KHo2Cu(MoO4)4 crystallizes in the monoclinic C2/c space group. K(1) is bonded in a 10-coordinate geometry to two equivalent O(4), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms. Ho(1) is bonded in a 8-coordinate geometry to one O(7), one O(8), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a tetrahedral geometry to one O(2), one O(3), one O(5), and one O(7) atom. In the second Mo site, Mo(2) is bonded in a tetrahedral geometry to one O(1), one O(4), one O(6), and one O(8) atom. Cu(1) is bonded in a 4-coordinate geometry to two equivalent O(5) and two equivalent O(6) atoms. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to two equivalent Ho(1) and one Mo(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to two equivalent Ho(1) and one Mo(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to two equivalent Ho(1) and one Mo(1) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to one K(1) and one Mo(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one K(1), one Mo(1), and one Cu(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one K(1), one Mo(2), and one Cu(1) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one K(1), one Ho(1), and one Mo(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one K(1), one Ho(1), and one Mo(2) atom.
KHo2Cu(MoO4)4 crystallizes in the monoclinic C2/c space group. K(1) is bonded in a 10-coordinate geometry to two equivalent O(4), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms. Both K(1)-O(4) bond lengths are 2.69 Å. Both K(1)-O(5) bond lengths are 3.08 Å. Both K(1)-O(6) bond lengths are 2.69 Å. Both K(1)-O(7) bond lengths are 3.23 Å. Both K(1)-O(8) bond lengths are 3.18 Å. Ho(1) is bonded in a 8-coordinate geometry to one O(7), one O(8), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. The Ho(1)-O(7) bond length is 2.38 Å. The Ho(1)-O(8) bond length is 2.27 Å. There is one shorter (2.34 Å) and one longer (2.39 Å) Ho(1)-O(1) bond length. There is one shorter (2.37 Å) and one longer (2.49 Å) Ho(1)-O(2) bond length. There is one shorter (2.40 Å) and one longer (2.46 Å) Ho(1)-O(3) bond length. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a tetrahedral geometry to one O(2), one O(3), one O(5), and one O(7) atom. The Mo(1)-O(2) bond length is 1.87 Å. The Mo(1)-O(3) bond length is 1.85 Å. The Mo(1)-O(5) bond length is 1.78 Å. The Mo(1)-O(7) bond length is 1.79 Å. In the second Mo site, Mo(2) is bonded in a tetrahedral geometry to one O(1), one O(4), one O(6), and one O(8) atom. The Mo(2)-O(1) bond length is 1.88 Å. The Mo(2)-O(4) bond length is 1.77 Å. The Mo(2)-O(6) bond length is 1.79 Å. The Mo(2)-O(8) bond length is 1.82 Å. Cu(1) is bonded in a 4-coordinate geometry to two equivalent O(5) and two equivalent O(6) atoms. Both Cu(1)-O(5) bond lengths are 2.05 Å. Both Cu(1)-O(6) bond lengths are 2.07 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to two equivalent Ho(1) and one Mo(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to two equivalent Ho(1) and one Mo(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to two equivalent Ho(1) and one Mo(1) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to one K(1) and one Mo(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one K(1), one Mo(1), and one Cu(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one K(1), one Mo(2), and one Cu(1) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one K(1), one Ho(1), and one Mo(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one K(1), one Ho(1), and one Mo(2) atom.