr(2) is bonded in a tetrahedral geometry to one O(16), one O(4), and two equivalent O(10) atoms. In the third Cr site, Cr(3) is bonded in a tetrahedral geometry to one O(17), one O(5), and two equivalent O(11) atoms. There are eight inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 7-coordinate geometry to one O(1), one O(16), one O(17), one O(18), one O(2), one O(3), and one O(8) atom. In the second Pb site, Pb(2) is bonded in a 5-coordinate geometry to one O(12), one O(13), one O(14), one O(15), and one O(4) atom. In the third Pb site, Pb(3) is bonded in a 7-coordinate geometry to one O(4), two equivalent O(12), two equivalent O(7), and two equivalent Cl(1) atoms. In the fourth Pb site, Pb(4) is bonded in a 4-coordinate geometry to one O(18), one O(5), two equivalent O(8), and two equivalent Cl(1) atoms. In the fifth Pb site, Pb(5) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(11), two equivalent O(9), and two equivalent Cl(1) atoms. In the sixth Pb site, Pb(6) is bonded in a distorted T-shaped geometry to one O(1), two equivalent O(10), and two equivalent Cl(1) atoms. In the seventh Pb site, Pb(7) is bonded in a 3-coordinate geometry to one O(2), two equivalent O(7), and two equivalent Cl(1) atoms. In the eighth Pb site, Pb(8) is bonded in a 7-coordinate geometry to one O(3), two equivalent O(12), two equivalent O(8), and two equivalent Cl(1) atoms. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded in a tetrahedral geometry to one O(1), one O(13), and two equivalent O(7) atoms. In the second Si site, Si(2) is bonded in a tetrahedral geometry to one O(14), one O(2), and two equivalent O(8) atoms. In the third Si site, Si(3) is bonded in a tetrahedral geometry to one O(18), one O(6), and two equivalent O(12) atoms. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Pb(6), two equivalent Pb(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Pb(7), two equivalent Pb(1), and one Si(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Cr(1), one Pb(8), and two equivalent Pb(1) atoms. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Cr(2), one Pb(3), and two equivalent Pb(2) atoms. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Cr(3) and one Pb(4) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Pb(5) and one Si(3) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Pb(3), one Pb(7), and one Si(1) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(4), one Pb(8), and one Si(2) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Cr(1) and one Pb(5) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Cr(2) and one Pb(6) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one Cr(3) and one Pb(5) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Pb(2), one Pb(3), one Pb(8), and one Si(3) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to two equivalent Pb(2) and one Si(1) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to two equivalent Pb(2) and one Si(2) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Cr(1) and two equivalent Pb(2) atoms. In the sixteenth O site, O(16) is bonded in a single-bond geometry to one Cr(2) and two equivalent Pb(1) atoms. In the seventeenth O site, O(17) is bonded in a distorted single-bond geometry to one Cr(3) and two equivalent Pb(1) atoms. In the eighteenth O site, O(18) is bonded in a distorted single-bond geometry to one Pb(4), two equivalent Pb(1), and one Si(3) atom. Cl(1) is bonded in a 6-coordinate geometry to one Pb(3), one Pb(4), one Pb(5), one Pb(6), one Pb(7), and one Pb(8) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cr3Si3Pb10(ClO12)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.458
_cell_length_b   10.315
_cell_length_c   10.359
_cell_angle_alpha   60.148
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   691.137
_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
  Cr  Cr0  1  0.000  0.593  0.030  1.0
  Cr  Cr1  1  0.500  0.623  0.404  1.0
  Cr  Cr2  1  0.500  0.967  0.621  1.0
  Si  Si3  1  0.000  0.385  0.584  1.0
  Si  Si4  1  0.000  0.024  0.381  1.0
  Si  Si5  1  0.500  0.409  0.972  1.0
  Pb  Pb6  1  0.245  0.312  0.340  1.0
  Pb  Pb7  1  0.763  0.644  0.674  1.0
  Pb  Pb8  1  0.237  0.644  0.674  1.0
  Pb  Pb9  1  0.755  0.312  0.340  1.0
  Pb  Pb10  1  0.500  0.255  0.776  1.0
  Pb  Pb11  1  0.500  0.039  0.234  1.0
  Pb  Pb12  1  0.500  0.749  0.988  1.0
  Pb  Pb13  1  0.000  0.744  0.270  1.0
  Pb  Pb14  1  0.000  0.048  0.731  1.0
  Pb  Pb15  1  0.000  0.229  0.021  1.0
  Cl  Cl16  1  0.746  0.996  0.006  1.0
  Cl  Cl17  1  0.254  0.996  0.006  1.0
  O  O18  1  0.000  0.486  0.400  1.0
  O  O19  1  0.000  0.116  0.477  1.0
  O  O20  1  0.000  0.405  0.121  1.0
  O  O21  1  0.500  0.523  0.593  1.0
  O  O22  1  0.500  0.882  0.519  1.0
  O  O23  1  0.500  0.595  0.892  1.0
  O  O24  1  0.823  0.273  0.636  1.0
  O  O25  1  0.822  0.095  0.270  1.0
  O  O26  1  0.820  0.646  0.086  1.0
  O  O27  1  0.320  0.732  0.356  1.0
  O  O28  1  0.322  0.909  0.732  1.0
  O  O29  1  0.322  0.365  0.904  1.0
  O  O30  1  0.680  0.732  0.356  1.0
  O  O31  1  0.678  0.909  0.732  1.0
  O  O32  1  0.678  0.365  0.904  1.0
  O  O33  1  0.177  0.273  0.636  1.0
  O  O34  1  0.178  0.095  0.270  1.0
  O  O35  1  0.180  0.646  0.086  1.0
  O  O36  1  0.000  0.497  0.657  1.0
  O  O37  1  0.000  0.841  0.483  1.0
  O  O38  1  0.000  0.660  0.846  1.0
  O  O39  1  0.500  0.515  0.328  1.0
  O  O40  1  0.500  0.153  0.508  1.0
  O  O41  1  0.500  0.320  0.156  1.0
[/CIF]
.