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The solution reaction of 4-amino-3,5-bis(4-pyridyl)-1,2,4-triazole (bpt), benzene-1,2,4,5-tetracarboxylic acid (H4betc) and Co(NO3)2·6H2O led to the formation of the title cocrystal compound Hbpt·H3betc or C12H11N6+·C10H5O8-, in which strong hydrogen-bonding interactions assemble the ions into a three-dimensional supramolecular framework. [ABSTRACT FROM AUTHOR]

The solution reaction of FeII with 1,10-phenanthroline and NaN3 affords the title complex, [Fe(N3)2(C12H8N2)2]. In this complex, the central atom adopts a six-coordinate octahedral geometry, with monodentate azide ligands occupying the cis sites and two phenanthroline ligands occupying the other four sites, forming a cis isomer. [ABSTRACT FROM AUTHOR]

In the mol­ecule of the title compound, C11H11F4NO2, the amide plane is oriented with respect to the planar aromatic ring at a dihedral angle of 19.5 (3)°. In the crystal structure, the mol­ecules are linked firstly into centrosymmetric dimers, and then into infinite chains by inter­molecular N—H⋯O and O—H⋯O hydrogen bonds, respectively. [ABSTRACT FROM AUTHOR]