1
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Metya S, Roy S, Mandal S, Huang QR, Kuo JL, Das A. Modulation of the strength of weak S-H⋯O hydrogen-bond: Spectroscopic study of the complexes of 2-flurothiophenol with methanol and ethanol. J Chem Phys 2024; 160:224302. [PMID: 38856058 DOI: 10.1063/5.0208086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 05/27/2024] [Indexed: 06/11/2024] Open
Abstract
Spectroscopic exploration of sulfur-centered hydrogen bonding involving a thiol group (S-H) as the hydrogen bond donor is scarce in the literature. Herein, we have investigated 1:1 complexes of 2-fluorothiophenol (2-FTP) with methanol (MeOH) and ethanol (EtOH) in the gas phase to examine the physical characteristics and strength of the S-H⋯O hydrogen bond. Structures, conformations, and the strength of the S-H⋯O interaction are investigated by measuring the electronic and Infrared (IR) spectra of the two complexes employing resonant two-photon ionization, UV-UV hole-burning, and IR-UV double resonance spectroscopic techniques combined with quantum chemical calculations. Three conformers of 2-FTP⋯MeOH and two conformers of 2-FTP⋯EtOH have been detected in the experiment. A comparison of the IR spectra obtained from the experiment with those of the low-energy conformers of 2-FTP⋯MeOH and 2-FTP⋯EtOH predicted from the theory confirms that all the observed conformers of the two complexes are primarily S-H⋯O hydrogen bonded. The IR red-shifts found in the S-H stretching frequencies in 2-FTP⋯MeOH and 2-FTP⋯EtOH concerning that in 2-FTP are ∼76 and ∼88 cm-1, respectively, which are much larger than that was reported earlier in the 2-FTP⋯H2O complex (30 cm-1). The strength and physical nature of different noncovalent interactions, including the S-H⋯O hydrogen bond existing in the complexes, are further analyzed using natural bond orbital analysis, quantum theory of atoms in molecules, and localized molecular orbital-energy decomposition analysis. The current investigation reveals that the S-H⋯O hydrogen bond can be strengthened by judicial choices of the hydrogen bond acceptors of higher proton affinities.
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Affiliation(s)
- Surajit Metya
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Supravat Roy
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Sourav Mandal
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Qian-Rui Huang
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan
| | - Jer-Lai Kuo
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan
| | - Aloke Das
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
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2
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Lu T, Chen R, Liu Q, Zhong Y, Lei F, Zeng Z. Unveiling the Nature and Strength of Selenium-Centered Chalcogen Bonds in Binary Complexes of SeO 2 with Oxygen-/Sulfur-Containing Lewis Bases: Insights from Theoretical Calculations. Int J Mol Sci 2024; 25:5609. [PMID: 38891796 PMCID: PMC11171880 DOI: 10.3390/ijms25115609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 05/11/2024] [Accepted: 05/17/2024] [Indexed: 06/21/2024] Open
Abstract
Among various non-covalent interactions, selenium-centered chalcogen bonds (SeChBs) have garnered considerable attention in recent years as a result of their important contributions to crystal engineering, organocatalysis, molecular recognition, materials science, and biological systems. Herein, we systematically investigated π-hole-type Se∙∙∙O/S ChBs in the binary complexes of SeO2 with a series of O-/S-containing Lewis bases by means of high-level ab initio computations. The results demonstrate that there exists an attractive interaction between the Se atom of SeO2 and the O/S atom of Lewis bases. The interaction energies computed at the MP2/aug-cc-pVTZ level range from -4.68 kcal/mol to -10.83 kcal/mol for the Se∙∙∙O chalcogen-bonded complexes and vary between -3.53 kcal/mol and -13.77 kcal/mol for the Se∙∙∙S chalcogen-bonded complexes. The Se∙∙∙O/S ChBs exhibit a relatively short binding distance in comparison to the sum of the van der Waals radii of two chalcogen atoms. The Se∙∙∙O/S ChBs in all of the studied complexes show significant strength and a closed-shell nature, with a partially covalent character in most cases. Furthermore, the strength of these Se∙∙∙O/S ChBs generally surpasses that of the C/O-H∙∙∙O hydrogen bonds within the same complex. It should be noted that additional C/O-H∙∙∙O interactions have a large effect on the geometric structures and strength of Se∙∙∙O/S ChBs. Two subunits are connected together mainly via the orbital interaction between the lone pair of O/S atoms in the Lewis bases and the BD*(OSe) anti-bonding orbital of SeO2, except for the SeO2∙∙∙HCSOH complex. The electrostatic component emerges as the largest attractive contributor for stabilizing the examined complexes, with significant contributions from induction and dispersion components as well.
