The compound described by NaMgCr2In(H2O5)2 crystallizes in the monoclinic Cm space group. Na(1) is bonded in a 4-coordinate geometry to one O(3), one O(5), and two equivalent O(8) atoms. Mg(1) is bonded to one O(4), one O(6), and two equivalent O(7) atoms to form distorted MgO4 tetrahedra that share corners with two equivalent Cr(1)O4 tetrahedra,  an edgeedge with one In(1)O6 octahedra, and  an edgeedge with one Cr(2)O4 tetrahedra. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(3), one O(5), and two equivalent O(7) atoms to form CrO4 tetrahedra that share corners with two equivalent In(1)O6 octahedra and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 50°. In the second Cr site, Cr(2) is bonded to one O(4), one O(6), and two equivalent O(8) atoms to form CrO4 tetrahedra that share corners with two equivalent In(1)O6 octahedra and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 41°. In(1) is bonded to one O(1), one O(2), two equivalent O(7), and two equivalent O(8) atoms to form InO6 octahedra that share corners with two equivalent Cr(1)O4 tetrahedra, corners with two equivalent Cr(2)O4 tetrahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. 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 distorted single-bond geometry to one O(2) and one O(5) atom. In the third H site, H(3) is bonded in a linear geometry to one O(1) and one O(4) atom. In the fourth H site, H(4) is bonded in a linear geometry to one O(2) and one O(3) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one In(1), one H(1), and one H(3) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one In(1), one H(2), and one H(4) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Na(1), one Cr(1), and one H(4) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mg(1), one Cr(2), and one H(3) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Na(1), one Cr(1), and one H(2) atom. In the sixth O site, O(6) is bonded in an L-shaped geometry to one Mg(1) and one Cr(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Cr(1), and one In(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Na(1), one Cr(2), and one In(1) atom. is represented by the CIF file [CIF]
data_NaMgCr2In(H2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.871
_cell_length_b   6.772
_cell_length_c   7.252
_cell_angle_alpha   109.667
_cell_angle_beta   90.000
_cell_angle_gamma   115.689
_symmetry_Int_Tables_number   1
_cell_volume   241.032
_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
  Na  Na0  1  0.889  0.778  0.485  1.0
  Mg  Mg1  1  0.160  0.321  0.459  1.0
  Cr  Cr2  1  0.624  0.248  0.316  1.0
  Cr  Cr3  1  0.394  0.788  0.700  1.0
  In  In4  1  0.006  0.013  0.009  1.0
  H  H5  1  0.258  0.516  0.173  1.0
  H  H6  1  0.764  0.528  0.804  1.0
  H  H7  1  0.226  0.453  0.929  1.0
  H  H8  1  0.772  0.544  0.036  1.0
  O  O9  1  0.194  0.387  0.041  1.0
  O  O10  1  0.818  0.636  0.947  1.0
  O  O11  1  0.716  0.432  0.196  1.0
  O  O12  1  0.263  0.526  0.746  1.0
  O  O13  1  0.701  0.402  0.561  1.0
  O  O14  1  0.322  0.645  0.442  1.0
  O  O15  1  0.822  0.098  0.269  1.0
  O  O16  1  0.277  0.098  0.269  1.0
  O  O17  1  0.217  0.938  0.773  1.0
  O  O18  1  0.721  0.938  0.773  1.0
[/CIF]
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The compound described by NaMgCr2In(H2O5)2 crystallizes in the monoclinic Cm space group. Na(1) is bonded in a 4-coordinate geometry to one O(3), one O(5), and two equivalent O(8) atoms. Mg(1) is bonded to one O(4), one O(6), and two equivalent O(7) atoms to form distorted MgO4 tetrahedra that share corners with two equivalent Cr(1)O4 tetrahedra,  an edgeedge with one In(1)O6 octahedra, and  an edgeedge with one Cr(2)O4 tetrahedra. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(3), one O(5), and two equivalent O(7) atoms to form CrO4 tetrahedra that share corners with two equivalent In(1)O6 octahedra and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 50°. In the second Cr site, Cr(2) is bonded to one O(4), one O(6), and two equivalent O(8) atoms to form CrO4 tetrahedra that share corners with two equivalent In(1)O6 octahedra and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 41°. In(1) is bonded to one O(1), one O(2), two equivalent O(7), and two equivalent O(8) atoms to form InO6 octahedra that share corners with two equivalent Cr(1)O4 tetrahedra, corners with two equivalent Cr(2)O4 tetrahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. 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 distorted single-bond geometry to one O(2) and one O(5) atom. In the third H site, H(3) is bonded in a linear geometry to one O(1) and one O(4) atom. In the fourth H site, H(4) is bonded in a linear geometry to one O(2) and one O(3) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one In(1), one H(1), and one H(3) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one In(1), one H(2), and one H(4) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Na(1), one Cr(1), and one H(4) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mg(1), one Cr(2), and one H(3) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Na(1), one Cr(1), and one H(2) atom. In the sixth O site, O(6) is bonded in an L-shaped geometry to one Mg(1) and one Cr(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Cr(1), and one In(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Na(1), one Cr(2), and one In(1) atom. is represented by the CIF file [CIF]
data_NaMgCr2In(H2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.871
_cell_length_b   6.772
_cell_length_c   7.252
_cell_angle_alpha   109.667
_cell_angle_beta   90.000
_cell_angle_gamma   115.689
_symmetry_Int_Tables_number   1
_cell_volume   241.032
_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
  Na  Na0  1  0.889  0.778  0.485  1.0
  Mg  Mg1  1  0.160  0.321  0.459  1.0
  Cr  Cr2  1  0.624  0.248  0.316  1.0
  Cr  Cr3  1  0.394  0.788  0.700  1.0
  In  In4  1  0.006  0.013  0.009  1.0
  H  H5  1  0.258  0.516  0.173  1.0
  H  H6  1  0.764  0.528  0.804  1.0
  H  H7  1  0.226  0.453  0.929  1.0
  H  H8  1  0.772  0.544  0.036  1.0
  O  O9  1  0.194  0.387  0.041  1.0
  O  O10  1  0.818  0.636  0.947  1.0
  O  O11  1  0.716  0.432  0.196  1.0
  O  O12  1  0.263  0.526  0.746  1.0
  O  O13  1  0.701  0.402  0.561  1.0
  O  O14  1  0.322  0.645  0.442  1.0
  O  O15  1  0.822  0.098  0.269  1.0
  O  O16  1  0.277  0.098  0.269  1.0
  O  O17  1  0.217  0.938  0.773  1.0
  O  O18  1  0.721  0.938  0.773  1.0
[/CIF]
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