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Preparation and structural characterization of a hexanuclear molybdenum (II) cluster containing carboxylate ligands (Bu4N)2[Mo63-Cl)8(O2CMe)6]

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The hexamolybdenum cluster complex [Mo63-Cl)8(O2CMe)6]2−, 1 was isolated as the Bu4N+ salt in 71% yield from the reaction of (Bu4N)2[Mo63-Cl)8Cl6] with AgO2CMe in CH2Cl2 solvent. The compound was characterized by single crystal X-ray diffraction analysis. The cluster contains an octahedral arrangement of six molybdenum atoms with eight chloride ligands bridging the eight trianglar faces and six carboxylate ligands terminally coordinated through one oxygen atom to each of the six molybdenum atoms. Crystal data: space group =P21/n,a=10.713(3)Å,b=14.43(1)Å,c=21.919(4)Å, β=94.37(2)°,Z=2, 1965 reflections,R=0.036.

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Correspondence to Richard D. Adams.

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Adams, R.D., Chen, G. & Huang, J. Preparation and structural characterization of a hexanuclear molybdenum (II) cluster containing carboxylate ligands (Bu4N)2[Mo63-Cl)8(O2CMe)6]. J Clust Sci 4, 151–157 (1993). https://doi.org/10.1007/BF00702715

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Key words

  • Molybdenum
  • acetate, carboxylate
  • hexamolybdenum
  • crystal structure