The compound described by MgScCr2Ag(H2O5)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(10), one O(2), one O(5), and one O(9) atom to form distorted MgO5 trigonal bipyramids that share  a cornercorner with one Cr(1)O4 tetrahedra, corners with two equivalent Ag(1)O4 trigonal pyramids,  an edgeedge with one Sc(1)O6 octahedra,  an edgeedge with one Cr(1)O4 tetrahedra, and  an edgeedge with one Cr(2)O4 tetrahedra. Sc(1) is bonded to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(8) atom to form ScO6 octahedra that share corners with two equivalent Cr(1)O4 tetrahedra, corners with two equivalent Cr(2)O4 tetrahedra, corners with two equivalent Ag(1)O4 trigonal pyramids, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(2), one O(4), and one O(5) atom to form CrO4 tetrahedra that share corners with two equivalent Sc(1)O6 octahedra,  a cornercorner with one Mg(1)O5 trigonal bipyramid, corners with two equivalent Ag(1)O4 trigonal pyramids, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 30-64°. In the second Cr site, Cr(2) is bonded to one O(10), one O(3), one O(8), and one O(9) atom to form CrO4 tetrahedra that share corners with two equivalent Sc(1)O6 octahedra, corners with two equivalent Ag(1)O4 trigonal pyramids, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 34-58°. Ag(1) is bonded to one O(1), one O(10), one O(4), and one O(8) atom to form distorted AgO4 trigonal pyramids that share corners with two equivalent Sc(1)O6 octahedra, corners with two equivalent Cr(1)O4 tetrahedra, corners with two equivalent Cr(2)O4 tetrahedra, and corners with two equivalent Mg(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 62-73°. There are four inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(6) and one O(9) atom. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(5) and one O(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(4) and one O(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(6) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted tetrahedral geometry to one Mg(1), one Sc(1), one Cr(1), and one Ag(1) atom. In the second O site, O(2) is bonded in a T-shaped geometry to one Mg(1), one Sc(1), and one Cr(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Sc(1) and one Cr(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Cr(1), one Ag(1), and one H(3) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Mg(1), one Cr(1), and one H(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Sc(1), one H(1), and one H(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Sc(1), one H(2), and one H(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Sc(1), one Cr(2), and one Ag(1) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Mg(1), one Cr(2), and one H(1) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Mg(1), one Cr(2), and one Ag(1) atom. is represented by the CIF card [CIF]
data_MgScCr2Ag(H2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.798
_cell_length_b   6.571
_cell_length_c   7.155
_cell_angle_alpha   109.800
_cell_angle_beta   95.444
_cell_angle_gamma   111.636
_symmetry_Int_Tables_number   1
_cell_volume   230.741
_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
  Mg  Mg0  1  0.276  0.314  0.470  1.0
  Sc  Sc1  1  0.011  0.007  0.992  1.0
  Cr  Cr2  1  0.675  0.249  0.305  1.0
  Cr  Cr3  1  0.356  0.782  0.704  1.0
  Ag  Ag4  1  0.821  0.858  0.458  1.0
  H  H5  1  0.212  0.449  0.927  1.0
  H  H6  1  0.775  0.515  0.793  1.0
  H  H7  1  0.810  0.557  0.035  1.0
  H  H8  1  0.254  0.511  0.174  1.0
  O  O9  1  0.895  0.114  0.293  1.0
  O  O10  1  0.335  0.088  0.200  1.0
  O  O11  1  0.658  0.975  0.855  1.0
  O  O12  1  0.771  0.482  0.243  1.0
  O  O13  1  0.639  0.344  0.554  1.0
  O  O14  1  0.183  0.379  0.035  1.0
  O  O15  1  0.839  0.638  0.940  1.0
  O  O16  1  0.127  0.900  0.724  1.0
  O  O17  1  0.248  0.519  0.743  1.0
  O  O18  1  0.374  0.650  0.453  1.0
[/CIF]
.
