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X-Ray Absorption Spectra Of Some Small Polyatomic Molecules

Author

Listed:
  • K. C. PRINCE

    (Sincrotrone Trieste, Strada Statale 14, km 163.5, Area Science Park, I-34012 Basovizza (Trieste), Italy)

  • R. RICHTER

    (Sincrotrone Trieste, Strada Statale 14, km 163.5, Area Science Park, I-34012 Basovizza (Trieste), Italy)

  • M. DE SIMONE

    (Università di Roma III ed Unità INFM, Via della Vasca Navale 84, I-00146 Rome, Italy)

  • M. CORENO

    (INFM-TASC, Laboratorio ELETTRA, I-34012 Trieste, Italy)

Abstract

We report the Near Edge X-ray Absorption Fine Structure Spectra (NEXAFS) of a series of oxygen-containing organic molecules, namely formaldehyde, acetaldehyde, acetone, formic acid, methanol and dimethyl ether (DME), measured with high resolution at the carbon and oxygen edges. A vibrational progression has been observed at the oxygen1s → π*resonance of formaldehyde, indicating that this state is bound with an excited state C=O stretching frequency of 136 meV. The spectra are compared with previous measurements and the applicability of the chromophore concept is tested for the functional groups present in these molecules.

Suggested Citation

  • K. C. Prince & R. Richter & M. De Simone & M. Coreno, 2002. "X-Ray Absorption Spectra Of Some Small Polyatomic Molecules," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(01), pages 159-164.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:01:n:s0218625x02002026
    DOI: 10.1142/S0218625X02002026
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