Synthesis and Spectroscopic and Computational Characterization of Zn4O(Alicyclic or Aromatic Carboxylate)6 Complexes as Potential MOF Precursors
datasetposted on 17.05.2010, 00:00 authored by Sándor B. Ötvös, Ottó Berkesi, Tamás Körtvélyesi, István Pálinkó
Potential metal−organic-framework precursors, Zn4O complexes with various alicyclic or aromatic carboxylate ligands, were prepared, in many cases quantitatively, from ZnO and the relevant carboxylic acids in the presence of trace amounts of water. The complexes obtained were characterized with various classical (titration) and instrumental (IR and NMR spectroscopies) methods and molecular modeling (PM3 and PM6 semiempirical quantum chemical methods and HF/6-31G** ab initio calculations). Structural peculiarities reflected in the success or failure in the synthesis could be rationalized with the combination of IR and NMR spectroscopies and molecular modeling.
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abpresencecalculationZnOcarboxylicAromaticpeculiarityPotentialCarboxylatePrecursorsPotentialacidsynthesisalicyclicligandStructuralZn 4O complexesHFSpectroscopiccarboxylatefailureSynthesitraceinitioIRcombinationComplexemodelingquantum chemical methodsNMR spectroscopiesComputationalCharacterizationprecursortitrationPMMOF