The crystal structure described by Ca(ReO5)2 crystallizes in the monoclinic Cc space group. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(14), one O(15), one O(19), one O(20), one O(4), and one O(6) atom. In the second Ca site, Ca(2) is bonded in a 8-coordinate geometry to one O(11), one O(12), one O(18), one O(2), one O(20), one O(3), one O(4), and one O(7) atom. There are four inequivalent Re sites. In the first Re site, Re(1) is bonded in a tetrahedral geometry to one O(13), one O(14), one O(15), and one O(2) atom. In the second Re site, Re(2) is bonded in a tetrahedral geometry to one O(1), one O(11), one O(12), and one O(5) atom. In the third Re site, Re(3) is bonded in a tetrahedral geometry to one O(16), one O(17), one O(18), and one O(3) atom. In the fourth Re site, Re(4) is bonded in a tetrahedral geometry to one O(10), one O(6), one O(8), and one O(9) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to one Ca(1) and one Re(2) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Ca(2) and one Re(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Ca(2) and one Re(3) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Ca(1) and one Ca(2) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one Re(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Ca(1) and one Re(4) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Ca(2) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one Re(4) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one Re(4) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Ca(1) and one Re(4) atom. In the eleventh O site, O(11) is bonded in a linear geometry to one Ca(2) and one Re(2) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Ca(2) and one Re(2) atom. In the thirteenth O site, O(13) is bonded in a single-bond geometry to one Re(1) atom. In the fourteenth O site, O(14) is bonded in a linear geometry to one Ca(1) and one Re(1) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one Ca(1) and one Re(1) atom. In the sixteenth O site, O(16) is bonded in a single-bond geometry to one Re(3) atom. In the seventeenth O site, O(17) is bonded in a single-bond geometry to one Re(3) atom. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one Ca(2) and one Re(3) atom. In the nineteenth O site, O(19) is bonded in a single-bond geometry to one Ca(1) atom. In the twentieth O site, O(20) is bonded in a water-like geometry to one Ca(1) and one Ca(2) atom. is represented by the CIF file [CIF]
data_Ca(ReO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.435
_cell_length_b   10.435
_cell_length_c   14.254
_cell_angle_alpha   67.154
_cell_angle_beta   67.154
_cell_angle_gamma   40.163
_symmetry_Int_Tables_number   1
_cell_volume   911.425
_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
  Ca  Ca0  1  0.680  0.940  0.962  1.0
  Ca  Ca1  1  0.940  0.680  0.462  1.0
  Ca  Ca2  1  0.655  0.398  0.857  1.0
  Ca  Ca3  1  0.398  0.655  0.357  1.0
  Re  Re4  1  0.633  0.851  0.728  1.0
  Re  Re5  1  0.851  0.633  0.228  1.0
  Re  Re6  1  0.484  0.702  0.594  1.0
  Re  Re7  1  0.702  0.484  0.094  1.0
  Re  Re8  1  0.846  0.139  0.492  1.0
  Re  Re9  1  0.139  0.846  0.992  1.0
  Re  Re10  1  0.191  0.493  0.836  1.0
  Re  Re11  1  0.493  0.191  0.336  1.0
  O  O12  1  0.661  0.711  0.542  1.0
  O  O13  1  0.711  0.661  0.042  1.0
  O  O14  1  0.609  0.686  0.780  1.0
  O  O15  1  0.686  0.609  0.280  1.0
  O  O16  1  0.890  0.046  0.955  1.0
  O  O17  1  0.046  0.890  0.455  1.0
  O  O18  1  0.805  0.084  0.816  1.0
  O  O19  1  0.084  0.805  0.316  1.0
  O  O20  1  0.261  0.918  0.646  1.0
  O  O21  1  0.918  0.261  0.146  1.0
  O  O22  1  0.443  0.291  0.868  1.0
  O  O23  1  0.291  0.443  0.368  1.0
  O  O24  1  0.016  0.210  0.798  1.0
  O  O25  1  0.210  0.016  0.298  1.0
  O  O26  1  0.107  0.399  0.838  1.0
  O  O27  1  0.399  0.107  0.338  1.0
  O  O28  1  0.180  0.628  0.715  1.0
  O  O29  1  0.628  0.180  0.215  1.0
  O  O30  1  0.027  0.657  0.928  1.0
  O  O31  1  0.657  0.027  0.428  1.0
  O  O32  1  0.683  0.437  0.997  1.0
  O  O33  1  0.437  0.683  0.497  1.0
  O  O34  1  0.581  0.492  0.692  1.0
  O  O35  1  0.492  0.581  0.192  1.0
  O  O36  1  0.420  0.080  0.676  1.0
  O  O37  1  0.080  0.420  0.176  1.0
  O  O38  1  0.664  0.886  0.825  1.0
  O  O39  1  0.886  0.664  0.325  1.0
  O  O40  1  0.844  0.746  0.630  1.0
  O  O41  1  0.746  0.844  0.130  1.0
  O  O42  1  0.719  0.139  0.614  1.0
  O  O43  1  0.139  0.719  0.114  1.0
  O  O44  1  0.942  0.219  0.491  1.0
  O  O45  1  0.219  0.942  0.991  1.0
  O  O46  1  0.310  0.673  0.904  1.0
  O  O47  1  0.673  0.310  0.404  1.0
  O  O48  1  0.095  0.340  0.554  1.0
  O  O49  1  0.340  0.095  0.054  1.0
  O  O50  1  0.248  0.525  0.517  1.0
  O  O51  1  0.525  0.248  0.017  1.0
[/CIF]
.
