1
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Sensing cyclosarin (a chemical warfare agent) by Cucurbit[n]urils: A DFT/TD-DFT study. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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2
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Abstract
The heavier chalcogen atoms S, Se, and Te can each participate in a range of different noncovalent interactions. They can serve as both proton donor and acceptor in H-bonds. Each atom can also act as electron acceptor in a chalcogen bond.
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Affiliation(s)
- Steve Scheiner
- Department of Chemistry and Biochemistry, Utah State University, Logan, Utah 84322-0300, USA
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3
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Jindani S, Ganguly B. Exploiting the role of stereoelectronic effects to design the antagonists of the human complement C3a receptor. NEW J CHEM 2021. [DOI: 10.1039/d1nj00730k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Stereoelectronic effects are crucial in governing the conformational behaviour of small molecules bearing heterocyclic rings adjacent to amides.
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Affiliation(s)
- Sana Jindani
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility)
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar 364002
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Bishwajit Ganguly
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility)
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar 364002
- India
- Academy of Scientific and Innovative Research (AcSIR)
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4
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Wakchaure PD, Ganguly B. Probing the bent bonds in cyclopropane systems for gas storage and separation process: A computational study. J Comput Chem 2020; 41:1271-1284. [PMID: 32064637 DOI: 10.1002/jcc.26174] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Accepted: 02/01/2020] [Indexed: 11/07/2022]
Abstract
The hydrogen, carbon dioxide, and carbon monoxide gas adsorption and storage capacity of lithium-decorated cyclopropane ring systems were examined with quantum chemical calculations at density functional theory, DFT M06-2X functional using 6-31G(d) and cc-pVDZ basis sets. To examine the reliability of M06-2X DFT functional, a few representative systems are also examined with complete basis set CBS-QB3 method and CCSD-aug-cc-pVTZ level of theory. The cyclopropane systems can bind to one Li+ ion; however, the corresponding the methylated systems can bind with two Li+ ions. The cyclopropane systems can adsorb six hydrogen molecules with an average binding energy of 3.8 kcal/mol. The binding free energy (ΔG) values suggest that the hydrogen adsorption process is feasible at 273.15 K. The calculation of desorption energies indicates the recyclable property of gas adsorbed complexes. The same number of CO2 and CO gas molecules can also be adsorbed with an average binding energy of -14.4 kcal/mol and -10.7 kcal/mol, respectively. The carbon dioxide showed ~3-4 kcal/mol better binding energy as compared to carbon monoxide and hence such designed systems can function as a potential candidate for the separation of these flue gas molecules. The nature of interactions in complexes was examined with atoms in molecules analysis revealed the electrostatic nature for the interaction of Li+ ion with cyclopropane rings. The chemical hardness and electrophilicity calculations showed that the gas adsorbed complexes are rigid and therefore robust as gas storage materials.
