1
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Gishan M, Middya P, Drew MGB, Frontera A, Chattopadhyay S. Synthesis, structural characterization, and theoretical analysis of novel zinc(ii) schiff base complexes with halogen and hydrogen bonding interactions. RSC Adv 2024; 14:30896-30911. [PMID: 39346528 PMCID: PMC11430572 DOI: 10.1039/d4ra06217e] [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: 08/28/2024] [Accepted: 09/09/2024] [Indexed: 10/01/2024] Open
Abstract
In this article, we present the synthesis and characterization of three zinc(ii) complexes, [ZnII(HL1)2] (1), [ZnII(HL2)2]·2H2O (2) and [ZnII(HL3)2] (3), with three tridentate Schiff base ligands, H2L1, H2L2, and H2L3. The structures of the complexes were confirmed by single-crystal X-ray diffraction analysis. DFT calculations were performed to gain insights into the self-assembly of the complexes in their solid-state structures. Complex 1 exhibits dual halogen-bonding interactions (Br⋯Br and Br⋯O) in its solid-state structure, which have been thoroughly investigated through molecular electrostatic potential (MEP) surface calculations, alongside QTAIM and NCIPlot analyses. Furthermore, complex 2 features a fascinating hydrogen-bonding network involving lattice water molecules, which serves to link the [ZnII(HL2)2] units into a one-dimensional supramolecular polymer. This network has been meticulously examined using QTAIM and NCIplot analyses, allowing for an estimation of the hydrogen bond strengths. The significance of H-bonds and CH⋯π interactions in complex 3 was investigated, as these interactions are crucial for the formation of infinite 1D chains in the solid state.
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Affiliation(s)
- Md Gishan
- Department of Chemistry, Jadavpur University Kolkata 700032 India
| | - Puspendu Middya
- Department of Chemistry, Jadavpur University Kolkata 700032 India
| | - Michael G B Drew
- School of Chemistry, The University of Reading P.O. Box 224, Whiteknights Reading RG6 6AD UK
| | - Antonio Frontera
- Department of Chemistry, Universitat de les Illes Balears Crta de Valldemossa km 7.5 07122 Palma de Mallorca Baleares Spain
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2
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Ibrahim MAA, Abd Elhafez HSM, Shehata MNI, Moussa NAM, Sayed SRM, Soliman MES, Ahmed MN, El-Rahman MK, Shoeib T. Unconventional Radical and Radical-Hole Site-Based Interactions in Halogen-Bearing Dimers and Trimers: A Comparative Study. ACS OMEGA 2024; 9:38743-38752. [PMID: 39310195 PMCID: PMC11411553 DOI: 10.1021/acsomega.4c04620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 06/21/2024] [Accepted: 07/31/2024] [Indexed: 09/25/2024]
Abstract
Radical (R•) and R•-hole site-based interactions are comparatively studied, for the first time, using ab initio methods. In this regard, R•-bearing molecules •XO3 (where X = Cl, Br, and I) were subjected to direct interaction with NH3 within dimeric and trimeric forms in the form of NH3···•XO3/•XO3···NH3 and NH3···•XO3···NH3 complexes, respectively. As confirmed by electrostatic potential analysis, the studied R•-bearing molecules •XO3 had the outstanding potentiality to interact as Lewis acid centers via two positive sites dubbed as R• and R•-hole sites. Such an observation proposed the potentiality of the considered •XO3 molecules to engage in unconventional R• and well-established R•-hole site-based interactions with Lewis bases. This was confirmed by negative interaction (E int) energies, ranging from -4.93 to -19.89 kcal/mol, with higher favorability for R• site-based interactions over the R•-hole site-based ones. MP2 energetic features furnished higher preferability for the R• site-based interactions than the R•-hole site-based ones in the case of chlorine- and bromine-bearing complexes, and the reverse was true for the iodine-bearing complexes. Moreover, elevated E int values were recorded for the NH3···•XO3···NH3 trimers over the NH3···•XO3 and •XO3···NH3 dimers, outlining the higher preference of the •XO3 molecules to engage in R• and R•-hole site-based interactions in the trimeric form over the dimeric one. These results might be considered a requisite linchpin for numerous forthcoming supramolecular chemistry and crystal engineering studies.
