1
|
Elangovan K, Ingle KE, Dhanasekaran R, Mahadevan M, Dhilip M. Synthesis, growth, optical, mechanical, thermal, dielectric, and SHG properties of Triethylaminium picrate (TEAP) single crystal for nonlinear optical applications. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 308:123680. [PMID: 38043291 DOI: 10.1016/j.saa.2023.123680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 09/21/2023] [Accepted: 11/21/2023] [Indexed: 12/05/2023]
Abstract
Triethylaminium picrate (TEAP) crystals were grown using the slow evaporation solution growth method at ambient (35 °C) temperature. Salt was synthesized from Picric acid, and Triethylamine and methanol was used as solvents. The solution was mixed at a 1:1 ratio and evaporated slowly, produced yellow colour single crystal of TEAP with an average dimension of 19 × 8 × 5 mm3. The structure of the compound was determined by single-crystal X-ray diffraction (SCXRD) study, which confirms that the crystal is belongs to Orthorhombic crystal system, and its crystallinity was confirmed by the Bragg peak in the powder X-ray diffraction pattern. The superamolecular characteristic of the TEAP was confirmed by the Hirshfield analysis. CHN elemental analysis confirmed the stoichiometry and chemical composition of the synthesized complex salts. FT-IR and Polarized Raman spectral analyses confirmed the presence of different functional groups in the complex. UV-vis-NIR study identified the optical transmission window and the lower (TEAP) cut-off wavelength. Vickers' microhardness analysis determined the mechanical stability of the grown crystal. Studies of dielectric and AC conductivity were analyzed as a function of frequency. The thermogravimetry (TG) and differential thermal analysis (DTA) techniques were used to investigate the thermal behaviour of the material. The Kurtz-Perry powder technique was used to analyze the crystal's nonlinear optical properties (NLO) and found that its SHG efficiency was 1.5 times higher than that of potassium dihydrogen phosphate (KDP). The results from the obtained characterizations conclude that the TEAP crystal could be useful for NLO applications.
Collapse
Affiliation(s)
- K Elangovan
- Department of Physics, Malla Reddy Engineering College for Women (Autonomous), Maisammaguda, Dhulapally (Kompally), Secunderabad, Telangana 500 100, India.
| | - Kapil E Ingle
- Department of Physics, Malla Reddy Engineering College for Women (Autonomous), Maisammaguda, Dhulapally (Kompally), Secunderabad, Telangana 500 100, India
| | - R Dhanasekaran
- Department of Physics, Meenakshi Ammal Polytechnic College, Uthiramerur, Tamil Nadu 603 406, India
| | - M Mahadevan
- Department of Physics, Adhiparasakthi Engineering College, Melmaruvathur 603 319, Tamil Nadu, India
| | - M Dhilip
- Microwave Tube Research and Development Centre (MTRDC), Defence Research and Development Organization (DRDO), Ministry of Defence, Jalahalli, Bengaluru, Karnataka 560013, India
| |
Collapse
|
2
|
Sumithra M, Sundaraganesan N, Rajesh R, Ilangovan V, Irfan A, Muthu S. Electron density, charge transfer, solvent effect and molecular spectroscopic studies on 2,2-Dimethyl-N-pyridin-4-yl-propionamide – A potential antioxidant. COMPUT THEOR CHEM 2023. [DOI: 10.1016/j.comptc.2023.114103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
|
3
|
Smitha Rose C, Suthan T, Mary Delphine S, Wise Bell CC, Lekshmi NP. Studies on crystal growth, experimental, structural, DFT, optical, thermal and biological studies of 3-hydroxy-4-methoxybenzaldehyde single crystals. Heliyon 2023; 9:e15219. [PMID: 37095901 PMCID: PMC10122042 DOI: 10.1016/j.heliyon.2023.e15219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/29/2023] [Accepted: 03/30/2023] [Indexed: 04/26/2023] Open
Abstract
The organic 3-hydroxy-4-methoxybenzaldehyde single crystal has been grown by the slow evaporation technique. Single crystal X-ray diffraction (XRD) study shows that the grown crystal belongs to a monoclinic crystal system with centrosymmetric space group P21/c. The spectral analysis of 3-hydroxy-4-methoxybenzaldehyde calculations was performed with the help of DFT at the B3LYP/6-311 + G(d,p) level of theory. The experimental results of FTIR and FT-Raman were compared with the computational results. Detailed interpretations of the vibrational spectra were carried out with the aid of vibrational energy distribution analysis using potential energy distribution (PED) analysis and vibrational wavenumber scaled by the WLS (Wavenumber Linear Scaling) method. The natural bond orbital (NBO) analysis was carried out to identify intramolecular hydrogen bonding. The optical properties of the grown crystal were analyzed by UV-Visible studies. Photoluminescence studies show that the high-intensity peak observed around 410 nm. The laser damage threshold value of the grown crystal has been determined using an Nd:YAG laser operating at 1064 nm. The HOMO (Highest Occupied Molecular Orbital) - LUMO (Lowest Unoccupied Molecular Orbital) was used to identify the energy gap. Hirshfeld Surface (HS) analysis was used to determine the intermolecular interactions. The thermal properties of the grown crystal were performed by Thermogravimetric (TG) and Differential thermal analyses (DTA). The kinetic and thermodynamic parameters were calculated. The surface morphology of the grown crystal was studied by using Scanning Electron Microscopy (SEM) analysis. The antibacterial and antifungal studies were analyzed.
Collapse
Affiliation(s)
- C. Smitha Rose
- Department of Physics & Research Centre, Holy Cross College, Nagercoil, 629002, India
- Affiliated to Manonmaniam Sundaranar University, Tirunelveli, 627012, India
| | - T. Suthan
- Department of Physics, Lekshmipuram College of Arts and Science, Neyyoor, 629802, India
- Affiliated to Manonmaniam Sundaranar University, Tirunelveli, 627012, India
- Corresponding author. Department of Physics, Lekshmipuram College of Arts and Science, Neyyoor, 629802, India.
| | - S. Mary Delphine
- Department of Physics & Research Centre, Holy Cross College, Nagercoil, 629002, India
- Affiliated to Manonmaniam Sundaranar University, Tirunelveli, 627012, India
| | - C. Cynitha Wise Bell
- Department of Physics, Loyola Institute of Technology and Science, Thovalai, 629302, India
| | - N.C.J. Packia Lekshmi
- Department of Allied Health Sciences, Noorul Islam Centre for Higher Education, Kumaracoil, 629180, India
| |
Collapse
|
4
|
Intermolecular interactions in ethanol solution of OABA: Raman, FTIR, DFT, M062X, MEP, NBO, FMO, AIM, NCI, RDG analysis. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
|
5
|
Synthesis, crystal growth, structural and physicochemical properties of N- methylurea Benzoic acid single crystal for non-linear optical applications. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
|
6
|
Kanagavalli A, Jayachitra R, Thilagavathi G, Elangovan N, Sowrirajan S, Thomas R. Synthesis, characterization, computational, excited state properties, wave function, and molecular docking studies of (E)-4-((2-hydroxybenzylidene)amino)N-(thiazol-2-yl) benzenesulfonamide. J INDIAN CHEM SOC 2023. [DOI: 10.1016/j.jics.2023.100885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
|
7
|
Kaur P, Verma I, Shashikant, Khanum G, Siddiqui N, Javed S, Arora H. Dimeric ZnII complex of carboxylate-appended (2-pyridyl)alkylamine ligand and Exploration of experimental, theoretical, molecular docking and electronic excitation studies of ligand. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
|
8
|
Khodiev M, Holikulov U, ISSAOUI N, Al-Dossary OM, Bousiakoug LG, Lavrik N. Estimation of electrostatic and covalent contributions to the enthalpy of H-bond formation in H-complexes of 1,2,3-benzotriazole with proton-acceptor molecules by IR spectroscopy and DFT calculations. JOURNAL OF KING SAUD UNIVERSITY - SCIENCE 2022. [DOI: 10.1016/j.jksus.2022.102530] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
|
9
|
Theoretical Study on Spectrum and Luminescence Mechanism of Indocyanine Green Dye Based on Density Functional Theory (DFT). J CHEM-NY 2022. [DOI: 10.1155/2022/4321595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Indocyanine green is a great near-infrared fluorescence with good luminescent properties and important medical applications. In this paper, the theoretical spectrum and orbital model of its molecular level are established. The two most probable conformations were studied, and their energies, vibrational spectra, UV-Vis absorption spectra, frontier molecular orbitals (HOMO and LUMO), and energy gaps were obtained by density functional theory (DFT) calculations, respectively. This provides a theoretical and design basis for the development of novel dyes similar to indocyanine green dyes and a reference case for improved application methods and synthetic predesign of novel fluorescent dyes.
