Characterization, and crystal structure of thiophenyl-2-methylidene-2- aminophenol

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2013-02-01

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The Schiff base thiophenyl-2-methylidene-2-aminophenol (ImineOH) is obtained from a stoichiometric mixture of 2-thiophenecarboxaldehyde and 2-aminophenol in ethanol under reflux at 90 C. Its crystal structure is determined by single crystal X-ray diffraction. ImineOH packs in an orthorhombic unit cell in the Pbca space group with the unit cell parameters a = 16.942(4) Å, b = 13.4395(11) Å, and c = 17.5857(12) Å, V = 4004.1(10) Å3, Z = 16. Strong hydrogen bonds are present in the ImineOH structure. Apart from the X-ray study, ImineOH was characterized by elemental analysis (CHN-S) and FT-IR (4000 cm-1 to 400 cm-1), UV-Vis and 13C, 1H, and 15N NMR spectroscopic measurements. © 2013 Pleiades Publishing, Ltd.

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Journal of Structural Chemistry, v. 54, n. 1, p. 269-273, 2013.

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