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Affiliation(s)
- Padmaja D Wakchaure
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility), CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, Gujarat, India.,Academy of Scientific and Innovative Research, CSIR-CSMCRI, Bhavnagar, Gujarat, India
| | - Bishwajit Ganguly
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility), CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, Gujarat, India.,Academy of Scientific and Innovative Research, CSIR-CSMCRI, Bhavnagar, Gujarat, India
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5
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Bauzá A, Frontera A. σ/π-Hole noble gas bonding interactions: Insights from theory and experiment. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2019.213112] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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6
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Si MK, Saha A, Ganguly B. Exploiting σ-hole interaction to design small uncharged ligand molecules to stabilize G-quadruplex-DNA: a computational study. J Mol Model 2020; 26:38. [PMID: 32008146 DOI: 10.1007/s00894-019-4282-2] [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: 07/16/2019] [Accepted: 12/19/2019] [Indexed: 11/28/2022]
Abstract
Small neutral seleno molecules were designed to stabilize G-quadruplex-DNA to accelerate the death of cancer cells. A new approach was considered in this study to design new ligands to stabilize G-quadruplex-DNA using the non-covalent σ-hole interaction. The systematic study has been performed with ligands in the absence and presence of σ-hole interaction to stabilize G-tetrad. Fluorine-substituted seleno ligands interact with the bases of G-quadruplex strongly with the σ-holes present in the ligands. The binding of the fluorinated ligands FSeCF2SeCF2 SeF2(4) (~75.0 kcal/mol) is stronger than that of BRACO-19 (~70.0 kcal/mol) calculated at the same level of theory with G-tetrad. It is reported that BRACO-19 is employed to inhibit the enzymatic activity of telomerase. The calculated results also reveal the importance of optimum chain length of ligands to achieve a better binding ability with G-tetrad. The MESP calculations and AIM analysis corroborate the trends of binding of these ligand molecules with G-quadruplexes. The small neutral molecules possess considerable advantage to pass through the lipid bilayer of the cell membrane by passive transport and are of choice in biological research and for clinical trials. Graphical AbtractSmall neutral ligands with σ-holes can stabilize G-quadruplex to inhibit enzymatic activity of telomerase.
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Affiliation(s)
- Mrinal Kanti Si
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility), CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, Gujarat, 364002, India.,Academy of Scientific and Innovative Research, CSIR-CSMCRI, Bhavnagar, Gujarat, 364002, India
| | - Anusuya Saha
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility), CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, Gujarat, 364002, India
| | - Bishwajit Ganguly
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility), CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, Gujarat, 364002, India. .,Academy of Scientific and Innovative Research, CSIR-CSMCRI, Bhavnagar, Gujarat, 364002, India.
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7
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Channar PA, Saeed A, Larik FA, Flörke U, El-Seedi H, Rodríguez Pirani LS, Erben MF. An intramolecular 1,5-chalcogen bond on the conformational preference of carbonyl thiocarbamate species. NEW J CHEM 2020. [DOI: 10.1039/c9nj06417f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two closely related carbamothioates were prepared by the reaction of benzoyl isothiocyanates and methanol. The crystal structures show the occurrence of 1,5-O⋯O intramolecular short distance that determines the conformational preference.
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Affiliation(s)
| | - Aamer Saeed
- Department of Chemistry
- Quaid-I-Azam University
- Islamabad 45320
- Pakistan
| | - Fayaz Ali Larik
- Department of Chemistry
- Quaid-I-Azam University
- Islamabad 45320
- Pakistan
| | - Ulrich Flörke
- Department Chemie
- Fakultät für Naturwissenschaften
- Universität Paderborn
- D-33098 Paderborn
- Germany
| | - Hesham El-Seedi
- International Research Center for Food Nutrition and Safety
- Jiangsu University
- Zhenjiang 212013
- China
- Al-Rayan Research and Innovation Center
| | - Lucas S. Rodríguez Pirani
- CEQUINOR (UNLP, CONICET-CCT La Plata)
- Departamento de Química
- Facultad de Ciencias Exactas
- Universidad Nacional de La Plata
- La Plata
| | - Mauricio F. Erben
- CEQUINOR (UNLP, CONICET-CCT La Plata)
- Departamento de Química
- Facultad de Ciencias Exactas
- Universidad Nacional de La Plata
- La Plata
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8
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Shahrokhi F, Fazli Estabragh R, Zhao Y. Synthesis and comparative studies of K-region functionalized pyrene derivatives. NEW J CHEM 2020. [DOI: 10.1039/d0nj03897k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Three new K-region functionalized pyrene derivatives were synthesized and characterized to understand their electronic, redox, and crystallographic properties.
