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Xiang Q, Ye L, Ma L, Sun Z. The Olympicenyl Radical and Its Derivatives. Chempluschem 2024; 89:e202300571. [PMID: 37916655 DOI: 10.1002/cplu.202300571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/02/2023] [Accepted: 11/02/2023] [Indexed: 11/03/2023]
Abstract
The olympicenyl radical (OR) has long been a fascinating spin doublet hydrocarbon radical that evoked theoretical and experimental research interests, but the chemistry of olympicenyl was limited by its inherent instability. Recently, this field was revived by the advent of stable, multi-substituted ORs and the isolation of them in the crystalline phase. In this minireview, we summarize the early studies on the pristine OR, as well as the recent advances on the substituted OR derivatives, heteroatom-containing OR derivatives, and OR-based diradicals and polyradicals. The synthetic chemistry, stabilization strategies, self-association behaviors, reactivities, and applications in the biological field of the abovementioned compounds were discussed.
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Affiliation(s)
- Qin Xiang
- Department of Chemistry and Haihe Laboratory of Sustainable Chemical Transformations, Tianjin university, Tianjin, 300072, China
| | - Lei Ye
- Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
| | - Lan Ma
- Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
| | - Zhe Sun
- Department of Chemistry and Haihe Laboratory of Sustainable Chemical Transformations, Tianjin university, Tianjin, 300072, China
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Slimani Y, Boukaoud A, Chiba Y, Sebbar D, Ammar MA, Ayad A. Exploration of electronic and vibrational properties of sulfanilic acid through periodic and non-periodic DFT calculations. J Mol Model 2024; 30:121. [PMID: 38570393 DOI: 10.1007/s00894-024-05911-6] [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: 03/04/2024] [Accepted: 03/22/2024] [Indexed: 04/05/2024]
Abstract
CONTEXT The electronic, discrete water solvation, and vibrational properties of zwitterionic sulfanilic acid were thoroughly investigated using periodic and non-periodic DFT approaches. The periodic-DFT results, obtained by employing the PBE-TS functional (Perdew-Burke-Ernzerhof (PBE) functional with the Tkatchenko and Scheffler (TS) dispersion correction) were first presented in order to analyze the band structures of the studied crystal. An attentive reading of the predicted band structures has shown three lowest gap energies calculated at 4.23, 4.24, and 4.29 eV arising from the Γ→Γ, Γ→Z, and Γ→S transitions, respectively. Then, non-periodic calculations were carried out, at the B3LYP-D3 level of theory (B3LYP functional with the D3 Grimme dispersion correction) in order to optimize the sulfanilic acid-(H2O)10 complex. Starting from the optimized structure, non-covalent interaction calculations were performed and the H-bonding, van der Waals, and steric effect interactions were identified. Finally, the PBE-TS calculations were strengthened by conducting anharmonic B3LYP-D3 calculations in order to achieve a complete decryption of the experimental IR spectrum of sulfanilic acid. The spectral analysis is not limited only to the interpretation of both the NH/CH stretching and fingerprint regions but also extended to the 1800-2600 cm-1 region, which is characterized by a strong anharmonic effect. In the latter wavenumber region, the large experimental IR band centered at 1937 cm-1 is reproduced theoretically employing the anharmonic B3LYP-D3 calculations. The similarity of this band with those usually considered as a fingerprint of zwitterionic amino acids is observed, and its origin is elucidated theoretically. In the vibrational spectroscopy field, the calculations presented in this study are probably the most appropriate for achieving vast analysis and accurate assignments of vibrational spectra of hydrogen bonding compounds recorded in the solid state. METHOD The periodic and non-periodic calculations were conducted within the Density Functional Theory (DFT) using the Generalized Gradient Approximation (GGA) at the PBE-TS level of theory and B3LYP-D3 functional with the 6-311++G(d,p) basis set, respectively. The PBE-TS and B3LYP-D3/6-311++G(d,p) calculations were performed using the CASTEP and Gaussian 09 programs, respectively. In addition, The non-covalent interactions were calculated by the Multiwfn 3.8 software. The obtained results for different calculations were visualized by employing the visualization tools in Materials Studio, GaussView, VMD, and Gnuplot programs.