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Affiliation(s)
| | | | | | | | - Fengying Lei
- School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China; (T.L.); (R.C.); (Q.L.); (Y.Z.)
| | - Zhu Zeng
- School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China; (T.L.); (R.C.); (Q.L.); (Y.Z.)
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3
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Patil ND, Bains A, Sridhar K, Bhaswant M, Kaur S, Tripathi M, Lanterbecq D, Chawla P, Sharma M. Extraction, Modification, Biofunctionality, and Food Applications of Chickpea (Cicer arietinum) Protein: An Up-to-Date Review. Foods 2024; 13:1398. [PMID: 38731769 PMCID: PMC11083271 DOI: 10.3390/foods13091398] [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: 04/12/2024] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/13/2024] Open
Abstract
Plant-based proteins have gained popularity in the food industry as a good protein source. Among these, chickpea protein has gained significant attention in recent times due to its high yields, high nutritional content, and health benefits. With an abundance of essential amino acids, particularly lysine, and a highly digestible indispensable amino acid score of 76 (DIAAS), chickpea protein is considered a substitute for animal proteins. However, the application of chickpea protein in food products is limited due to its poor functional properties, such as solubility, water-holding capacity, and emulsifying and gelling properties. To overcome these limitations, various modification methods, including physical, biological, chemical, and a combination of these, have been applied to enhance the functional properties of chickpea protein and expand its applications in healthy food products. Therefore, this review aims to comprehensively examine recent advances in Cicer arietinum (chickpea) protein extraction techniques, characterizing its properties, exploring post-modification strategies, and assessing its diverse applications in the food industry. Moreover, we reviewed the nutritional benefits and sustainability implications, along with addressing regulatory considerations. This review intends to provide insights into maximizing the potential of Cicer arietinum protein in diverse applications while ensuring sustainability and compliance with regulations.
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Affiliation(s)
- Nikhil Dnyaneshwar Patil
- Department of Food Technology and Nutrition, Lovely Professional University, Phagwara 144411, India; (N.D.P.)
| | - Aarti Bains
- Department of Microbiology, Lovely Professional University, Phagwara 144411, India
| | - Kandi Sridhar
- Department of Food Technology, Karpagam Academy of Higher Education Deemed to be University, Coimbatore 641021, India
| | - Maharshi Bhaswant
- New Industry Creation Hatchery Center, Tohoku University, Sendai 9808579, Japan
- Center for Molecular and Nanomedical Sciences, Sathyabama Institute of Science and Technology, Chennai 600119, India
| | - Sawinder Kaur
- Department of Food Technology and Nutrition, Lovely Professional University, Phagwara 144411, India; (N.D.P.)
| | - Manikant Tripathi
- Biotechnology Program, Dr. Rammanohar Lohia Avadh University, Ayodhya 224001, India
| | | | - Prince Chawla
- Department of Food Technology and Nutrition, Lovely Professional University, Phagwara 144411, India; (N.D.P.)