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Affiliation(s)
- Farshid Shahrokhi
- Department of Chemistry
- Memorial University of Newfoundland
- St. John's
- Canada A1B 3X7
| | | | - Yuming Zhao
- Department of Chemistry
- Memorial University of Newfoundland
- St. John's
- Canada A1B 3X7
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9
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Franconetti A, Frontera A. Theoretical and Crystallographic Study of Lead(IV) Tetrel Bonding Interactions. Chemistry 2019; 25:6007-6013. [DOI: 10.1002/chem.201900447] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 03/04/2019] [Indexed: 01/09/2023]
Affiliation(s)
- Antonio Franconetti
- Departament de QuímicaUniversitat de les Illes Balears Crta de Valldemossa km 7.7 07122 Palma de Mallorca Spain
| | - Antonio Frontera
- Departament de QuímicaUniversitat de les Illes Balears Crta de Valldemossa km 7.7 07122 Palma de Mallorca Spain
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10
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Bauzá A, Seth SK, Frontera A. Tetrel bonding interactions at work: Impact on tin and lead coordination compounds. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.01.003] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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11
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Exploring the origin and magnitude of tetrasulfur tetranitrogen interaction with π-ring systems using first principle calculations. Chem Phys Lett 2018. [DOI: 10.1016/j.cplett.2018.10.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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12
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Song G, Bozzelli JW. Structural and thermochemical properties of methyl ethyl sulfide alcohols: HOCH 2
SCH 2
CH 3
, CH 3
SCH(OH)CH 3
, CH 3
SCH 2
CH 2
OH, and radicals corresponding to loss of H atom. J PHYS ORG CHEM 2018. [DOI: 10.1002/poc.3836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Guanghui Song
- Department of Chemical, Biological and Pharmaceutical Engineering; New Jersey Institute of Technology, University Heights; Newark NJ USA
| | - Joseph W. Bozzelli
- Department of Chemical, Biological and Pharmaceutical Engineering; New Jersey Institute of Technology, University Heights; Newark NJ USA
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13
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Nuzzo S, Twamley B, Platts JA, Baker RJ. Pseudohalide Tectons within the Coordination Sphere of the Uranyl Ion: Experimental and Theoretical Study of C-H···O, C-H···S, and Chalcogenide Noncovalent Interactions. Inorg Chem 2018. [PMID: 29542918 DOI: 10.1021/acs.inorgchem.7b02967] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A series of uranyl thiocyanate and selenocyanate of the type [R4N]3[UO2(NCS)5] (R4 = nBu4, Me3Bz, Et3Bz), [Ph4P][UO2(NCS)3(NO3)] and [R4N]3[UO2(NCSe)5] (R4 = Me4, nPr4, Et3Bz) have been prepared and structurally characterized. The resulting noncovalent interactions have been examined and compared to other examples in the literature. The nature of these interactions is determined by the cation so that when the alkyl groups are small, chalcogenide···chalcogenide interactions are present, but this "switches off" when R = nPr and charge assisted U═O···H-C and S(e)···H-C hydrogen bonding remain the dominant interaction. Increasing the size of the chain to nBu results in only S···H-C interactions. The spectroscopic implications of these chalcogenide interactions have been explored in the vibrational and photophysical properties of the series [R4N]3[UO2(NCS)5] (R4 = Me4, Et4, nPr4, nBu4, Me3Bz, Et3Bz), [R4N]3[UO2(NCSe)5] (R4 = Me4, nPr4, Et3Bz) and [Et4N]4[UO2(NCSe)5][NCSe]. The data suggest that U═O···H-C interactions are weak and do not perturb the uranyl moiety. While the chalcogenide interactions do not influence the photophysical properties, a coupling of the U═O and δ(NCS) or δ(NCSe) vibrational modes is observed in the 77 K solid state emission spectra. A theoretical examination of representative examples of Se···Se, C-H···Se, and C-H···O═U by molecular electrostatic potentials and NBO and AIM methodologies gives a deeper understanding of these weak interactions. C-H···Se are individually weak but C-H···O═U interactions are even weaker, supporting the idea that the -yl oxo's are weak Lewis bases. An Atoms in Molecules study suggests that the chalcogenide interaction is similar to lone pair···π or fluorine···fluorine interactions. An oxidation of the NCS ligands to form [(UO2)(SO4)2(H2O)4]·3H2O was also noted.