Collapse
|
10
|
Manhas FM, Fatima A, Verma I, Siddiqui N, Muthu S, AlSalem HS, Savita S, Singh M, Javed S. Quantum computational, spectroscopic (FT-IR, NMR and UV–Vis) profiling, Hirshfeld surface, molecular docking and dynamics simulation studies on pyridine-2,6-dicarbonyl dichloride. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133374] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
11
|
Vennila M, Rathikha R, Muthu S, Jeelani A, Irfan A. Structural, spectral inspection, electronic properties in different solvents, Fukui functions, 6-acetyl-2H-1,4-benzoxazin-3(4H)-one – Multiple sclerosis and auto immune disorders therapeutics. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119248] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
12
|
Fasiuddin G, Liakath Ali Khan F, Sakthivel S, Muthu S, Irfan A. Synthesis, Spectroscopic, Molecular Docking and inhibitory activity of 6-Bromo-2-(4-chlorophenyl)-1H-benzimidazole- a DFT approach. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132815] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
13
|
Sharma A, Khanum G, Kumar A, Fatima A, Singh M, Abualnaja KM, Althubeiti K, Muthu S, Siddiqui N, Javed S. Conformational stability, quantum computational, spectroscopic, molecular docking and molecular dynamic simulation study of 2-hydroxy-1-naphthaldehyde. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132755] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
14
|
Madadi Mahani N, Mostaghni F, Shafiekhani H. Cuspareine as alkaloid against COVID-19 designed with ionic liquids: DFT and docking molecular approaches. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 231:112447. [PMID: 35483276 PMCID: PMC9020645 DOI: 10.1016/j.jphotobiol.2022.112447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 04/08/2022] [Accepted: 04/18/2022] [Indexed: 06/14/2023]
Abstract
Cuspareine as an antiviral alkaloid can be used in the treatment of COVID-19. In this study, we introduced the ionic liquids (ILs) concluded cuspareinium as a cation with CH3COO-, CF3COO-, and PF6 as anions. The optimized geometry, thermodynamic parameters, and reactivity descriptors were calculated with density functional theory (DFT) approach and time-dependent density functional theory (TD-DFT) using B3LYP/6-311G. In addition, the UV and IR spectra of the introduced ILs were investigated. Based on DFT calculation, the designed IL CH3COO- can be to the most suitable anions due to most solubility in the water. DFT studies displayed that all the introduced ILs have more polarity than pristine cuspareine and CH3COO--cuspareine is the most polarity due to high dipole moment. Also, the thermo- chemical data of the designed ionic liquids revealed that PF6-cuspareine is distinguished to be stable. A molecular docking study of the designed ILs with 6 LU7 protease was performed to display interactions and binding energy. Results of molecular docking displayed that CH3COO- ion liquid has the highest binding energy (- 7.20 kcal/mol) and Ala7, and Lys 5 residues are involved in an interaction. DFT and molecular docking studies of cuspareine as alkaloid based on ionic liquids can be helpful to for more pharmaceutical and biological researches of cuspareine as an antiviral agent against COVID-19.
