Theoretical Study of the Structural and Electronic Properties of NIPAM Polymer Dosimetry Gel

Background: Gel dosimeters consist of two types: Frick and Polymer, with compounds that are highly reactive to radiation. Objective: The difference in energy between the Highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO) was investigated. Methods: An examin...

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Main Authors: Swait S. Mohammed, Israa F. Al-sharuee, Akram Mohammed Ali, Adil Elrayah
Format: Article
Language:English
Published: Mustansiriyah University 2024-12-01
Series:Al-Mustansiriyah Journal of Science
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Online Access:https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/1571
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author Swait S. Mohammed
Israa F. Al-sharuee
Akram Mohammed Ali
Adil Elrayah
author_facet Swait S. Mohammed
Israa F. Al-sharuee
Akram Mohammed Ali
Adil Elrayah
author_sort Swait S. Mohammed
collection DOAJ
description Background: Gel dosimeters consist of two types: Frick and Polymer, with compounds that are highly reactive to radiation. Objective: The difference in energy between the Highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO) was investigated. Methods: An examination of the structure of a dosimetry gel polymer of type N- sopropylacrylamide (NIPAM) was carried out with the assistance of the Gaussian 09 software, the Fourier Transform Infrared Spectrometer (FTIR), the proton and carbon nuclear magnetic resonance (H NMR-C NMR), and the ultraviolet-visible spectroscopy (UV-vis) approach were used. The molecular geometry was determined using density functional theory (DFT) (B3LYP) and computational means. Subsequently, this molecule’s vibrational frequencies and electrical characteristics were examined, with the ground state represented by the 6-31G basis. The computations of the structure, as well as the vibrational frequencies and chemical shift, demonstrated a satisfactory theoretical approximation. Results: Based on the findings, it has been shown that NIPAM has a high-water solubility and is of great assistance in the process of introducing a powerful polar amide group into a hydrophobic polymer via the use of suspension or emulsion polymerization, and strong coupling effect (interaction of magnetic fields) between the hydrogen atoms and the deformation. Conclusions: The atoms within the structure, the molecule is highly reactive, the computed results demonstrated the accuracy of the theoretical approximation despite these discrepancies.
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spelling doaj-art-a392755792134ad3b1bec94bb6d702522025-01-03T05:01:21ZengMustansiriyah UniversityAl-Mustansiriyah Journal of Science1814-635X2521-35202024-12-0135410.23851/mjs.v35i4.1571Theoretical Study of the Structural and Electronic Properties of NIPAM Polymer Dosimetry GelSwait S. Mohammed 0https://orcid.org/0009-0004-8884-380XIsraa F. Al-sharuee1https://orcid.org/0000-0003-0067-8340Akram Mohammed Ali 2https://orcid.org/0000-0001-5754-5800Adil Elrayah3https://orcid.org/0000-0002-5558-3333Department of Physics, College of Science, Mustansiriyah University, Baghdad, IraqDepartment of Physics, College of Science, Mustansiriyah University, Baghdad, IraqDepartment of Physics, College of Science, University of Anbar, IraqGeneral Science Directorate, Karary University, Omdurman, Sudan Background: Gel dosimeters consist of two types: Frick and Polymer, with compounds that are highly reactive to radiation. Objective: The difference in energy between the Highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO) was investigated. Methods: An examination of the structure of a dosimetry gel polymer of type N- sopropylacrylamide (NIPAM) was carried out with the assistance of the Gaussian 09 software, the Fourier Transform Infrared Spectrometer (FTIR), the proton and carbon nuclear magnetic resonance (H NMR-C NMR), and the ultraviolet-visible spectroscopy (UV-vis) approach were used. The molecular geometry was determined using density functional theory (DFT) (B3LYP) and computational means. Subsequently, this molecule’s vibrational frequencies and electrical characteristics were examined, with the ground state represented by the 6-31G basis. The computations of the structure, as well as the vibrational frequencies and chemical shift, demonstrated a satisfactory theoretical approximation. Results: Based on the findings, it has been shown that NIPAM has a high-water solubility and is of great assistance in the process of introducing a powerful polar amide group into a hydrophobic polymer via the use of suspension or emulsion polymerization, and strong coupling effect (interaction of magnetic fields) between the hydrogen atoms and the deformation. Conclusions: The atoms within the structure, the molecule is highly reactive, the computed results demonstrated the accuracy of the theoretical approximation despite these discrepancies. https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/1571DFTPolymer gelHOMO and LUMODosimetry gelN-isopropylacrylamide
spellingShingle Swait S. Mohammed
Israa F. Al-sharuee
Akram Mohammed Ali
Adil Elrayah
Theoretical Study of the Structural and Electronic Properties of NIPAM Polymer Dosimetry Gel
Al-Mustansiriyah Journal of Science
DFT
Polymer gel
HOMO and LUMO
Dosimetry gel
N-isopropylacrylamide
title Theoretical Study of the Structural and Electronic Properties of NIPAM Polymer Dosimetry Gel
title_full Theoretical Study of the Structural and Electronic Properties of NIPAM Polymer Dosimetry Gel
title_fullStr Theoretical Study of the Structural and Electronic Properties of NIPAM Polymer Dosimetry Gel
title_full_unstemmed Theoretical Study of the Structural and Electronic Properties of NIPAM Polymer Dosimetry Gel
title_short Theoretical Study of the Structural and Electronic Properties of NIPAM Polymer Dosimetry Gel
title_sort theoretical study of the structural and electronic properties of nipam polymer dosimetry gel
topic DFT
Polymer gel
HOMO and LUMO
Dosimetry gel
N-isopropylacrylamide
url https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/1571
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AT israafalsharuee theoreticalstudyofthestructuralandelectronicpropertiesofnipampolymerdosimetrygel
AT akrammohammedali theoreticalstudyofthestructuralandelectronicpropertiesofnipampolymerdosimetrygel
AT adilelrayah theoreticalstudyofthestructuralandelectronicpropertiesofnipampolymerdosimetrygel