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Affiliation(s)
- Stefano Nuzzo
- School of Chemistry , University of Dublin, Trinity College , Dublin 2 , Ireland
| | - Brendan Twamley
- School of Chemistry , University of Dublin, Trinity College , Dublin 2 , Ireland
| | - James A Platts
- School of Chemistry, Main Building , Cardiff University , Park Place , Cardiff CF10 3AT , U.K
| | - Robert J Baker
- School of Chemistry , University of Dublin, Trinity College , Dublin 2 , Ireland
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14
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García-Ortiz AL, Domínguez-González R, Romero-Ávila M, Flores-Pérez B, Guillén L, Castro M, Barba-Behrens N. The role of weak interactions in self-assembly of supramolecular associations of benzothiazole derivatives and their coordination compounds. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.10.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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15
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Wang W, Sheng X, Zhang S, Huang F, Sun C, Liu J, Chen D. Theoretical characterization of the conformational features of unnatural oligonucleotides containing a six nucleotide genetic alphabet. Phys Chem Chem Phys 2018; 18:28492-28501. [PMID: 27711557 DOI: 10.1039/c6cp05594j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The addition of the unnatural P:Z base pair to the four naturally occurring DNA bases expands the genetic alphabet and yields an artificially expanded genetic information system (AEGIS). Herein, the structural feature of oligonucleotides containing a novel unnatural P:Z base pair is characterized using both molecular dynamics and quantum chemistry. The results show that the incorporation of the novel artificial base pair (P:Z) preserves the global conformational feature of duplex DNA except for some local structures. The Z-nitro group imparts new properties to the groove width, which widens the major groove. The unnatural oligonucleotides containing mismatched base pairs exhibit low stability. This ensures efficient and high-fidelity replication. In general, the incorporation of the P:Z pair strengthens the stability of the corresponding DNA duplex. The calculated results also show that the thermostability originates from both hydrogen interaction and stacking interaction. The Z-nitro group plays an important role in enhancing the stability of the H-bonds and stacking strength of the P:Z pair. Overall, the present results provide theoretical insights in the exploration of artificially expanded genetic information systems.
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Affiliation(s)
- Wenjuan Wang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China.
| | - Xiehuang Sheng
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China.
| | - Shaolong Zhang
- College of Physics and Electronics, Shandong Normal University, Jinan 250014, P. R. China
| | - Fang Huang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China.
| | - Chuanzhi Sun
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China.
| | - Jianbiao Liu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China.
| | - Dezhan Chen
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China.
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16
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Kanti Si M, Sen A, Ganguly B. Exploiting hydrogen bonding interactions to probe smaller linear and cyclic diamines binding to G-quadruplexes: a DFT and molecular dynamics study. Phys Chem Chem Phys 2017; 19:11474-11484. [DOI: 10.1039/c7cp00472a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This report reveals that hydrogen bonding interactions between the ligand and G-quadruplex can initiate an alternative binding motif to typical π-stacking interactions.
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Affiliation(s)
- Mrinal Kanti Si
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility)
- CSIR-Central Salt & Marine Chemicals Research Institute
- Bhavnagar
- India
- Academy of Scientific and Innovative Research
| | - Anik Sen
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility)
- CSIR-Central Salt & Marine Chemicals Research Institute
- Bhavnagar
- India
| | - Bishwajit Ganguly
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility)
- CSIR-Central Salt & Marine Chemicals Research Institute
- Bhavnagar
- India
- Academy of Scientific and Innovative Research
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17
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Sahu D, Jana K, Ganguly B. The role of non-covalent interaction for the adsorption of CO2 and hydrocarbons with per-hydroxylated pillar[6]arene: a computational study. NEW J CHEM 2017. [DOI: 10.1039/c7nj01744h] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A systematic study has been performed with DFT calculations for the physisorption of CO2, CH4, and n-butane gases by pillar[6]arene (PA[6]) in gas phase.