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Affiliation(s)
- Mahmoud A. A. Ibrahim
- Computational
Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia 61519, Egypt
- School
of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4000, South Africa
| | - Heba S. M. Abd Elhafez
- Computational
Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia 61519, Egypt
| | - Mohammed N. I. Shehata
- Computational
Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia 61519, Egypt
| | - Nayra A. M. Moussa
- Computational
Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia 61519, Egypt
- Basic
and Clinical Medical Science Department, Faculty of Dentistry, Deraya University, New Minya 61768, Egypt
| | - Shaban R. M. Sayed
- Department
of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Mahmoud E. S. Soliman
- Molecular
Bio-Computation and Drug Design Research Laboratory, School of Health
Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4000, South Africa
| | - Muhammad Naeem Ahmed
- Department
of Chemistry, The University of Azad Jammu
and Kashmir, Muzaffarabad 13100, Pakistan
| | - Mohamed Khaled
Abd El-Rahman
- Department
of Chemistry and Chemical Biology, Harvard
University, 12 Oxford
Street, Cambridge, Massachusetts 02138, United States
| | - Tamer Shoeib
- Department
of Chemistry, The American University in
Cairo, New Cairo 11835, Egypt
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3
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Lei F, Liu Q, Zhong Y, Cui X, Yu J, Hu Z, Feng G, Zeng Z, Lu T. Computational Insight into the Nature and Strength of the π-Hole Type Chalcogen∙∙∙Chalcogen Interactions in the XO 2∙∙∙CH 3YCH 3 Complexes (X = S, Se, Te; Y = O, S, Se, Te). Int J Mol Sci 2023; 24:16193. [PMID: 38003384 PMCID: PMC10671658 DOI: 10.3390/ijms242216193] [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: 10/16/2023] [Revised: 11/03/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
In recent years, the non-covalent interactions between chalcogen centers have aroused substantial research interest because of their potential applications in organocatalysis, materials science, drug design, biological systems, crystal engineering, and molecular recognition. However, studies on π-hole-type chalcogen∙∙∙chalcogen interactions are scarcely reported in the literature. Herein, the π-hole-type intermolecular chalcogen∙∙∙chalcogen interactions in the model complexes formed between XO2 (X = S, Se, Te) and CH3YCH3 (Y = O, S, Se, Te) were systematically studied by using quantum chemical computations. The model complexes are stabilized via one primary X∙∙∙Y chalcogen bond (ChB) and the secondary C-H∙∙∙O hydrogen bonds. The binding energies of the studied complexes are in the range of -21.6~-60.4 kJ/mol. The X∙∙∙Y distances are significantly smaller than the sum of the van der Waals radii of the corresponding two atoms. The X∙∙∙Y ChBs in all the studied complexes except for the SO2∙∙∙CH3OCH3 complex are strong in strength and display a partial covalent character revealed by conducting the quantum theory of atoms in molecules (QTAIM), a non-covalent interaction plot (NCIplot), and natural bond orbital (NBO) analyses. The symmetry-adapted perturbation theory (SAPT) analysis discloses that the X∙∙∙Y ChBs are primarily dominated by the electrostatic component.
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Affiliation(s)
- Fengying Lei
- School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China; (F.L.); (Q.L.); (Y.Z.); (X.C.); (J.Y.); (Z.H.)
| | - Qingyu Liu
- School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China; (F.L.); (Q.L.); (Y.Z.); (X.C.); (J.Y.); (Z.H.)
| | - Yeshuang Zhong
- School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China; (F.L.); (Q.L.); (Y.Z.); (X.C.); (J.Y.); (Z.H.)
| | - Xinai Cui
- School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China; (F.L.); (Q.L.); (Y.Z.); (X.C.); (J.Y.); (Z.H.)
| | - Jie Yu
- School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China; (F.L.); (Q.L.); (Y.Z.); (X.C.); (J.Y.); (Z.H.)
| | - Zuquan Hu
- School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China; (F.L.); (Q.L.); (Y.Z.); (X.C.); (J.Y.); (Z.H.)
| | - Gang Feng
- School of Chemistry and Chemical Engineering, Chongqing University, Daxuecheng South Rd. 55, Chongqing 401331, China;
| | - Zhu Zeng
- School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China; (F.L.); (Q.L.); (Y.Z.); (X.C.); (J.Y.); (Z.H.)
| | - Tao Lu
- School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, China; (F.L.); (Q.L.); (Y.Z.); (X.C.); (J.Y.); (Z.H.)
