engleski

K_2[Mo_2O_4(C_2O_4)_2(H_2O)_2] ˇ3H_2O

The crystal and molecular structure of dipotassium di-ľ-oxo-bis[aqua(oxalato-O1,O2)oxomolybdenum(III) trihydrate, K_2[Mo_2O_4(C_2O_4)_2(H_2O)_2]ˇ3H_2O has been determined from X-ray diffraction data. In the dimeric anion, which has approximate twofold symmetry, each Mo atom is in a distorted octahedral coordination, being bonded to one terminal oxo-O atom, two bridging O atoms, two O atoms from the oxalato ligand and one from the water molecule. Bond lengths trans to the multiple-bonded terminal oxo ligand are larger than zhose in the cis position, confirming the trans influence as a generally valid rule.

crystal structures; oxalate; hydrogen bond

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