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4
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Tu Quyen LT, Tung BN, Thach PN, Tri NN, Trung NT. Characteristics of nonconventional hydrogen bonds and stability of dimers of chalcogenoaldehyde derivatives: a noticeable role of oxygen compared to other chalcogens. RSC Adv 2024; 14:14114-14125. [PMID: 38686288 PMCID: PMC11057360 DOI: 10.1039/d4ra01837k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Accepted: 04/17/2024] [Indexed: 05/02/2024] Open
Abstract
In this work, twenty-four stable dimers of RCHZ with R = H, F, Cl, Br, CH3 or NH2 and Z = O, S, Se or Te were determined. It was found that the stability of most dimers is primarily contributed by the electrostatic force, except for the dominant role of the induction term in those involving a Te atom, which has been rarely observed. Both electron-donating and -withdrawing groups in substituted formaldehyde cause an increase in the strength of nonconventional Csp2-H⋯Z hydrogen bonds, as well as the dimers, in which the electron donating effect plays a more crucial role. The strength of nonconventional hydrogen bonds decreases in the following order: Csp2-H⋯O ≫ Csp2-H⋯S > Csp2-H⋯Se > Csp2-H⋯Te. Remarkably, a highly significant role of the O atom compared to S, Se and Te in increasing the Csp2-H stretching frequency and strength of the nonconventional hydrogen bonds and dimers is found. A Csp2-H stretching frequency red-shift is observed in Csp2-H⋯S/Se/Te, while a blue-shift is obtained in Csp2-H⋯O. When Z changes from O to S to Se and to Te, the Csp2-H blue-shift tends to decrease and eventually turns to a red-shift, in agreement with the increasing order of the proton affinity at Z in the isolated monomer. The magnitude of the Csp2-H stretching frequency red-shift is larger for Csp2-H⋯Te than Csp2-H⋯S/Se, consistent with the rising trend of proton affinity at the Z site and the polarity of the Csp2-H bond in the substituted chalcogenoaldehydes. The Csp2-H blue-shifting of the Csp2-H⋯O hydrogen bonds is observed in all dimers regardless of the electron effect of the substituents. Following complexation, the electron-donating derivatives exhibit a stronger Csp2-H blue-shift compared to the electron-withdrawing ones. Notably, the stronger Csp2-H blue-shift turns out to involve a less polarized Csp2-H bond and a decrease in the occupation at the σ*(Csp2-H) antibonding orbital in the isolated monomer.
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Affiliation(s)
- Le Thi Tu Quyen
- Laboratory of Computational Chemistry and Modelling (LCCM), Quy Nhon University 170 An Duong Vuong Street Quy Nhon City 590000 Vietnam
| | - Bui Nhat Tung
- Laboratory of Computational Chemistry and Modelling (LCCM), Quy Nhon University 170 An Duong Vuong Street Quy Nhon City 590000 Vietnam
| | - Pham Ngoc Thach
- Laboratory of Computational Chemistry and Modelling (LCCM), Quy Nhon University 170 An Duong Vuong Street Quy Nhon City 590000 Vietnam
- Faculty of Natural Sciences, Quy Nhon University 170 An Duong Vuong Street Quy Nhon City 590000 Vietnam
| | - Nguyen Ngoc Tri
- Laboratory of Computational Chemistry and Modelling (LCCM), Quy Nhon University 170 An Duong Vuong Street Quy Nhon City 590000 Vietnam
- Faculty of Natural Sciences, Quy Nhon University 170 An Duong Vuong Street Quy Nhon City 590000 Vietnam
| | - Nguyen Tien Trung
- Laboratory of Computational Chemistry and Modelling (LCCM), Quy Nhon University 170 An Duong Vuong Street Quy Nhon City 590000 Vietnam
- Faculty of Natural Sciences, Quy Nhon University 170 An Duong Vuong Street Quy Nhon City 590000 Vietnam
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5
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Zachmann AKZ, Drappeau JA, Liu S, Alexanian EJ. C(sp 3)-H (N-Phenyltetrazole)thiolation as an Enabling Tool for Molecular Diversification. Angew Chem Int Ed Engl 2024:e202404879. [PMID: 38657161 DOI: 10.1002/anie.202404879] [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: 03/11/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 04/26/2024]
Abstract
Methods enabling the broad diversification of C(sp3)-H bonds from a common intermediate are especially valuable in chemical synthesis. Herein, we report a site-selective (N-phenyltetrazole)thiolation of aliphatic and (hetero)benzylic C(sp3)-H bonds using a commercially available disulfide to access N-phenyltetrazole thioethers. The thioether products are readily elaborated in diverse fragment couplings for C-C, C-O, or C-N construction. The C-H functionalization proceeds via a radical-chain pathway involving hydrogen atom transfer by the electron-poor N-phenyltetrazolethiyl radical. Hexafluoroisopropanol was found to be essential to reactions involving aliphatic C(sp3)-H thiolation, with computational analysis consistent with dual hydrogen bonding of the N-phenyltetrazolethiyl radical imparting increased radical electrophilicity to facilitate the hydrogen atom transfer. Substrate is limiting reagent in all cases, and the reaction displays an exceptional functional group tolerance well suited to applications in late-stage diversification.