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4
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Zierkiewicz W, Kizior B, Michalczyk M, Jezierska A, Scheiner S. Pd and Pt metal atoms as electron donors in σ-hole bonded complexes. Phys Chem Chem Phys 2023; 25:26172-26184. [PMID: 37740339 DOI: 10.1039/d3cp03171c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/24/2023]
Abstract
Quantum calculations provide a systematic assessment of the ability of Group 10 transition metals M = Pd and Pt to act as an electron donor within the context of pnicogen, chalcogen, and halogen bonds. These M atoms are coordinated in a square planar geometry, attached to two N atoms of a modified phenanthrene unit, as well as two ligand atoms Cl, Br, or I. As the Lewis acid, a series of AFn molecules were chosen, which could form a pnicogen bond (A = P, As, Sb), chalcogen bond (A = S, Se, Te) or halogen bond (A = Cl, Br, I) with M. These noncovalent bonds are fairly strong, varying between 6 and 20 kcal mol-1, with the occupied dz2 orbital of M acting as the origin of charge transferred to the acid. Pt forms somewhat stronger bonds than Pd, and the bond strength rises with the size of the A atom of the acid. Within the context of smaller A atoms, the bond strength rises in the order pnicogen < chalcogen < halogen, but this distinction vanishes for the fifth-row A atoms. The nature of the ligand atoms on M has little bearing on the bond strength. Based on the Harmonic Oscillator Model of Aromaticity (HOMA) index, the ZB, YB and XB bonds were shown to have only a subtle effect on the ring electronic structures.
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Affiliation(s)
- Wiktor Zierkiewicz
- Wrocław University of Science and Technology, Faculty of Chemistry, Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland.
| | - Beata Kizior
- Wrocław University of Science and Technology, Faculty of Chemistry, Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland.
| | - Mariusz Michalczyk
- Wrocław University of Science and Technology, Faculty of Chemistry, Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland.
| | - Aneta Jezierska
- University of Wroclaw, Faculty of Chemistry, ul. F. Joliot-Curie 14, 50-383 Wroclaw, Poland
| | - Steve Scheiner
- Utah State University Logan, Department of Chemistry and Biochemistry, Utah 84322-0300, USA.
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Gao M, Zhao Q, Yu H, Fu M, Li Q. Insight into Spodium–π Bonding Characteristics of the MX2···π (M = Zn, Cd and Hg; X = Cl, Br and I) Complexes—A Theoretical Study. Molecules 2022; 27:molecules27092885. [PMID: 35566234 PMCID: PMC9101229 DOI: 10.3390/molecules27092885] [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: 03/23/2022] [Revised: 04/28/2022] [Accepted: 04/29/2022] [Indexed: 01/25/2023] Open
Abstract
The spodium–π bonding between MX2 (M = Zn, Cd, and Hg; X = Cl, Br, and I) acting as a Lewis acid, and C2H2/C2H4 acting as a Lewis base was studied by ab initio calculations. Two types of structures of cross (T) and parallel (P) forms are obtained. For the T form, the X–M–X axis adopts a cross configuration with the molecular axis of C≡C or C=C, but both of them are parallel in the P form. NCI, AIM, and electron density shifts analyses further, indicating that the spodium–π bonding exists in the binary complexes. Spodium–π bonding exhibits a partially covalent nature characterized with a negative energy density and large interaction energy. With the increase of electronegativity of the substituents on the Lewis acid or its decrease in the Lewis base, the interaction energies increase and vice versa. The spodium–π interaction is dominated by electrostatic interaction in most complexes, whereas dispersion and electrostatic energies are responsible for the stability of the MX2⋯C2F2 complexes. The spodium–π bonding further complements the concept of the spodium bond and provides a wider range of research on the adjustment of the strength of spodium bond.
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Affiliation(s)
- Meng Gao
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Q.Z.); (H.Y.); (M.F.)
- Correspondence: (M.G.); (Q.L.)
| | - Qibo Zhao
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Q.Z.); (H.Y.); (M.F.)
| | - Hao Yu
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Q.Z.); (H.Y.); (M.F.)
| | - Min Fu
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Q.Z.); (H.Y.); (M.F.)
| | - Qingzhong Li
- The Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
- Correspondence: (M.G.); (Q.L.)