The crystal structure described by Ca(ReO5)2 crystallizes in the monoclinic Cc space group. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(14), one O(15), one O(19), one O(20), one O(4), and one O(6) atom. In the second Ca site, Ca(2) is bonded in a 8-coordinate geometry to one O(11), one O(12), one O(18), one O(2), one O(20), one O(3), one O(4), and one O(7) atom. There are four inequivalent Re sites. In the first Re site, Re(1) is bonded in a tetrahedral geometry to one O(13), one O(14), one O(15), and one O(2) atom. In the second Re site, Re(2) is bonded in a tetrahedral geometry to one O(1), one O(11), one O(12), and one O(5) atom. In the third Re site, Re(3) is bonded in a tetrahedral geometry to one O(16), one O(17), one O(18), and one O(3) atom. In the fourth Re site, Re(4) is bonded in a tetrahedral geometry to one O(10), one O(6), one O(8), and one O(9) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to one Ca(1) and one Re(2) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Ca(2) and one Re(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Ca(2) and one Re(3) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Ca(1) and one Ca(2) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one Re(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Ca(1) and one Re(4) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Ca(2) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one Re(4) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one Re(4) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Ca(1) and one Re(4) atom. In the eleventh O site, O(11) is bonded in a linear geometry to one Ca(2) and one Re(2) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Ca(2) and one Re(2) atom. In the thirteenth O site, O(13) is bonded in a single-bond geometry to one Re(1) atom. In the fourteenth O site, O(14) is bonded in a linear geometry to one Ca(1) and one Re(1) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one Ca(1) and one Re(1) atom. In the sixteenth O site, O(16) is bonded in a single-bond geometry to one Re(3) atom. In the seventeenth O site, O(17) is bonded in a single-bond geometry to one Re(3) atom. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one Ca(2) and one Re(3) atom. In the nineteenth O site, O(19) is bonded in a single-bond geometry to one Ca(1) atom. In the twentieth O site, O(20) is bonded in a water-like geometry to one Ca(1) and one Ca(2) atom. is represented by the CIF file [CIF]
data_Ca(ReO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.435
_cell_length_b   10.435
_cell_length_c   14.254
_cell_angle_alpha   67.154
_cell_angle_beta   67.154
_cell_angle_gamma   40.163
_symmetry_Int_Tables_number   1
_cell_volume   911.425
_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
  Ca  Ca0  1  0.680  0.940  0.962  1.0
  Ca  Ca1  1  0.940  0.680  0.462  1.0
  Ca  Ca2  1  0.655  0.398  0.857  1.0
  Ca  Ca3  1  0.398  0.655  0.357  1.0
  Re  Re4  1  0.633  0.851  0.728  1.0
  Re  Re5  1  0.851  0.633  0.228  1.0
  Re  Re6  1  0.484  0.702  0.594  1.0
  Re  Re7  1  0.702  0.484  0.094  1.0
  Re  Re8  1  0.846  0.139  0.492  1.0
  Re  Re9  1  0.139  0.846  0.992  1.0
  Re  Re10  1  0.191  0.493  0.836  1.0
  Re  Re11  1  0.493  0.191  0.336  1.0
  O  O12  1  0.661  0.711  0.542  1.0
  O  O13  1  0.711  0.661  0.042  1.0
  O  O14  1  0.609  0.686  0.780  1.0
  O  O15  1  0.686  0.609  0.280  1.0
  O  O16  1  0.890  0.046  0.955  1.0
  O  O17  1  0.046  0.890  0.455  1.0
  O  O18  1  0.805  0.084  0.816  1.0
  O  O19  1  0.084  0.805  0.316  1.0
  O  O20  1  0.261  0.918  0.646  1.0
  O  O21  1  0.918  0.261  0.146  1.0
  O  O22  1  0.443  0.291  0.868  1.0
  O  O23  1  0.291  0.443  0.368  1.0
  O  O24  1  0.016  0.210  0.798  1.0
  O  O25  1  0.210  0.016  0.298  1.0
  O  O26  1  0.107  0.399  0.838  1.0
  O  O27  1  0.399  0.107  0.338  1.0
  O  O28  1  0.180  0.628  0.715  1.0
  O  O29  1  0.628  0.180  0.215  1.0
  O  O30  1  0.027  0.657  0.928  1.0
  O  O31  1  0.657  0.027  0.428  1.0
  O  O32  1  0.683  0.437  0.997  1.0
  O  O33  1  0.437  0.683  0.497  1.0
  O  O34  1  0.581  0.492  0.692  1.0
  O  O35  1  0.492  0.581  0.192  1.0
  O  O36  1  0.420  0.080  0.676  1.0
  O  O37  1  0.080  0.420  0.176  1.0
  O  O38  1  0.664  0.886  0.825  1.0
  O  O39  1  0.886  0.664  0.325  1.0
  O  O40  1  0.844  0.746  0.630  1.0
  O  O41  1  0.746  0.844  0.130  1.0
  O  O42  1  0.719  0.139  0.614  1.0
  O  O43  1  0.139  0.719  0.114  1.0
  O  O44  1  0.942  0.219  0.491  1.0
  O  O45  1  0.219  0.942  0.991  1.0
  O  O46  1  0.310  0.673  0.904  1.0
  O  O47  1  0.673  0.310  0.404  1.0
  O  O48  1  0.095  0.340  0.554  1.0
  O  O49  1  0.340  0.095  0.054  1.0
  O  O50  1  0.248  0.525  0.517  1.0
  O  O51  1  0.525  0.248  0.017  1.0
[/CIF]
.