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Affiliation(s)
- Ashley K Z Zachmann
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Justine A Drappeau
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Shubin Liu
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Research Computing Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Erik J Alexanian
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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6
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Lu T, Zhang J, Xu Y, Wang Z, Feng G, Zeng Z. Hydrogen bond interactions between thioethers and amides: A joint rotational spectroscopic and theoretical study of the formamide⋯dimethyl sulfide adduct. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 288:122199. [PMID: 36473293 DOI: 10.1016/j.saa.2022.122199] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 11/17/2022] [Accepted: 11/27/2022] [Indexed: 06/17/2023]
Abstract
The rotational spectrum of the binary adduct of formamide (HCONH2) with dimethyl sulfide (DMS) has been investigated employing cavity-based Fourier transform microwave spectroscopy combined with theoretical computations. Experimentally, only one isomer of the adduct was unambiguously observed and assigned according to the theoretically predicted spectroscopic parameters, and its rotational spectrum displays the hyperfine splittings associated with the 14N nuclear quadrupole coupling effect. The observed isomer exhibits Cs symmetry, such that the ∠CSC angle of the DMS subunit is bisected by the ab-plane of the HCONH2 moiety. The two moieties in the detected isomer are connected via one primary NH···S and two secondary CH···O hydrogen bonds. Quantum theory of atoms in molecules (QTAIM), non-covalent interaction (NCI), natural bond orbital (NBO) and symmetry-adapted perturbation theory (SAPT) approaches were utilized for characterizing the intermolecular interactions occurring in the titled adduct. Additionally, the adduct of HCONH2 with dimethyl ether (DME) was also theoretically investigated to compare the difference in structure and energy characteristics between the NH···S and NH···O hydrogen bonds.
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Affiliation(s)
- Tao Lu
- School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China; School of Chemistry and Chemical Engineering, Chongqing University, Daxuecheng South Rd. 55, Chongqing 401331, China.
| | - Jiaqi Zhang
- School of Chemistry and Chemical Engineering, Chongqing University, Daxuecheng South Rd. 55, Chongqing 401331, China
| | - Yugao Xu
- School of Chemistry and Chemical Engineering, Chongqing University, Daxuecheng South Rd. 55, Chongqing 401331, China
| | - Zhen Wang
- School of Chemistry and Chemical Engineering, Chongqing University, Daxuecheng South Rd. 55, Chongqing 401331, China
| | - Gang Feng
- School of Chemistry and Chemical Engineering, Chongqing University, Daxuecheng South Rd. 55, Chongqing 401331, China
| | - Zhu Zeng
- School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China.
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7
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Metya S, Das A. S–H···O Hydrogen Bond Can Win over O–H···S Hydrogen Bond: Gas-Phase Spectroscopy of 2-Fluorothiophenol···H 2O Complex. J Phys Chem A 2022; 126:9178-9189. [DOI: 10.1021/acs.jpca.2c06083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Surajit Metya
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Aloke Das
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
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8
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Goldsztejn G, Mundlapati VR, Brenner V, Gloaguen E, Mons M. Selenium in Proteins: Conformational Changes Induced by Se Substitution on Methionine, as Studied in Isolated Model Peptides by Optical Spectroscopy and Quantum Chemistry. Molecules 2022; 27:molecules27103163. [PMID: 35630640 PMCID: PMC9144663 DOI: 10.3390/molecules27103163] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/09/2022] [Accepted: 05/11/2022] [Indexed: 02/01/2023] Open
Abstract
The side-chain of methionine residues is long enough to establish NH⋯S H-bonds with neighboring carbonyl groups of the backbone, giving rise to so-called intra-residue 6δ and inter-residue 7δ H-bonds. The aim of the present article is to document how the substitution of sulfur with a selenium atom affects the H-bonding of the Met system. This was investigated both experimentally and theoretically by conformation-resolved optical spectroscopy, following an isolated molecule approach. The present work emphasizes the similarities of the Met and Sem residues in terms of conformational structures, energetics, NH⋯Se/S H-bond strength and NH stretch spectral shifts, but also reveals subtle behavior differences between them. It provides evidence for the sensitivity of the H-bonding network with the folding type of the Sem/Met side-chains, where a simple flip of the terminal part of the side-chain can induce an extra 50 cm−1 spectral shift of the NH stretch engaged in a 7δ NH⋯S/Se bond.