Collapse
Affiliation(s)
| | - Fatemeh Mostaghni
- Department of Chemistry, Payame Noor University, 19395-4697 Tehran, Iran
| | - Homa Shafiekhani
- Department of Chemistry, Payame Noor University, 19395-4697 Tehran, Iran
| |
Collapse
|
15
|
Jabarov SH, Ibrahimova SI, Hajiyeva FV, Huseynov EM, Aliyev YI. Structural, Vibrational, and Dielectric Properties of CuInZnSe3 Chalcogenide Compound. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2022. [DOI: 10.1007/s13369-022-06745-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
16
|
Martins JBL, Quintino RP, Politi JRDS, Sethio D, Gargano R, Kraka E. Computational analysis of vibrational frequencies and rovibrational spectroscopic constants of hydrogen sulfide dimer using MP2 and CCSD(T). SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 239:118540. [PMID: 32502813 DOI: 10.1016/j.saa.2020.118540] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 05/18/2020] [Accepted: 05/24/2020] [Indexed: 06/11/2023]
Abstract
Previous studies have shown that the weakly bonded H2S dimer demands high level quantum chemical calculations to reproduce experimental values. We investigated the hydrogen bonding of H2S dimer using MP2 and CCSD(T) levels of theory in combination with aug-cc-pV(D,T,Q)Z basis sets. More precisely, the binding energies, potential energy curves, rovibrational spectroscopic constants, decomposition lifetime, and normal vibrational frequencies were calculated. In addition, we introduced the local mode analysis of Konkoli-Cremer to quantify the hydrogen bonding in the H2S dimer as well as providing for the first time the comprehensive decomposition of normal vibrational modes into local modes contributions, and a decomposition lifetime based on rate constant. The local mode force constant of the H2S dimer hydrogen bond is smaller than that of the water dimer, in accordance with the weaker hydrogen bonding in the H2S dimer.
Collapse
Affiliation(s)
- João B L Martins
- Institute of Chemistry, University of Brasília, Brasília, DF 70910-900, Brazil.
| | - Rabeshe P Quintino
- Institute of Chemistry, University of Brasília, Brasília, DF 70910-900, Brazil
| | - José R Dos S Politi
- Institute of Chemistry, University of Brasília, Brasília, DF 70910-900, Brazil
| | - Daniel Sethio
- Computational and Theoretical Chemistry Group (CATCO), Department of Chemistry, Southern Methodist University, 3215 Daniel Avenue, Dallas, TX 75275-0314, United States
| | - Ricardo Gargano
- Institute of Physics, University of Brasília, Brasília, DF 70910-900, Brazil
| | - Elfi Kraka
- Computational and Theoretical Chemistry Group (CATCO), Department of Chemistry, Southern Methodist University, 3215 Daniel Avenue, Dallas, TX 75275-0314, United States
| |
Collapse
|
17
|
Rekik N, Salman S, Suleiman J, Farooq U, Flakus HT. IR spectral density of the υS(Cl–H→) band in gaseous (CH3)2O…HCl complex: Phase decoherence due to the anharmonic coupling theory and the bending mode effects. Chem Phys 2019. [DOI: 10.1016/j.chemphys.2018.11.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
18
|
Rekik N, Salman S, Farooq U, Nakajima T, Wojcik MJ, Blaise P. Towards accurate infrared spectral density of weak H-bonds in absence of relaxation mechanisms. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 207:197-208. [PMID: 30240981 DOI: 10.1016/j.saa.2018.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 08/04/2018] [Accepted: 09/01/2018] [Indexed: 06/08/2023]
Abstract
Following the previous theoretical developments to completely reproduce the IR spectra of weak hydrogen bond complexes within the framework of the linear response theory (LRT), the quantum theory of the high stretching mode spectral density (SD) of weak H-bonds is reconsidered. Within the LRT theory, the SD is the one sided Fourier transform of the autocorrelation function (ACF) of the high stretching mode dipole moment operator. In order to provide more accurate theoretical bandshapes, we have explored the equivalence between the SDs given in previous studies with respect to a new quantum one, and revealed that in place of the basic equations used in the precedent works for which the SD IOld(ω)=2Re∫0∞GOld(t)e-iωtdt where the ACF GOld(t) = ⟨μ(0)μ(t)+⟩ = tr {ρ {μ(0)} {μ(t)}+}, one can use a new expression for the SD, given by INew(ω)=2ωRe∫0∞GNew(t)e-iωtdt where GNew(t)=μ(0)μ(t)+=1βtrρB∫0βμ(0)μ(t+iλℏ)+dλ. Here ρB is the Boltzmann density operator, μ(0) the dipole moment operator at initial time and μ(t) the dipole moment operator at time t in the Heisenberg picture, ℏ is the Planck constant, β is the inverse of the Boltzmann factor kBT where T is the absolute temperature and kB the Boltzmann constant. Using this formalism, we demonstrated that the new quantum approach gives the same final SD as used by previous models, and reduces to the Franck-Condon progression appearing in the Maréchal and Witkowski's pioneering approach when the relaxation mechanisms are ignored. Results of this approach shed light on the equivalence between the quantum and classical IR SD approaches for weak H-bonds in absence of medium surroundings effect, which has been a subject of debate for decades.
