Synthesis and crystal structure of [Y(NO3)3(OH2)3]·(Me2-16-crown-5)·H2O

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The complex [Y(NO3)3(OH2)3]·(Me2-16-crown-5)·H2O has been prepared and its crystal and molecular structure determined using single crystal X-ray diffraction. The colorless crystals belong to the monoclinic space group P21/n with Z = 4. Lattice parameters are a = 10.420(1), b = 17.257(3), c = 14.646(2) Å, β = 96.79(1)°, V = 2615.1(6) Å3. The yttrium(III) ion is nine-coordinate, bonded to three bidentate nitrate groups and three water molecules. The average Y– O(nitrate) and Y– O(water) distances are 2.42(3) and 2.33(1) Å, respectively. The average HO–H…O hydrogen bonded separation is 2.767Å.

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