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Three new squarate salts were synthesized and combined with experimental and theoretical study on molecular, vibrational, and electronical properties. Squaric acid was crystallized as HSQ− [SQ: squarate] monoanion in [(C13H12NO2)(HC4O4)] (I), as uncharged H2SQ in [(C5H5N3O)(H2C4O4)] (II), and as SQ2− dianion form in [C6H9N2)2(C4O4)] (III). They crystallize in the triclinic and monoclinic crystal system...
Novel dipicolinate complex of copper(II) ion, [Cu(hepy)(dpc)H2O] [hepy: 2-(2-hydroxyethyl)pyridine; dpc: dipicolinate or pyridine-2,6-dicarboxylate], was prepared and fully characterized by single crystal X-ray structure determination. [Cu(hepy)(dpc)H2O] was investigated for antimicrobial activity against a fungal strain, Gram-positive, and Gram-negative bacteria. The compound was found to be active...
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