Collapse
Affiliation(s)
- Najeh Rekik
- Physics Department, Faculty of Science, University of Ha'il, Saudi Arabia; Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada.
| | - Saed Salman
- Physics Department, College of Science, King Faisal University, Al Ahsa 31982, Saudi Arabia
| | - Umer Farooq
- Physics Department, Faculty of Science, University of Ha'il, Saudi Arabia
| | - Takahito Nakajima
- RIKEN Advanced Institute for Computational Science, 7-1-26 Minatojima-minami-machi, Chuo-ku, Kobe, Hyogo 650-0047, Japan
| | - Marek J Wojcik
- Laboratory of Molecular Spectroscopy, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, Krakow 30-387, Poland
| | - Paul Blaise
- Laboratoire de Mathématiques et Physique (LAMPS), Université de Perpignan Via Domitia (UPVD), 52 Av. Paul Alduy, Perpignan Cedex 66860, France
| |
Collapse
|
19
|
Rekik N, Suleiman J, Blaise P, Wojcik MJ. Equivalence between the Classical and Quantum IR Spectral Density Approaches of Weak H-Bonds in the Absence of Damping. J Phys Chem A 2018; 122:2108-2115. [PMID: 29436830 DOI: 10.1021/acs.jpca.8b00269] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The aim of this paper is to overhaul the quantum elucidation of the spectral density (SD) of weak H-bonds treated without taking into account any of the damping mechanisms. The reconsideration of the SD is performed within the framework the linear response theory. Working in the setting of the strong anharmonic coupling theory and the adiabatic approximation, the simplified expression of the classical SD, in the absence of dampings, is equated to be ICl(ω) = Re[∫0∞GCl(t)e-iΩt dt] in which the classical-like autocorrelation function (ACF), GCl(t), is given by GCl(t) = tr{ρ(β){μ(0)}{μ(t)}†}. With this consideration, we have shown that the classical SD is equivalent to the line shape obtained by F(ω) = ΩICl(ω), which in turn is equivalent to the quantum SD given by IQu(ω) = Re[∫0∞GQu(t)e-iΩt dt], where GQu(t) is the corresponding quantum ACF having for expression GQu(t) = (1/β) tr{ρ∫0β[μ(0)}{μ(t + iλℏ)}† dλ}. Thus, we have shown that for weak H-bonds dealt without dampings, the SDs obtained by the quantum approaches are equivalent to the SDs geted by the classical approach in which the incepation ACF is, however, of quantum nature and where the line shape is the Fourier transform of the ACF times the angular frequency. It is further shown that the classical approach dealing with the SD of weak H-bonds leads identically to the result found by Maréchal and Witkowski in their pioneering quantum treatment where they ignored the linear response theory and dampings.
