The compound described by K2MgCr2Cd(H2O5)2 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(9) atom. In the second K site, K(2) is bonded in a 7-coordinate geometry to one O(10), one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom. Mg(1) is bonded in a 4-coordinate geometry to one O(5), one O(6), one O(8), and one O(9) atom. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in a tetrahedral geometry to one O(2), one O(4), one O(6), and one O(8) atom. In the second Cr site, Cr(2) is bonded in a tetrahedral geometry to one O(3), one O(5), one O(7), and one O(9) atom. Cd(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(6), one O(7), one O(8), and one O(9) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(10) atom. In the third H site, H(3) is bonded in a distorted linear geometry to one O(1) and one O(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(10) and one O(5) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one K(1), one Cd(1), one H(1), and one H(3) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one Cr(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one Cr(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one K(1), one Cr(1), and one H(3) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one K(2), one Mg(1), one Cr(2), and one H(4) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one K(1), one K(2), one Mg(1), one Cr(1), and one Cd(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(2), one Cr(2), and one Cd(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one K(2), one Mg(1), one Cr(1), and one Cd(1) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one K(1), one Mg(1), one Cr(2), and one Cd(1) atom. In the tenth O site, O(10) is bonded in a water-like geometry to one K(2), one Cd(1), one H(2), and one H(4) atom. is represented by the CIF card [CIF]
data_K2MgCr2Cd(H2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.953
_cell_length_b   6.611
_cell_length_c   7.890
_cell_angle_alpha   110.048
_cell_angle_beta   96.421
_cell_angle_gamma   107.020
_symmetry_Int_Tables_number   1
_cell_volume   271.006
_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
  K  K0  1  0.399  0.774  0.310  1.0
  K  K1  1  0.613  0.269  0.705  1.0
  Mg  Mg2  1  0.130  0.371  0.928  1.0
  Cr  Cr3  1  0.668  0.355  0.202  1.0
  Cr  Cr4  1  0.358  0.674  0.782  1.0
  Cd  Cd5  1  0.019  0.980  0.031  1.0
  H  H6  1  0.106  0.153  0.435  1.0
  H  H7  1  0.864  0.838  0.602  1.0
  H  H8  1  0.952  0.871  0.336  1.0
  H  H9  1  0.041  0.087  0.645  1.0
  O  O10  1  0.082  0.006  0.330  1.0
  O  O11  1  0.646  0.193  0.324  1.0
  O  O12  1  0.313  0.802  0.642  1.0
  O  O13  1  0.774  0.642  0.340  1.0
  O  O14  1  0.213  0.365  0.678  1.0
  O  O15  1  0.376  0.293  0.060  1.0
  O  O16  1  0.643  0.722  0.888  1.0
  O  O17  1  0.874  0.290  0.057  1.0
  O  O18  1  0.177  0.697  0.954  1.0
  O  O19  1  0.918  0.999  0.693  1.0
[/CIF]
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The compound described by K2MgCr2Cd(H2O5)2 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(9) atom. In the second K site, K(2) is bonded in a 7-coordinate geometry to one O(10), one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom. Mg(1) is bonded in a 4-coordinate geometry to one O(5), one O(6), one O(8), and one O(9) atom. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in a tetrahedral geometry to one O(2), one O(4), one O(6), and one O(8) atom. In the second Cr site, Cr(2) is bonded in a tetrahedral geometry to one O(3), one O(5), one O(7), and one O(9) atom. Cd(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(6), one O(7), one O(8), and one O(9) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(10) atom. In the third H site, H(3) is bonded in a distorted linear geometry to one O(1) and one O(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(10) and one O(5) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one K(1), one Cd(1), one H(1), and one H(3) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one Cr(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one Cr(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one K(1), one Cr(1), and one H(3) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one K(2), one Mg(1), one Cr(2), and one H(4) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one K(1), one K(2), one Mg(1), one Cr(1), and one Cd(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(2), one Cr(2), and one Cd(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one K(2), one Mg(1), one Cr(1), and one Cd(1) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one K(1), one Mg(1), one Cr(2), and one Cd(1) atom. In the tenth O site, O(10) is bonded in a water-like geometry to one K(2), one Cd(1), one H(2), and one H(4) atom. is represented by the CIF card [CIF]
data_K2MgCr2Cd(H2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.953
_cell_length_b   6.611
_cell_length_c   7.890
_cell_angle_alpha   110.048
_cell_angle_beta   96.421
_cell_angle_gamma   107.020
_symmetry_Int_Tables_number   1
_cell_volume   271.006
_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
  K  K0  1  0.399  0.774  0.310  1.0
  K  K1  1  0.613  0.269  0.705  1.0
  Mg  Mg2  1  0.130  0.371  0.928  1.0
  Cr  Cr3  1  0.668  0.355  0.202  1.0
  Cr  Cr4  1  0.358  0.674  0.782  1.0
  Cd  Cd5  1  0.019  0.980  0.031  1.0
  H  H6  1  0.106  0.153  0.435  1.0
  H  H7  1  0.864  0.838  0.602  1.0
  H  H8  1  0.952  0.871  0.336  1.0
  H  H9  1  0.041  0.087  0.645  1.0
  O  O10  1  0.082  0.006  0.330  1.0
  O  O11  1  0.646  0.193  0.324  1.0
  O  O12  1  0.313  0.802  0.642  1.0
  O  O13  1  0.774  0.642  0.340  1.0
  O  O14  1  0.213  0.365  0.678  1.0
  O  O15  1  0.376  0.293  0.060  1.0
  O  O16  1  0.643  0.722  0.888  1.0
  O  O17  1  0.874  0.290  0.057  1.0
  O  O18  1  0.177  0.697  0.954  1.0
  O  O19  1  0.918  0.999  0.693  1.0
[/CIF]
.