Structural and spectroscopic studies on 3,5-dinitrosalicylic acid complexes of urotropine and Dicyclohexylamine (cas 101-83-7). A theoretical analysis of the structure of the complex anion
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Add time:08/07/2019 Source:sciencedirect.com
In the reaction between 3,5-dinitrosalicylic acid and urotropine, the proton of the phenolic group is transferred to a nitrogen atom of urotropine to form a hydrogen-bonded ion-paired [N⋯Ophenolate=2.777(4)Å] compound. An analogous reaction between the acid and dicyclohexylamine yields a centrosymmetric ion-paired dimer [N⋯Ophenolate=2.864(4), N⋯Ocarbonyl=2.940(5)Å]. The structures of the two compounds are discussed in relation to their infrared spectral features. The structure of the anion is also investigated theoretically by geometry-optimization calculations.
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