Time-Dependent Photodimerization of α- Trans -Cinnamic Acid Studied by Photocalorimetry and NMR Spectroscopy

Tamas Panda, Pance Naumov

    Research output: Contribution to journalArticle

    Abstract

    The time course of photochemical solid-state reactions is routinely monitored by using spectroscopic methods such as NMR or IR spectroscopies, but is comparatively less investigated with thermal methods. In this work, a combination of thermal methods (thermogravimetric analysis and differential scanning calorimetry) was applied together with irradiation with UV light to quantify the conversion and monitor the progress of a well-known photochemical reaction, the [2 + 2] dimerization of trans-cinnamic acid, and the results are compared with the conversion determined by using 1H NMR spectroscopy. The conversion was correlated with thermodynamic parameters for the reactant such as molar enthalpy, entropy, and melting temperature.

    Original languageEnglish (US)
    Pages (from-to)2744-2749
    Number of pages6
    JournalCrystal Growth and Design
    Volume18
    Issue number5
    DOIs
    StatePublished - May 2 2018

    Fingerprint

    Nuclear magnetic resonance spectroscopy
    nuclear magnetic resonance
    acids
    Dimerization
    Acids
    Photochemical reactions
    Solid state reactions
    Ultraviolet radiation
    spectroscopy
    Melting point
    Thermogravimetric analysis
    Differential scanning calorimetry
    Infrared spectroscopy
    Enthalpy
    Entropy
    Irradiation
    Thermodynamics
    dimerization
    photochemical reactions
    heat measurement

    ASJC Scopus subject areas

    • Chemistry(all)
    • Materials Science(all)
    • Condensed Matter Physics

    Cite this

    Time-Dependent Photodimerization of α- Trans -Cinnamic Acid Studied by Photocalorimetry and NMR Spectroscopy. / Panda, Tamas; Naumov, Pance.

    In: Crystal Growth and Design, Vol. 18, No. 5, 02.05.2018, p. 2744-2749.

    Research output: Contribution to journalArticle

    @article{68348c3c1747434dba5981a85379b880,
    title = "Time-Dependent Photodimerization of α- Trans -Cinnamic Acid Studied by Photocalorimetry and NMR Spectroscopy",
    abstract = "The time course of photochemical solid-state reactions is routinely monitored by using spectroscopic methods such as NMR or IR spectroscopies, but is comparatively less investigated with thermal methods. In this work, a combination of thermal methods (thermogravimetric analysis and differential scanning calorimetry) was applied together with irradiation with UV light to quantify the conversion and monitor the progress of a well-known photochemical reaction, the [2 + 2] dimerization of trans-cinnamic acid, and the results are compared with the conversion determined by using 1H NMR spectroscopy. The conversion was correlated with thermodynamic parameters for the reactant such as molar enthalpy, entropy, and melting temperature.",
    author = "Tamas Panda and Pance Naumov",
    year = "2018",
    month = "5",
    day = "2",
    doi = "10.1021/acs.cgd.7b01409",
    language = "English (US)",
    volume = "18",
    pages = "2744--2749",
    journal = "Crystal Growth and Design",
    issn = "1528-7483",
    publisher = "American Chemical Society",
    number = "5",

    }

    TY - JOUR

    T1 - Time-Dependent Photodimerization of α- Trans -Cinnamic Acid Studied by Photocalorimetry and NMR Spectroscopy

    AU - Panda, Tamas

    AU - Naumov, Pance

    PY - 2018/5/2

    Y1 - 2018/5/2

    N2 - The time course of photochemical solid-state reactions is routinely monitored by using spectroscopic methods such as NMR or IR spectroscopies, but is comparatively less investigated with thermal methods. In this work, a combination of thermal methods (thermogravimetric analysis and differential scanning calorimetry) was applied together with irradiation with UV light to quantify the conversion and monitor the progress of a well-known photochemical reaction, the [2 + 2] dimerization of trans-cinnamic acid, and the results are compared with the conversion determined by using 1H NMR spectroscopy. The conversion was correlated with thermodynamic parameters for the reactant such as molar enthalpy, entropy, and melting temperature.

    AB - The time course of photochemical solid-state reactions is routinely monitored by using spectroscopic methods such as NMR or IR spectroscopies, but is comparatively less investigated with thermal methods. In this work, a combination of thermal methods (thermogravimetric analysis and differential scanning calorimetry) was applied together with irradiation with UV light to quantify the conversion and monitor the progress of a well-known photochemical reaction, the [2 + 2] dimerization of trans-cinnamic acid, and the results are compared with the conversion determined by using 1H NMR spectroscopy. The conversion was correlated with thermodynamic parameters for the reactant such as molar enthalpy, entropy, and melting temperature.

    UR - http://www.scopus.com/inward/record.url?scp=85046429812&partnerID=8YFLogxK

    UR - http://www.scopus.com/inward/citedby.url?scp=85046429812&partnerID=8YFLogxK

    U2 - 10.1021/acs.cgd.7b01409

    DO - 10.1021/acs.cgd.7b01409

    M3 - Article

    VL - 18

    SP - 2744

    EP - 2749

    JO - Crystal Growth and Design

    JF - Crystal Growth and Design

    SN - 1528-7483

    IS - 5

    ER -