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6
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Spodium bonds and metal–halogen···halogen–metal interactions in propagation of monomeric units to dimeric or polymeric architectures. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132144] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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7
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Banerjee A, Chowdhury D, Gomila RM, Chattopadhyay S. Recent advances on the tetrel bonding interaction in the solid state structure of lead complexes with hydrazine based bis-pyridine Schiff base ligands. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115670] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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8
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Ibrahim MAA, Mohamed YAM, Abd Elhafez HSM, Shehata MNI, Soliman MES, Ahmed MN, Abd El-Mageed HR, Moussa NAM. R •-hole interactions of group IV-VII radical-containing molecules: A comparative study. J Mol Graph Model 2021; 111:108097. [PMID: 34890896 DOI: 10.1016/j.jmgm.2021.108097] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 11/10/2021] [Accepted: 11/26/2021] [Indexed: 11/30/2022]
Abstract
For the first time, the potentiality of the sp2-hybridized group IV-VII radical (R•)-containing molecules to participate in R•-hole interactions was comparatively assessed using •SiF3,•POF2, •SO2F, and •ClO3 models in the trigonal pyramidal geometry. In that spirit, a plethora of quantum mechanical calculations was performed at the MP2/aug-cc-pVTZ level of theory. According to the results, all the investigated R•-containing molecules exhibited potent versatility to engage in R•-hole … Lewis base interactions with significant negative binding energies for the NCH-based complexes. The strength of R•-hole interactions was perceived to obey the •ClO3 … > •SO2F … > •POF2 … > •SiF3 … Lewis base order, outlining an inverse correlation between the binding energy and the atomic size of the R•-hole donor. Benchmarking of the binding energy at the CCSD/CBS(T) computational level was executed for all the explored interactions and addressed an obvious similarity between the MP2 and CCSD energetic findings. QTAIM analysis critically unveiled the closed-shell nature of the explored R•-hole interactions. SAPT-EDA proclaimed the reciprocal contributions of electrostatic and dispersion forces to the total binding energy. These observations demonstrate in better detail the nature of R•-hole interactions, leading to a convincing amelioration for versatile fields relevant to materials science and drug design.
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Affiliation(s)
- Mahmoud A A Ibrahim
- Computational Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia, 61519, Egypt.
| | - Yasmeen A M Mohamed
- Computational Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia, 61519, Egypt
| | - Heba S M Abd Elhafez
- Computational Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia, 61519, Egypt
| | - Mohammed N I Shehata
- Computational Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia, 61519, Egypt
| | - Mahmoud E S Soliman
- Molecular Bio-computation and Drug Design Lab, School of Health Sciences, University of KwaZulu-Natal, Westville, Durban, 4000, South Africa
| | - Muhammad Naeem Ahmed
- Department of Chemistry, The University of Azad Jammu and Kashmir, Muzaffarabad, 13100, Pakistan
| | - H R Abd El-Mageed
- Micro-Analysis, Environmental Research nd Community Affairs Center (MAESC), Faculty of Science, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Nayra A M Moussa
- Computational Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia, 61519, Egypt
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9
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Zierkiewicz W, Michalczyk M, Scheiner S. Noncovalent Bonds through Sigma and Pi-Hole Located on the Same Molecule. Guiding Principles and Comparisons. Molecules 2021; 26:1740. [PMID: 33804617 PMCID: PMC8003638 DOI: 10.3390/molecules26061740] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/16/2021] [Accepted: 03/17/2021] [Indexed: 01/21/2023] Open
Abstract
Over the last years, scientific interest in noncovalent interactions based on the presence of electron-depleted regions called σ-holes or π-holes has markedly accelerated. Their high directionality and strength, comparable to hydrogen bonds, has been documented in many fields of modern chemistry. The current review gathers and digests recent results concerning these bonds, with a focus on those systems where both σ and π-holes are present on the same molecule. The underlying principles guiding the bonding in both sorts of interactions are discussed, and the trends that emerge from recent work offer a guide as to how one might design systems that allow multiple noncovalent bonds to occur simultaneously, or that prefer one bond type over another.
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Affiliation(s)
- Wiktor Zierkiewicz
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
| | - Mariusz Michalczyk
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
| | - Steve Scheiner
- Department of Chemistry and Biochemistry, Utah State University Logan, Logan, UT 84322-0300, USA;
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Zhang Y, Wang W. The σ-hole⋯σ-hole stacking interaction: An unrecognized type of noncovalent interaction. J Chem Phys 2020; 153:214302. [PMID: 33291911 DOI: 10.1063/5.0033470] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The σ-hole⋯σ-hole stacking interaction, an unrecognized type of noncovalent interaction, has been found to be present in large quantities in the Cambridge Structural Database. In the σ-hole⋯σ-hole stacking interaction, each of the two interacting σ-holes has the dual electron donor/electron acceptor character; when one σ-hole acts as an electron donor, the other σ-hole acts as an electron acceptor, and vice versa. The σ-hole⋯σ-hole stacking interaction is clearly different from the σ-hole bond in which the charge transfer occurs mainly from the electron donor to the σ-hole. Energy component analysis shows that the σ-hole⋯σ-hole stacking interaction is dominated by the dispersion energy, which is similar to the nature of the aromatic stacking interaction between unsaturated molecules or the σ⋯σ stacking interaction between saturated molecules.
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Affiliation(s)
- Yu Zhang
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, China
| | - Weizhou Wang
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, China
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