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External Electric Field Effect on the Strength of σ-Hole Interactions: A Theoretical Perspective in Like⋯Like Carbon-Containing Complexes. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27092963. [PMID: 35566307 PMCID: PMC9104924 DOI: 10.3390/molecules27092963] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 11/17/2022]
Abstract
For the first time, σ-hole interactions within like⋯like carbon-containing complexes were investigated, in both the absence and presence of the external electric field (EEF). The effects of the directionality and strength of the utilized EEF were thoroughly unveiled in the (F-C-F3)2, (F-C-H3)2, and (H-C-F3)2 complexes. In the absence of the EEF, favorable interaction energies, with negative values, are denoted for the (F-C-F3)2 and (H-C-F3)2 complexes, whereas the (F-C-H3)2 complex exhibits unfavorable interactions. Remarkably, the strength of the applied EEF exhibits a prominent role in turning the repulsive forces within the latter complex into attractive ones. The symmetrical nature of the considered like⋯like carbon-containing complexes eradicated the effect of directionality of the EEF. The quantum theory of atoms in molecules (QTAIM), and the noncovalent interaction (NCI) index, ensured the occurrence of the attractive forces, and also outlined the substantial contributions of the three coplanar atoms to the total strength of the studied complexes. Symmetry-adapted perturbation theory (SAPT) results show the dispersion-driven nature of the interactions.
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Ren B, Shi Y, Lu Y, Xu Z, Liu H. Double pentavalent pnictogen-bonding interactions in the homodimers of pnictogenoxide species: CSD search and theoretical study. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113636] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Abstract
In this review, we provide a consistent description of noncovalent interactions, covering most groups of the Periodic Table. Different types of bonds are discussed using their trivial names. Moreover, the new name “Spodium bonds” is proposed for group 12 since noncovalent interactions involving this group of elements as electron acceptors have not yet been named. Excluding hydrogen bonds, the following noncovalent interactions will be discussed: alkali, alkaline earth, regium, spodium, triel, tetrel, pnictogen, chalcogen, halogen, and aerogen, which almost covers the Periodic Table entirely. Other interactions, such as orthogonal interactions and π-π stacking, will also be considered. Research and applications of σ-hole and π-hole interactions involving the p-block element is growing exponentially. The important applications include supramolecular chemistry, crystal engineering, catalysis, enzymatic chemistry molecular machines, membrane ion transport, etc. Despite the fact that this review is not intended to be comprehensive, a number of representative works for each type of interaction is provided. The possibility of modeling the dissociation energies of the complexes using different models (HSAB, ECW, Alkorta-Legon) was analyzed. Finally, the extension of Cahn-Ingold-Prelog priority rules to noncovalent is proposed.
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On the ability of pnicogen atoms to engage in both σ and π-hole complexes. Heterodimers of ZF 2C 6H 5 (Z = P, As, Sb, Bi) and NH 3. J Mol Model 2019; 25:152. [PMID: 31069527 DOI: 10.1007/s00894-019-4031-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 04/07/2019] [Indexed: 01/11/2023]
Abstract
When bound to a pair of F atoms and a phenyl ring, a pyramidal pnicogen (Z) atom can form a pnicogen bond wherein an NH3 base lies opposite one F atom. In addition to this σ-hole complex, the ZF2C6H5 molecule can distort in such a way that the NH3 approaches on the opposite side to the lone pair on Z, where there is a so-called π-hole. The interaction energies of these π-hole dimers are roughly 30 kcal/mol, much larger than the equivalent quantities for the σ-hole complexes, which are only 4-13 kcal/mol. On the other hand, this large interaction energy is countered by the considerable deformation energy required for the Lewis acid to adopt the geometry necessary to form the π-hole complex. The overall energetics of the complexation reaction are thus more exothermic for the σ-hole dimers than for the π-hole dimers.