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9
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Mamane V, Weiss R, Cornaton Y, Khartabil H, Groslambert L, Hénon E, Pale P, Djukic JP. Deciphering the Role of Noncovalent Interactions in the Conformations of Dibenzo‐1,5‐dichalcogenocines. Chempluschem 2022; 87:e202100518. [DOI: 10.1002/cplu.202100518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/03/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Victor Mamane
- University of Strasbourg: Universite de Strasbourg Institut of Chemistry 1 Rue Blaise Pascal 67008 Strasbourg FRANCE
| | - Robin Weiss
- Université de Strasbourg: Universite de Strasbourg Institut de Chimie de Strasbourg FRANCE
| | - Yann Cornaton
- Université de Strasbourg: Universite de Strasbourg Institut de Chimie de Strasbroug FRANCE
| | - Hassan Khartabil
- Université de Reims Champagne-Ardenne: Universite de Reims Champagne-Ardenne Institut de Chimie Moléculaire FRANCE
| | - Loïc Groslambert
- Universite de Strasbourg Institut de Chimie de Strasbourg FRANCE
| | - Eric Hénon
- Universite de Reims Champagne-Ardenne Institut de Chimie Moléculaire FRANCE
| | - Patrick Pale
- Universite de Strasbourg Institut de Cimie de Strasbourg FRANCE
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Cuc NTT, An NT, Ngan VT, Chandra AK, Trung NT. Importance of water and intramolecular interaction governs substantial blue shift of Csp2–H stretching frequency in complexes between chalcogenoaldehydes and water. RSC Adv 2022; 12:1998-2008. [PMID: 35425273 PMCID: PMC8979115 DOI: 10.1039/d1ra07444j] [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: 10/07/2021] [Accepted: 01/04/2022] [Indexed: 11/25/2022] Open
Abstract
Geometrical structure, stability and cooperativity, and contribution of hydrogen bonds to the stability of complexes between chalcogenoaldehydes and water were thoroughly investigated using quantum chemical methods. The stability of the complexes increases significantly when one or more H2O molecules are added to the binary system, whereas it decreases sharply going from O to S, Se, or Te substitution. The O–H⋯O H-bond is twice as stable as Csp2–H⋯O and O–H⋯S/Se/Te H-bonds. It is found that a considerable blue-shift of Csp2–H stretching frequency in the Csp2–H⋯O H-bond is mainly determined by an addition of water into the complexes along with the low polarity of the Csp2–H covalent bond in formaldehyde and acetaldehyde. The Csp2–H stretching frequency shift as a function of net second hyperconjugative energy for the σ*(Csp2–H) antibonding orbital is observed. Remarkably, a considerable Csp2–H blue shift of 109 cm−1 has been reported for the first time. Upon the addition of H2O into the binary systems, halogenated complexes witness a decreasing magnitude of the Csp2–H stretching frequency blue-shift in the Csp2–H⋯O H-bond, whereas CH3-substituted complexes experience the opposite trend. The considerable blue shift of Csp2–H stretching frequency.![]()
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Affiliation(s)
- Nguyen Thi Thanh Cuc
- Laboratory of Computational Chemistry and Modelling (LCCM), Department of Chemistry, Faculty of Natural Sciences, Quy Nhon University, Vietnam
| | - Nguyen Truong An
- Laboratory of Computational Chemistry and Modelling (LCCM), Department of Chemistry, Faculty of Natural Sciences, Quy Nhon University, Vietnam
| | - Vu Thi Ngan
- Laboratory of Computational Chemistry and Modelling (LCCM), Department of Chemistry, Faculty of Natural Sciences, Quy Nhon University, Vietnam
| | - Asit. K. Chandra
- Department of Chemistry, North-Eastern Hill University, Shillong 793022, Meghalaya, India
| | - Nguyen Tien Trung
- Laboratory of Computational Chemistry and Modelling (LCCM), Department of Chemistry, Faculty of Natural Sciences, Quy Nhon University, Vietnam
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11
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Cuc NTT, Phan CTD, Nhung NTA, Nguyen MT, Trung NT, Ngan VT. Theoretical Aspects of Nonconventional Hydrogen Bonds in the Complexes of Aldehydes and Hydrogen Chalcogenides. J Phys Chem A 2021; 125:10291-10302. [PMID: 34818019 DOI: 10.1021/acs.jpca.1c06708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Hydrogen bonds (H-bonds) in the complexes between aldehydes and hydrogen chalcogenides, XCHO...nH2Z with X = H, F, Cl, Br, and CH3, Z = O, S, Se, and Te, and n = 1,2, were investigated using high-level ab initio calculations. The Csp2-H...O H-bonds are found to be about twice as strong as the Csp2-H...S/Se/Te counterparts. Remarkably, the S/Se/Te-H...S/Se/Te H-bonds are 4.5 times as weak as the O-H...O ones. The addition of the second H2Z molecule into binary systems induces stronger complexes and causes a positive cooperative effect in ternary complexes. The blue shift of Csp2-H stretching