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Synthesis and Crystal Structure of an Organic-Polyoxometalate (POM) Hybrid Compound Containing a Keggin Type Mo–Si Polyanion

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Abstract

Complex (1), which is comprised of a typical Keggin type anion, four protonated 3-amino-1,2,4-triazole (AmTAZ) ligands, one nitrate anion and an area of disordered unidentifiable species was synthesized via hydrothermal methods followed by slow evaporation. The structure is held together through a web of hydrogen bonding and crystallizes in the monoclinic space group P21/c with unit cell dimensions of a = 13.789(3) b = 15.551(3) c = 24.401(7) Å, β = 93.898(8)°, V = 5220(2) Å3 Z = 4, D = 2.896 Mg/m3.

Graphical Abstract

The organic-polyoxometalate (POM) hybrid compound (1) was synthesized via slow evaporation of a hydrothermal reaction product using NaMoO4·2H2O, MnCO3 and 3-amino-1,2,3-triazole (AmTAZ) as precursors. The molecular unit cell of the POM hybrid compound contains AmTAZ, water, nitrate and Keggin type anions (1). POM clusters of the Keggin type anion are shown as polyhedra. AmTAZ acts as the cation in this complex to charge balance the polyanionic clusters.

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Acknowledgment

Financial support from the National Science Foundation through Grant CHE-0714439 is gratefully acknowledged.

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  1. Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, SC, 29208, USA

    Shae Anne Vaughn, Mark D. Smith & Hans-Conrad zur Loye

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  1. Shae Anne Vaughn
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  2. Mark D. Smith
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  3. Hans-Conrad zur Loye
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Correspondence to Hans-Conrad zur Loye.

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Vaughn, S.A., Smith, M.D. & zur Loye, HC. Synthesis and Crystal Structure of an Organic-Polyoxometalate (POM) Hybrid Compound Containing a Keggin Type Mo–Si Polyanion. J Chem Crystallogr 42, 7–11 (2012). https://doi.org/10.1007/s10870-011-0183-7

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  • DOI: https://doi.org/10.1007/s10870-011-0183-7

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