Collapse
Affiliation(s)
- Najeh Rekik
- Physics Department, Faculty of Science, University of Ha'il , Kingdom of Saudi Arabia.,Department of Chemistry, University of Alberta , Edmonton, Alberta T6G 2G2, Canada
| | - Jamal Suleiman
- Physics Department, College of Science, King Faisal University , Al Ahsa 31982, Kingdom of Saudi Arabia
| | - Paul Blaise
- Laboratoire de Mathématiques et Physique (LAMPS), Université de Perpignan Via Domitia (UPVD) , 52 Av. Paul Alduy, 66860 Perpignan Cedex, France
| | - Marek J Wojcik
- Laboratory of Molecular Spectroscopy, Faculty of Chemistry, Jagiellonian University , Gronostajowa 2, 30-387 Krakow, Poland
| |
Collapse
|
20
|
Rekik N, Alshammari MF. Electrical anharmonicity and dampings contributions to Cl- H→ stretching band in gaseous (CH 3 ) 2 O…HCl complex: Quantum dynamic study and prediction of the temperature effects. Chem Phys Lett 2017. [DOI: 10.1016/j.cplett.2017.04.054] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
21
|
Rekik N. Signature of Congregated Effects of Mechanical and Electrical Anharmonicities, Fermi Resonances, and Dampings on the IR Spectra of Hydrogen Bonded Systems: Quantum Dynamic Study. J Phys Chem A 2017; 121:3555-3566. [DOI: 10.1021/acs.jpca.7b01616] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Najeh Rekik
- Physics
Department, Faculty of Science, University of Ha’il, Ha’il, 81451, Kingdom of Saudi Arabia
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| |
Collapse
|
22
|
Goryainov SV, Pan Y, Smirnov MB, Sun W, Mi JX. Raman investigation on the behavior of parasibirskite CaHBO 3 at high pressure. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 173:46-52. [PMID: 27591514 DOI: 10.1016/j.saa.2016.08.040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Revised: 08/13/2016] [Accepted: 08/18/2016] [Indexed: 06/06/2023]
Abstract
Knowledge about the stability of hydrous borates and borosilicates at high pressures are of critical importance to our understanding on the boron geochemical cycle. Raman spectroscopic measurements of parasibirskite CaHBO3, containing the [BO2(OH)] groups, have been made to pressures up to 5.4GPa. The Raman data show that a progressive structural evolution from ambient pressure to 5.4GPa can be accounted for by the same monoclinic phase P21/m, where the splitting of several Raman bands observed at some pressures is interpreted as the effect of the complex disordering in the H-bond network that has bifurcated H-bonds and ½-occupied H sites. There is no unambiguous evidence for phase transition to the ordered P21 monoclinic phase predicted by first-principles calculations at T=0K (W. Sun et al., Can. Miner., 2011). On the contrary, the disordering of parasibirskite, evidenced by the widening and attenuating Raman spectra, increases markedly at high pressures above 4.5GPa that results in incipient amorphization. Comparison of theoretical (lattice-dynamical) and experimental Raman spectra allows the reliable interpretation of almost all observed bands. The strongest symmetric B-O stretching band v1 at the wavenumber 908cm-1, which is split into a doublet at high pressures, exhibits a shift rate of 4.22cm-1/GPa for the main component.
Collapse
Affiliation(s)
- S V Goryainov
- V.S. Sobolev Institute of Geology and Mineralogy SB RAS, Pr. Acad. Koptyug 3, Novosibirsk 630090, Russia.
| | - Y Pan
- Department of Geological Sciences, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
| | - M B Smirnov
- Fock Institute of Physics, St.-Petersburg State University, 199034 St.-Petersburg, Russia
| | - W Sun
- Department of Geological Sciences, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
| | - J-X Mi
- Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, Fujian Province, People's Republic of China
| |
Collapse
|
23
|
Noureddine I, Houcine G, Brahim O. Theoretical study of hydrogen and deuterium bond in glutaric acid crystal dimer. INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY 2012. [DOI: 10.1002/qua.23085] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
24
|
Ghalla H, Rekik N, Michta A, Oujia B, Flakus HT. Theoretical modeling of infrared spectra of the hydrogen and deuterium bond in aspirin crystal. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2010; 75:37-47. [PMID: 19884041 DOI: 10.1016/j.saa.2009.09.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2009] [Revised: 09/06/2009] [Accepted: 09/13/2009] [Indexed: 05/28/2023]
Abstract
An extended quantum theoretical approach of the nu(X-H) IR lineshape of cyclic dimers of weakly H-bonded species is proposed. We have extended a previous approach [M.E.-A. Benmalti, P. Blaise, H.T. Flakus, O. Henri-Rousseau, Chem. Phys. 320 (2006) 267] by accounting for the anharmonicity of the slow mode which is described by a "Morse" potential in order to reproduce the polarized infrared spectra of the hydrogen and deuterium bond in acetylsalicylic acid (aspirin) crystals. From comparison of polarized IR spectra of isotopically neat and isotopically diluted aspirin crystals it resulted that centrosymmetric aspirin dimer was the bearer of the crystal main spectral properties. In this approach, the adiabatic approximation is performed for each separate H-bond bridge of the dimer and a strong non-adiabatic correction is introduced into the model via the resonant exchange between the fast mode excited states of the two moieties. Within the strong anharmonic coupling theory, according to which the X-H...Y high-frequency mode is anharmonically coupled to the H-bond bridge, this model incorporated the Davydov coupling between the excited states of the two moieties, the quantum direct and indirect dampings and the anharmonicity for the H-bond bridge. The spectral density is obtained within the linear response theory by Fourier transform of the damped autocorrelation functions. The evaluated spectra are in fairly good agreement with the experimental ones by using a minimum number of independent parameters. The effect of deuteration has been well reproduced by reducing simply the angular frequency of the fast mode and the anharmonic coupling parameter.