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Affiliation(s)
- Yasmine Slimani
- Laboratory of Physics of Experimental Techniques and Their Applications, University of Medea, 26000, Medea, Algeria
| | - Abdelali Boukaoud
- Laboratory of Physics of Experimental Techniques and Their Applications, University of Medea, 26000, Medea, Algeria.
| | - Younes Chiba
- Renewable Energy and Materials Laboratory, Mechanical Engineering Department, University of Medea, 26000, Medea, Algeria
| | - Djamel Sebbar
- Laboratory of Physics of Experimental Techniques and Their Applications, University of Medea, 26000, Medea, Algeria
| | - Mohammed Ahmed Ammar
- Laboratory of Physics of Experimental Techniques and Their Applications, University of Medea, 26000, Medea, Algeria
| | - Abdelhak Ayad
- Département de Pharmacie, Faculté de Médecine, Université Salah Boubnider Constantine 3, Nouvelle ville Ali Mendjeli, 25005, Constantine, Algeria
- Laboratoire Microstructures et Défauts dans les Matériaux, Univeristé Frères Mentouri Constantine 1, Route Ain El Bey, 25017, Constantine, Algeria
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Saleem U, Jamil R, Nadeem H, Ahmed H, Abdelmohse SAM, Alanazi MM, Iqbal J. Sensing potential of C 6N 8 for ammonia (NH 3) and nitrogen triflouride (NF 3): A DFT study. J Mol Graph Model 2024; 127:108701. [PMID: 38194862 DOI: 10.1016/j.jmgm.2024.108701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 12/28/2023] [Accepted: 01/02/2024] [Indexed: 01/11/2024]
Abstract
The detection of toxic gases (NH3 and NF3) in regulating and monitoring air quality in the atmosphere has drawn a lot of attention. Herein, we explored a novel material (C6N8) for the detection of the important but toxic gases (NH3 and NF3). We investigated the interactions of the NH3 and NF3 with C6N8 through DFT at B3LYP, ωB97XD, and non-DFT M06-2X. Counterpoise interaction energy values (Eint. cp.) of NH3@C6N8 and NF3@C6N8 are -0.45 eV and -3.51 eV (for B3LYP), -0.42 eV and 2.11 eV (for ωB97XD) and -0.44 eV and -3.41eV (for M06-2X), respectively. Complexes having the most stable configurations were then subjected to further analyses including frontier molecular orbitals, H-L gap, and conductivity of complexes. An increase in the H-L gap in complexes (NH3@C6N8 and NF3@C6N8) is observed. The conductivity of NH3@C6N8 and NF3@C6N8 decreases as compared to C6N8. A considerable change in dipole moment was seen in C6N8 before and after complex formation. This is because of the shifting of charge between C6N8 and gases (NH3 and NF3). CHELPG and NBO charge analysis were used to evaluate the amount of charge transfer between C6N8 and gases. These analyses demonstrate that NH3 and NF3 withdraw electron density from C6N8. It was found that NH3 tends to be physically adsorbed on C6N8 while NF3 adsorbs chemically on C6N8. NCI and QTAIM analyses were performed to investigate the kind of interactions between the surface (C6N8) and gases (NH3 and NF3). Furthermore, the recovery time of NH3@C6N8 and NF3@C6N8 shows that C6N8 can be a better choice for sensing NH3 and NF3 gases.
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Affiliation(s)
- Uzma Saleem
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Rabia Jamil
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Hafsah Nadeem
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Hina Ahmed
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Shaimaa A M Abdelmohse
- Department of Physics, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Meznah M Alanazi
- Department of Physics, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Javed Iqbal
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan.
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Aetizaz M, Ullah F, Sarfaraz S, Mahmood T, Ayub K. Robust and facile detection of formaldehyde through transition metals doped olympicene sensors: a step forward DFT investigation. RSC Adv 2023; 13:29231-29241. [PMID: 37809028 PMCID: PMC10551803 DOI: 10.1039/d3ra04019d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 09/21/2023] [Indexed: 10/10/2023] Open
Abstract
Formaldehyde, a volatile organic compound (VOC) released by building and decoration materials, has many applications in the chemical feedstock industry. Excessive release of formaldehyde can cause serious health issues, such as chest tightness, cough, cancer, and tissue damage. Therefore, detection of formaldehyde is required. Herein transition metal (Fe, Ni, and Pd) doped olympicene is evaluated as a gas sensor for the detection of formaldehyde. The performance of the designed electrochemical sensor is evaluated through interaction energy, natural bond orbital (NBO) non-covalent interaction (NCI), electron density differences (EDD), electrostatic potential (ESP), quantum theory of atom in molecule (QTAIM), frontier molecular orbital (FMO), and density of states (DOS) analysis. Interaction energies obtained at B3LYP-D3/def-2 TZVP level of theory shows that formaldehyde is physiosorbed over the surface of transition metal doped olympicene. The trend for interaction energy is OLY(Ni)/HCHO > OLY(Fe)/HCHO > OLY(Pd)/HCHO. The presence of non-covalent interactions is confirmed by the QTAIM and NCI analyses, while transfer of charges is confirmed by natural bond orbital analysis. The reduced density gradient (RDG) approach using noncovalent interaction (NCI) analysis demonstrates that electrostatic hydrogen bonding interactions prevail in the complexes. Recovery time is calculated to check the reusability of the sensor. This study may provide a deep insight for the designing of highly efficient electrochemical sensor against formaldehyde with transition metals doped on olympicene.
