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Crystallographic and Conformational Analysis of [(Z)-2-ethoxy-6-[(2-hydroxyphenylamino)methylene]cyclohexa-2,4-dienone]

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Abstract

The single crystal X-ray diffraction analysis of the title compound, C15H15NO3, shows that the structure is adopted to its NH tautomeric form and crystallizes in the orthorhombic space group P bcn with a = 21.2424(15) Å, b = 12.7696(9) Å, c = 9.3605(10) Å, Z = 8, V = 2539.1(4) Å3, D c  = 1.346 g/cm3. The molecular conformation in the crystal is stabilized by an intramolecular H-bond and the crystal structure is stabilized by the bifurcated O–H···O type intermolecular H-bonds. In order to understand the effects on conformational flexibility of the title molecule, molecular energy profile was calculated as a function of the selected torsion angle by means of AM1 semi-empirical method.

Index Abstract

Molecular and crystal structure of [(Z)-2-ethoxy-6-[(2-hydroxyphenylamino)methylene]cyclohexa-2,4-dienone], C15H15NO3, have been determined by single crystal X-ray diffraction study, and conformational analysis of the title molecule with respect to the selected torsion angle has been achieved by AM1 semi-empirical calculations.

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Acknowledgments

The authors wish to acknowledge Ondokuz Mayıs University research fund for the use of the STOE IPDS 2 diffractometer (purchased under grant F.279 of the University Research Fund).

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Authors and Affiliations

  1. Department of Physics, Faculty of Arts and Sciences, Ondokuz Mayıs University, Kurupelit, 55139, Samsun, Turkey

    Hande Petek, İsmet Şenel & Orhan Büyükgüngör

  2. Department of Chemistry, Faculty of Arts and Sciences, Ondokuz Mayıs University, Kurupelit, 55139, Samsun, Turkey

    Çiğdem Albayrak & Mustafa Odabaşoğlu

Authors
  1. Hande Petek
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  2. Çiğdem Albayrak
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  3. Mustafa Odabaşoğlu
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  4. İsmet Şenel
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  5. Orhan Büyükgüngör
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Correspondence to Hande Petek.

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Petek, H., Albayrak, Ç., Odabaşoğlu, M. et al. Crystallographic and Conformational Analysis of [(Z)-2-ethoxy-6-[(2-hydroxyphenylamino)methylene]cyclohexa-2,4-dienone]. J Chem Crystallogr 38, 901–905 (2008). https://doi.org/10.1007/s10870-008-9402-2

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