Collapse
Affiliation(s)
- Houcine Ghalla
- Laboratoire de Physique Quantique, Faculté des Sciences de Monastir, 5000 route de Kairouan, Tunisia
| | | | | | | | | |
Collapse
|
25
|
Rekik N, Ghalla H, Flakus HT, JabÅonÌska M, Blaise P, Oujia B. Polarized Infrared Spectra of the H(D) Bond in 2-Thiophenic Acid Crystals: A Spectroscopic and Computational Study. Chemphyschem 2009; 10:3021-33. [DOI: 10.1002/cphc.200900376] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
26
|
Najeh R, Houcine G, Flakus HT, Jablonska M, Brahim O. Experimental and theoretical study of the polarized infrared spectra of the hydrogen bond in 3-thiophenic acid crystal. J Comput Chem 2009; 31:463-75. [PMID: 19499536 DOI: 10.1002/jcc.21324] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
This article presents the results of experimental and theoretical studies of the v(O-H) and v(O-D) band shapes in the polarized infrared spectra of 3-thiophenic acid crystals measured at room temperature and at 77 K. The line shapes are studied theoretically within the framework of the anharmonic coupling theory, Davydov coupling, Fermi resonance, direct and indirect damping, as well as the selection rule breaking mechanism for forbidden transitions. The adiabatic approximation allowing to separate the high-frequency motion from the slow one of the H-bond bridge is performed for each separate H-bond bridge of the dimer and a strong nonadiabatic correction is introduced via the resonant exchange between the fast-mode excited states of the two moieties. The spectral density is obtained within the linear response theory by Fourier transform of the damped autocorrelation functions. The approach correctly fits the experimental line shape of the hydrogenated compound and predicts satisfactorily the evolution in the line shapes with temperature and the change in the line shape with isotopic substitution.
Collapse
Affiliation(s)
- Rekik Najeh
- Laboratoire de Physique Quantique, Faculté des Sciences de Monastir, 5000 route de Kairouan, Tunisia.
| | | | | | | | | |
Collapse
|
27
|
Issaoui N, Rekik N, Oujia B, Wójcik MJ. Anharmonic effects on theoretical IR line shapes of medium strong H(D) bonds. INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY 2009. [DOI: 10.1002/qua.21839] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
28
|
Rekik N, Oujia B, Wójcik MJ. Theoretical infrared spectral density of H-bonds in liquid and gas phases: Anharmonicities and dampings effects. Chem Phys 2008. [DOI: 10.1016/j.chemphys.2008.05.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
29
|
Theoretical IR spectral density of H-bond in liquid phase: Combined effects of anharmonicities, Fermi resonances, direct and indirect relaxations. J Mol Liq 2008. [DOI: 10.1016/j.molliq.2007.10.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
30
|
Ghalla H, Rekik N, Baazaoui M, Oujia B, Wójcik MJ. IR spectral density of H-bonds. Both intrinsic anharmonicity of the fast mode and the H-bond bridge. Part II: Isotopic effect. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/j.theochem.2008.01.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|