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Affiliation(s)
- Muhammad Aetizaz
- Department of Chemistry, COMSATS University Abbottabad Campus KPK 22060 Pakistan +92-992-383591
| | - Faizan Ullah
- Department of Chemistry, COMSATS University Abbottabad Campus KPK 22060 Pakistan +92-992-383591
| | - Sehrish Sarfaraz
- Department of Chemistry, COMSATS University Abbottabad Campus KPK 22060 Pakistan +92-992-383591
| | - Tariq Mahmood
- Department of Chemistry, College of Science, University of Bahrain 1051 Bahrain
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University Abbottabad Campus KPK 22060 Pakistan +92-992-383591
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Zaman A, Shahriar R, Hossain SMT, Akhond MR, Mumu HT, Sharif A. A graphene-like BeS monolayer as a promising gas sensor material with strain and electric field induced tunable response: a first-principles study. RSC Adv 2023; 13:23558-23569. [PMID: 37555094 PMCID: PMC10405050 DOI: 10.1039/d2ra08121k] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 07/29/2023] [Indexed: 08/10/2023] Open
Abstract
A comprehensive investigation of the gas sensing potential of BeS monolayer has been conducted using DFT calculations. Twelve common pollutant gases: NH3, NO2, NO, CO, CO2, CH4, H2, O2, N2, H2S, H2O and SO2, have been studied. Our analysis reveals defect states in the band structure near the Fermi level and strong hybridization between gas molecule orbitals and the BeS monolayer. We observe higher adsorption energies for NH3 and CO compared to other popular gas sensing materials. The optical properties of CO2 and NO2 adsorbed on the BeS monolayer show increased reflectivity and absorption coefficient in the UV and far infrared region. Tensile strain has minimal impact on adsorption energy, while biaxial compressive strains enhance the gas sensing capability of the BeS monolayer. The application of an electric field offers control over gas adsorption and desorption. We propose the BeS monolayer as a promising candidate for future gas molecule sensing applications due to its high adsorption energy, rapid recovery time, and distinct optical properties.
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Affiliation(s)
- Akib Zaman
- Department of Materials and Metallurgical Engineering, Bangladesh University of Engineering & Technology Dhaka 1000 Bangladesh (+88)-029665618 (+88)-01912802486
| | - Rifat Shahriar
- Department of Electrical and Electronic Engineering, Bangladesh University of Engineering & Technology Dhaka 1000 Bangladesh
| | - S M Takvir Hossain
- Department of Materials and Metallurgical Engineering, Bangladesh University of Engineering & Technology Dhaka 1000 Bangladesh (+88)-029665618 (+88)-01912802486
| | - Md Rajbanul Akhond
- Department of Materials and Metallurgical Engineering, Bangladesh University of Engineering & Technology Dhaka 1000 Bangladesh (+88)-029665618 (+88)-01912802486
| | - Homayra Tabassum Mumu
- Department of Materials and Metallurgical Engineering, Bangladesh University of Engineering & Technology Dhaka 1000 Bangladesh (+88)-029665618 (+88)-01912802486
| | - Ahmed Sharif
- Department of Materials and Metallurgical Engineering, Bangladesh University of Engineering & Technology Dhaka 1000 Bangladesh (+88)-029665618 (+88)-01912802486
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Thomas S, Mayr F, Kulangara Madam A, Gagliardi A. Machine learning and DFT investigation of CO, CO 2 and CH 4 adsorption on pristine and defective two-dimensional magnesene. Phys Chem Chem Phys 2023; 25:13170-13182. [PMID: 37129598 DOI: 10.1039/d3cp00613a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Adsorption study of environmentally toxic small gas molecules on two-dimensional (2D) materials plays a significant role in analyzing the performance of sensors. In this work, density functional theory (DFT) and machine learning (ML) techniques have been employed to systematically study the adsorption properties of CO, CO2, and CH4 gas molecules on the pristine and defective planar magnesium monolayer, known as magnesene (2D-Mg). The DFT analysis showed that mechanically robust 2D-Mg retains its metallicity in the presence of both mono and di-vacancy defects. Our observations have shown that 2D-Mg, whether defective or pristine, exhibits distinct adsorption behaviors towards CO, CO2, and CH4 gas molecules, including varying chemisorption and physisorption, charge transfer, and distance from the gas molecules. When analyzing the recovery time of gas molecules at room temperature, it is clear that adsorption energy has a direct correlation with the adsorption-desorption cycles, and CH4 possesses an ultra-low recovery time (15.27 ps) compared to CO2 (1.04 ns) and CO (0.90 μs) molecules. The analysis showed that defects do not have a significant impact on the work function of 2D-Mg. However, the work function decreased upon adsorption of CH4, resulting in improved sensitivity due to changes in the electronic properties. Additionally, we explored supervised ML regression models to evaluate their ability to act as a surrogate for the DFT-based adsorption energy calculation. Using both system statistics and smooth overlap of atomic position (SOAP)-based featurization, we observed that adsorption energies can be predicted with a mean absolute error of 0.10 eV.