frequency involving the Csp2-H...Z H-bond sharply increases when replacing one H atom in HCHO by a CH3 group. In contrast, when one H atom in HCHO is substituted with a halogen, the magnitude of blue-shifting of the Csp2-H...Z H-bond becomes smaller. The largest blue shift up to 92 cm-1 of Csp2-H stretching frequency in Csp2-H...O H-bond in CH3CHO...2H2O has rarely been observed and is much greater than that in the cases of the Csp2-H...S/Se/Te ones. The Csp2-H blue shift of Csp2-H...Z bonds in the halogenated aldehydes is converted into a red shift when H2O is replaced by a heavier analogue, such as H2S, H2Se, or H2Te. The stability and classification of nonconventional H-bonds including Csp2-H...Se/Te, Te-H...Te, and Se/Te-H...O have been established for the first time.
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Affiliation(s)
- Nguyen Thi Thanh Cuc
- Laboratory of Computational Chemistry and Modelling (LCCM), Faculty of Natural Sciences, Quy Nhon University, Quy Nhon 55100, Vietnam
| | - Cam-Tu Dang Phan
- Laboratory of Computational Chemistry and Modelling (LCCM), Faculty of Natural Sciences, Quy Nhon University, Quy Nhon 55100, Vietnam
| | - Nguyen Thi Ai Nhung
- Department of Chemistry, University of Sciences, Hue University, Hue 49000, Vietnam
| | | | - Nguyen Tien Trung
- Laboratory of Computational Chemistry and Modelling (LCCM), Faculty of Natural Sciences, Quy Nhon University, Quy Nhon 55100, Vietnam
| | - Vu Thi Ngan
- Laboratory of Computational Chemistry and Modelling (LCCM), Faculty of Natural Sciences, Quy Nhon University, Quy Nhon 55100, Vietnam
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12
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Hidayah Azeman N, Asif Ahmad Khushaini M, Daik R, Ismail AG, Yeop Majlis B, Mat Salleh M, Aziz THTA, Bakar AAA, Md Zain AR, Teh C. Synthesis of a 1,4‐Bis[2‐(5‐thiophen‐2‐yl)‐1‐benzothiophene]‐2,5‐dioctyloxybenzene Pentamer for Creatinine Detection. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100374] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Nur Hidayah Azeman
- Department of Electrical, Electronic and Systems Engineering Faculty of Engineering and Built Environment Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
| | | | - Rusli Daik
- Department of Chemical Sciences Faculty of Science and Technology Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
| | - Ahmad Ghadafi Ismail
- Institute of Microengineering and Nanoelectronics Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
| | - Burhanuddin Yeop Majlis
- Institute of Microengineering and Nanoelectronics Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
| | - Muhammad Mat Salleh
- Institute of Microengineering and Nanoelectronics Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
| | - Tg Hasnan Tg Abdul Aziz
- Institute of Microengineering and Nanoelectronics Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
| | - Ahmad Ashrif A Bakar
- Department of Electrical, Electronic and Systems Engineering Faculty of Engineering and Built Environment Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
| | - Ahmad Rifqi Md Zain
- Institute of Microengineering and Nanoelectronics Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
| | - Chin‐Hoong Teh
- ASASIpintar Program Pusat GENIUS@Pintar Negara Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
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Mishra KK, Borish K, Singh G, Panwaria P, Metya S, Madhusudhan MS, Das A. Observation of an Unusually Large IR Red-Shift in an Unconventional S-H···S Hydrogen-Bond. J Phys Chem Lett 2021; 12:1228-1235. [PMID: 33492971 DOI: 10.1021/acs.jpclett.0c03183] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The S-H···S non-covalent interaction is generally known as an extremely unconventional weak hydrogen-bond in the literature. The present gas-phase spectroscopic investigation shows that the S-H···S hydrogen-bond can be as strong as any conventional hydrogen-bond in terms of the IR red-shift in the stretching frequency of the hydrogen-bond donor group. Herein, the strength of the S-H···S hydrogen-bond has been determined by measuring the red-shift (∼150 cm-1) of the S-H stretching frequency in a model complex of 2-chlorothiophenol and dimethyl sulfide using isolated gas-phase IR spectroscopy coupled with quantum chemistry calculations. The observation of an unusually large IR red-shift in the S-H···S hydrogen-bond is explained in terms of the presence of a significant amount of charge-transfer interactions in addition to the usual electrostatic interactions. The existence of ∼750 S-H···S interactions between the cysteine and methionine residues in 642 protein structures determined from an extensive Protein Data Bank analysis also indicates that this interaction is important for the structures of proteins.
