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In the title compound, hexapotassium μ-oxo-bis­{dioxo[2-hydroxy-κO-1,2,3-propanetricarboxylato(4−)-κ2O1,O2]molybdenum(VI)} dihydrate, K6[{MoO2(C6H4O7)}2O].2H2O, the citrate, as a tridentate ligand, is coordinated to molybdenum through the deprotonated hydroxy group, the α-carboxylate group and also through one β-carboxylate group. The coordination polyhedron of the Mo atom is distorted octahedral, containing one [Mo2O5]2+ core. Principal dimensions are: Mo—Ot = 1.715 Å (av), Mo—Ob = 1.915 (2) Å, Mo—Ohydroxy = 1.952 (3) Å, Mo—Oα-carboxy = 2.216 (4) Å, Mo—Oβ-carboxy = 2.261 (4) Å and Mo—Ob—Mo = 137.1 (4)°.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks ka1274, global

CCDC reference: 130593

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