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Affiliation(s)
- Siby Thomas
- School of Computation, Information and Technology (SoCIT), Technical University of Munich (TUM), Hans-Piloty-Strasse 1, 85748 Garching, Munich, Germany.
| | - Felix Mayr
- School of Computation, Information and Technology (SoCIT), Technical University of Munich (TUM), Hans-Piloty-Strasse 1, 85748 Garching, Munich, Germany.
| | - Ajith Kulangara Madam
- Department of Physics, National Institute of Technology Karnataka (NITK), Surathkal, PO: Srinivasnagar-575025, Mangalore, Karnataka, India
| | - Alessio Gagliardi
- School of Computation, Information and Technology (SoCIT), Technical University of Munich (TUM), Hans-Piloty-Strasse 1, 85748 Garching, Munich, Germany.
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Louis H, Amodu IO, Eno EA, Benjamin I, Gber TE, Unimuke TO, Isang BB, Adeyinka AS. Modeling the Interactionof F-gases on Ruthenium-Doped Boron Nitridenanotube. CHEMISTRY AFRICA 2023. [DOI: 10.1007/s42250-023-00645-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Liu C, Chen Y, Guo G, Zhao Q, Jiang H, Wu K, Peng Q, Chen Y, Fang D, Shen B, Shen H, Wu D, Sun H. Interpretable Machine Learning Model for Predicting Interaction Energies between Dimethyl Sulfide and Potential Absorbing Solvents. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c04559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Affiliation(s)
- Chuanlei Liu
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yuxiang Chen
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Guanchu Guo
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Qiyue Zhao
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Hao Jiang
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Kongguo Wu
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Qilong Peng
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yu Chen
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Diyi Fang
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Benxian Shen
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
- International Joint Research Center of Green Energy Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Haitao Shen
- International Joint Research Center of Green Energy Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Di Wu
- Alexandra Navrotsky Institute for Experimental Thermodynamics, Washington State University, Pullman, Washington 99163, United States
- Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington 99163, United States
- Materials Science and Engineering, Washington State University, Pullman, Washington 99163, United States
- Department of Chemistry, Washington State University, Pullman, Washington 99163, United States
| | - Hui Sun
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
- International Joint Research Center of Green Energy Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
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Nagarajan V, Bhuvaneswari R, Chandiramouli R. Adsorption studies of camphene and eucalyptol molecules on orthorhombic germanane nanosheet - A first-principles investigation. J Mol Graph Model 2023; 119:108395. [PMID: 36549225 DOI: 10.1016/j.jmgm.2022.108395] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/08/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022]
Abstract
In the present work, we deployed a novel orthorhombic germanane nanosheet (ortho-GeNS) as a sensing material to detect camphene and eucalyptol molecules, the indoor air pollutants in the ambient environment. In the beginning, the structural and dynamical permanency of ortho-GeNS is confirmed with cohesive energy (-4.164eV/atom) and phonon-band maps. Successively, the electronic features of ortho-GeNS are conferred using band structure along with the projected density of states maps. The energy gap of ortho-GeNS at the hybrid GGA/B3LYP level of theory is computed to be 3.948 eV. Mainly, the adsorption properties of terpinene molecules, namely camphene and eucalyptol on ortho-GeNS are investigated via ascertaining adsorption energy, Mulliken population analysis, and relative band gap variations. Besides, the scope of adsorption energy values (-0.405eVto-0.669eV) exemplifies that the target molecules are physisorbed on ortho-GeNS. Overall results suggested that the ortho-GeNS can be deployed as a worthy chemiresistive sensor to sense indoor air pollutants for monitoring indoor air quality.
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Affiliation(s)
- V Nagarajan
- School of Electrical & Electronics Engineering, SASTRA Deemed University, Tirumalaisamudram, Thanjavur, 613 401, India
| | - R Bhuvaneswari
- School of Electrical & Electronics Engineering, SASTRA Deemed University, Tirumalaisamudram, Thanjavur, 613 401, India
| | - R Chandiramouli
- School of Electrical & Electronics Engineering, SASTRA Deemed University, Tirumalaisamudram, Thanjavur, 613 401, India.
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Gul S, Rasool A, Hameed S, Shehzad RA, Ayub K, Ans M, Iqbal J. Alkaline earth metals (Be, Mg, Ca) doped hexamine complexant with enhanced electronic and nonlinear optical properties. J Mol Model 2022; 28:378. [DOI: 10.1007/s00894-022-05362-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 10/23/2022] [Indexed: 11/09/2022]
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