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Affiliation(s)
- Debashis Sahu
- Computation and Simulation Unit
- Analytical Discipline & Centralized Instrument Facility, and Academy of Scientific and Innovative Research
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar
- India
| | - Kalyanashis Jana
- Computation and Simulation Unit
- Analytical Discipline & Centralized Instrument Facility, and Academy of Scientific and Innovative Research
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar
- India
| | - Bishwajit Ganguly
- Computation and Simulation Unit
- Analytical Discipline & Centralized Instrument Facility, and Academy of Scientific and Innovative Research
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar
- India
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18
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Han J, Kaspersen SJ, Nervik S, Nørsett KG, Sundby E, Hoff BH. Chiral 6-aryl-furo[2,3-d]pyrimidin-4-amines as EGFR inhibitors. Eur J Med Chem 2016; 119:278-99. [DOI: 10.1016/j.ejmech.2016.04.054] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 04/04/2016] [Accepted: 04/22/2016] [Indexed: 01/02/2023]
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19
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Jana K, Ganguly B. In silico studies with substituted adenines to achieve a remarkable stability of mispairs with thymine nucleobase. NEW J CHEM 2016. [DOI: 10.1039/c5nj02311d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The modified adenine and thymine mispair achieves a remarkable stability, which can presumably help the DNA lesions to be less cytotoxic.
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Affiliation(s)
- Kalyanashis Jana
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility)
- CSIR – Central Salt and Marine Chemicals Research Institute
- Bhavnagar – 364002
- India
- Academy of Scientific and Innovative Research
| | - Bishwajit Ganguly
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility)
- CSIR – Central Salt and Marine Chemicals Research Institute
- Bhavnagar – 364002
- India
- Academy of Scientific and Innovative Research
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20
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Si MK, Ganguly B. Computational evidence that hyperconjugative orbital interactions are responsible for the stability of intramolecular Te⋯O/Te⋯S non-covalent interactions and comparable to hydrogen bonds in quasi-cyclic systems. NEW J CHEM 2016. [DOI: 10.1039/c6nj01707j] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The intramolecular secondary bonding interactions involving quasi-cyclic tellurium are comparable to H-bond strength and partially governed by orbital interactions.
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Affiliation(s)
- Mrinal Kanti Si
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility)
- CSIR-Central Salt & Marine Chemicals Research Institute
- Gujarat
- India
- Academy of Scientific and Innovative Research
| | - Bishwajit Ganguly
- Computation and Simulation Unit (Analytical Discipline and Centralized Instrument Facility)
- CSIR-Central Salt & Marine Chemicals Research Institute
- Gujarat
- India
- Academy of Scientific and Innovative Research
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21
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Scheiner S. Comparison of CH···O, SH···O, Chalcogen, and Tetrel Bonds Formed by Neutral and Cationic Sulfur-Containing Compounds. J Phys Chem A 2015; 119:9189-99. [DOI: 10.1021/acs.jpca.5b06831] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Steve Scheiner
- Department of Chemistry and
Biochemistry, Utah State University, Logan, Utah 84322-0300, United States
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22
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Khamaru K, Ganguly B. In silico design of adamantane derived organic superbases with an extended hydrogen bond network and their use as molecular containers for the storage of H2 and CO2. RSC Adv 2015. [DOI: 10.1039/c5ra19206d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
DFT calculations predicted that amine substituted adamantane derivatives can function as organic superbases and can be used for gas storage.
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Affiliation(s)
- Krishnendu Khamaru
- Computation and Simulation Unit
- Analytical Discipline & Centralized Instrument Facility, and Academy of Scientific and Innovative Research
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar
- India
| | - Bishwajit Ganguly
- Computation and Simulation Unit
- Analytical Discipline & Centralized Instrument Facility, and Academy of Scientific and Innovative Research
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar
- India
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