The compound described by MgScCr2Ag(H2O5)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(10), one O(2), one O(5), and one O(9) atom to form distorted MgO5 trigonal bipyramids that share  a cornercorner with one Cr(1)O4 tetrahedra, corners with two equivalent Ag(1)O4 trigonal pyramids,  an edgeedge with one Sc(1)O6 octahedra,  an edgeedge with one Cr(1)O4 tetrahedra, and  an edgeedge with one Cr(2)O4 tetrahedra. Sc(1) is bonded to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(8) atom to form ScO6 octahedra that share corners with two equivalent Cr(1)O4 tetrahedra, corners with two equivalent Cr(2)O4 tetrahedra, corners with two equivalent Ag(1)O4 trigonal pyramids, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(2), one O(4), and one O(5) atom to form CrO4 tetrahedra that share corners with two equivalent Sc(1)O6 octahedra,  a cornercorner with one Mg(1)O5 trigonal bipyramid, corners with two equivalent Ag(1)O4 trigonal pyramids, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 30-64°. In the second Cr site, Cr(2) is bonded to one O(10), one O(3), one O(8), and one O(9) atom to form CrO4 tetrahedra that share corners with two equivalent Sc(1)O6 octahedra, corners with two equivalent Ag(1)O4 trigonal pyramids, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 34-58°. Ag(1) is bonded to one O(1), one O(10), one O(4), and one O(8) atom to form distorted AgO4 trigonal pyramids that share corners with two equivalent Sc(1)O6 octahedra, corners with two equivalent Cr(1)O4 tetrahedra, corners with two equivalent Cr(2)O4 tetrahedra, and corners with two equivalent Mg(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 62-73°. There are four inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(6) and one O(9) atom. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(5) and one O(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(4) and one O(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(6) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted tetrahedral geometry to one Mg(1), one Sc(1), one Cr(1), and one Ag(1) atom. In the second O site, O(2) is bonded in a T-shaped geometry to one Mg(1), one Sc(1), and one Cr(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Sc(1) and one Cr(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Cr(1), one Ag(1), and one H(3) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Mg(1), one Cr(1), and one H(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Sc(1), one H(1), and one H(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Sc(1), one H(2), and one H(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Sc(1), one Cr(2), and one Ag(1) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Mg(1), one Cr(2), and one H(1) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Mg(1), one Cr(2), and one Ag(1) atom. is represented by the CIF card [CIF]
data_MgScCr2Ag(H2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.798
_cell_length_b   6.571
_cell_length_c   7.155
_cell_angle_alpha   109.800
_cell_angle_beta   95.444
_cell_angle_gamma   111.636
_symmetry_Int_Tables_number   1
_cell_volume   230.741
_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
  Mg  Mg0  1  0.276  0.314  0.470  1.0
  Sc  Sc1  1  0.011  0.007  0.992  1.0
  Cr  Cr2  1  0.675  0.249  0.305  1.0
  Cr  Cr3  1  0.356  0.782  0.704  1.0
  Ag  Ag4  1  0.821  0.858  0.458  1.0
  H  H5  1  0.212  0.449  0.927  1.0
  H  H6  1  0.775  0.515  0.793  1.0
  H  H7  1  0.810  0.557  0.035  1.0
  H  H8  1  0.254  0.511  0.174  1.0
  O  O9  1  0.895  0.114  0.293  1.0
  O  O10  1  0.335  0.088  0.200  1.0
  O  O11  1  0.658  0.975  0.855  1.0
  O  O12  1  0.771  0.482  0.243  1.0
  O  O13  1  0.639  0.344  0.554  1.0
  O  O14  1  0.183  0.379  0.035  1.0
  O  O15  1  0.839  0.638  0.940  1.0
  O  O16  1  0.127  0.900  0.724  1.0
  O  O17  1  0.248  0.519  0.743  1.0
  O  O18  1  0.374  0.650  0.453  1.0
[/CIF]
.