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Affiliation(s)
- Kamal K Mishra
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune-411008, India
| | - Kshetrimayum Borish
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune-411008, India
| | - Gulzar Singh
- Department of Biology, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune-411008, India
| | - Prakash Panwaria
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune-411008, India
| | - Surajit Metya
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune-411008, India
| | - M S Madhusudhan
- Department of Biology, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune-411008, India
| | - Aloke Das
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune-411008, India
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Goldsztejn G, Mundlapati VR, Donon J, Tardivel B, Gloaguen E, Brenner V, Mons M. An intraresidue H-bonding motif in selenocysteine and cysteine, revealed by gas phase laser spectroscopy and quantum chemistry calculations. Phys Chem Chem Phys 2021; 22:20409-20420. [PMID: 32914809 DOI: 10.1039/d0cp02825h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Models of protein chains containing a seleno-cysteine (Sec) residue have been investigated by gas phase laser spectroscopy in order to document the effect of the H-bonding properties of the SeH group in the folding of the Sec side chain, by comparison with recent data on Ser- and Cys-containing sequences. Experimental data, complemented by quantum chemistry calculations and natural bonding orbital (NBO) analyses, are interpreted in terms of the formation of a so-called 5γ intra-residue motif, which bridges the acceptor chalcogen atom of the side chain to the NH bond of the same residue. This local structure, in which the O/S/Se atom is close to the plane of the N-terminal side amide, is constrained by local backbone-side chain hyperconjugation effects involving the S and Se atoms. Theoretical investigations of the Cys/Sec side chain show that (i) this 5γ motif is an intrinsic feature of these residues, (ii) the corresponding H-bond is strongly non-linear and intrinsically weak, (iii) but enhanced by γ- and β-turn secondary structures, which promote a more favorable 5γ H-bonding approach and distance. The resulting H-bonds are slightly stronger in selenocysteine than in cysteine, but nearly inexistent in serine, whose side chain in contrast behaves as a H-bonding donor. The modest spectral shifts of the Cys/Sec NH stretches measured experimentally reflect the moderate strength of the 5γ H-bonding, in agreement with the correlation obtained with a NBO-based H-bond strength indicator. The evolution along the Ser, Cys and Sec series emphasizes the compromise between the several factors that control the H-bonding in a hyperconjugation-constrained geometry, among them the chalcogen van der Waals and covalent radii. It also illustrates the 5γ H-bond enhancements with the Sec and Cys residues favoured by the constraints imposed by the γ- and β-turn structures of the peptide chain.
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Affiliation(s)
- Gildas Goldsztejn
- Laboratoire Interactions Dynamiques et Lasers (LIDYL), Université Paris-Saclay, Paris, France.
| | | | - Jérémy Donon
- Laboratoire Interactions Dynamiques et Lasers (LIDYL), Université Paris-Saclay, Paris, France.
| | - Benjamin Tardivel
- Laboratoire Interactions Dynamiques et Lasers (LIDYL), Université Paris-Saclay, Paris, France.
| | - Eric Gloaguen
- Laboratoire Interactions Dynamiques et Lasers (LIDYL), Université Paris-Saclay, Paris, France.
| | - Valérie Brenner
- Laboratoire Interactions Dynamiques et Lasers (LIDYL), Université Paris-Saclay, Paris, France.
| | - Michel Mons
- Laboratoire Interactions Dynamiques et Lasers (LIDYL), Université Paris-Saclay, Paris, France.
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15
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Scheiner S. Comparison of Bifurcated Halogen with Hydrogen Bonds. Molecules 2021; 26:molecules26020350. [PMID: 33445461 PMCID: PMC7827642 DOI: 10.3390/molecules26020350] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/08/2021] [Accepted: 01/09/2021] [Indexed: 01/30/2023] Open
Abstract
Bifurcated halogen bonds are constructed with FBr and FI as Lewis acids, paired with NH3 and NCH bases. The first type considered places two bases together with a single acid, while the reverse case of two acids sharing a single base constitutes the second type. These bifurcated systems are compared with the analogous H-bonds wherein FH serves as the acid. In most cases, a bifurcated system is energetically inferior to a single linear bond. There is a larger energetic cost to forcing the single σ-hole of an acid to interact with a pair of bases, than the other way around where two acids engage with the lone pair of a single base. In comparison to FBr and FI, the H-bonding FH acid is better able to participate in a bifurcated sharing with two bases. This behavior is traced to the properties of the monomers, in particular the specific shape of the molecular electrostatic potential, the anisotropy of the orbitals of the acid and base that interact directly with one another, and the angular extent of the total electron density of the two molecules.
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Affiliation(s)
- Steve Scheiner
- Department of Chemistry and Biochemistry, Utah State University, Logan, UT 84322-0300, USA
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16
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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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17
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Ghosh M, Panwaria P, Tothadi S, Das A, Khan S. Bis(silanetellurone) with C-H···Te Interaction. Inorg Chem 2020; 59:17811-17821. [PMID: 33215925 DOI: 10.1021/acs.inorgchem.0c03098] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Herein, we report the synthesis of a series of bis(silanechalcogenones) [Ch = Te (2), S (3), or Se (4)] using an N-heterocyclic silylene-based SiCSi pincer ligand (1). 2 is the first example of a bis(silanetellurone) derivative. The bonding patterns of 2-4 were extensively studied by natural bond orbital, quantum theory of atoms in molecules, and noncovalent interaction index analyses, and these exhibit weak C-H···Ch interaction. The analogous reaction of 1 with trimethyl N-oxide produced a novel bis(cyclosiloxane) derivative (5). All of the complexes are duly characterized by single-crystal X-ray diffraction studies, multinuclear nuclear magnetic resonance (1H, 13C, and 29Si) spectroscopy, and high-resolution mass spectrometry.
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Affiliation(s)
- Moushakhi Ghosh
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Prakash Panwaria
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Srinu Tothadi
- Organic Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Aloke Das
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Shabana Khan
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
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18
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Dutta J, Sahoo DK, Jena S, Tulsiyan KD, Biswal HS. Non-covalent interactions with inverted carbon: a carbo-hydrogen bond or a new type of hydrogen bond? Phys Chem Chem Phys 2020; 22:8988-8997. [DOI: 10.1039/d0cp00330a] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Crystal structure analysis and quantum chemical calculations enabled us to discover a new non-covalent interaction, coined as carbo-hydrogen bond (CH-bond).
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Affiliation(s)
- Juhi Dutta
- National Institute of Science Education and Research (NISER) PO-Bhimpur-Padanpur
- Bhubaneswar
- India
- Homi Bhaba National Institute
- Training School Complex Anushakti Nagar
| | - Dipak Kumar Sahoo
- National Institute of Science Education and Research (NISER) PO-Bhimpur-Padanpur
- Bhubaneswar
- India
- Homi Bhaba National Institute
- Training School Complex Anushakti Nagar
| | - Subhrakant Jena
- National Institute of Science Education and Research (NISER) PO-Bhimpur-Padanpur
- Bhubaneswar
- India
- Homi Bhaba National Institute
- Training School Complex Anushakti Nagar
| | - Kiran Devi Tulsiyan
- National Institute of Science Education and Research (NISER) PO-Bhimpur-Padanpur
- Bhubaneswar
- India
- Homi Bhaba National Institute
- Training School Complex Anushakti Nagar
| | - Himansu S. Biswal
- National Institute of Science Education and Research (NISER) PO-Bhimpur-Padanpur
- Bhubaneswar
- India
- Homi Bhaba National Institute
- Training School Complex Anushakti Nagar
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