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Ghafari Nikoo Jooneghani S, Gholipour A. Mutual cooperation of π-π stacking and pnicogen bond interactions of substituted monomeric Lawesson’s reagent and pyridine rings: Theoretical insight into Pyr||X-PhPS2⊥pyr complexes. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2019.02.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Yan N, Huo S, Li X, Zeng Y, Meng L. The chalcogen bond in F 2P(S)N⋅⋅⋅SX 2, F 2PNS⋅⋅⋅SX 2, F 2PSN⋅⋅⋅SX 2 (X = F, Cl, Br, OH, CH 3, NH 2) complexes. J Mol Model 2019; 25:19. [PMID: 30610397 DOI: 10.1007/s00894-018-3895-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 12/04/2018] [Indexed: 11/25/2022]
Abstract
As a kind of intermolecular noncovalent interaction, chalcogen bonding plays a critical role in the fields of chemistry and biology. In this paper, S⋅⋅⋅S chalcogen bonds in three groups of complexes, F2P(S)N⋅⋅⋅SX2, F2PNS⋅⋅⋅SX2, and F2PSN⋅⋅⋅SX2 (X = F, Cl, Br, OH, CH3, NH2), were investigated at the MP2/aug-cc-pVTZ level of theory. The calculated results show that the formation of S⋅⋅⋅S chalcogen bond is in the manner of attraction between the positive molecular electrostatic potential (VS,max) of chalcogen bond donator and the negative VS,min of chalcogen bond acceptor. It is found that a good correlation exists between the S⋅⋅⋅S bond length and the interaction energy. The energy decomposition indicates the electrostatic energy and polarization energy are closely correlated with the total interaction energy. NBO analysis reveals that the charge transfer is rather closely correlated with the polarization, and the charge transfer has a similar behavior as the polarization in the formation of complex. Our results provide a new example for interpreting the noncovalent interaction based on the σ-hole concept. Graphical abstract The chalcogen bonds in the studied binary complexes are Coulombic in nature, and the charge transfer has a similar behavior as the polarization in the formation of the complex.
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Affiliation(s)
- Nan Yan
- College of Chemistry and Material Science, Hebei Normal University, Road East of 2nd Ring South, Shijiazhuang, 050024, China
| | - Suhong Huo
- College of Chemistry and Material Science, Hebei Normal University, Road East of 2nd Ring South, Shijiazhuang, 050024, China
| | - Xiaoyan Li
- College of Chemistry and Material Science, Hebei Normal University, Road East of 2nd Ring South, Shijiazhuang, 050024, China.,Key Laboratory of Inorganic Nano-materials of Hebei Province, Shijiazhuang, 050024, China
| | - Yanli Zeng
- College of Chemistry and Material Science, Hebei Normal University, Road East of 2nd Ring South, Shijiazhuang, 050024, China.,Key Laboratory of Inorganic Nano-materials of Hebei Province, Shijiazhuang, 050024, China
| | - Lingpeng Meng
- College of Chemistry and Material Science, Hebei Normal University, Road East of 2nd Ring South, Shijiazhuang, 050024, China. .,Key Laboratory of Inorganic Nano-materials of Hebei Province, Shijiazhuang, 050024, China.
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7
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Dependence of NMR chemical shifts upon CH bond lengths of a methyl group involved in a tetrel bond. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2018.10.069] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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8
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Esrafili MD, Mousavian P, Mohammadian-Sabet F. Tuning of pnicogen and chalcogen bonds by an aerogen-bonding interaction: a comparative ab initio study. Mol Phys 2018. [DOI: 10.1080/00268976.2018.1492746] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Mehdi D. Esrafili
- Laboratory of Theoretical Chemistry, Department of Chemistry, University of Maragheh, Maragheh, Iran
| | - Parisasadat Mousavian
- Laboratory of Theoretical Chemistry, Department of Chemistry, University of Maragheh, Maragheh, Iran
| | - Fariba Mohammadian-Sabet
- Laboratory of Theoretical Chemistry, Department of Chemistry, University of Maragheh, Maragheh, Iran
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Yaghoobi F, Sohrabi Mahboub M. Theoretical Study on the Aza-Diels-Alder Reaction Catalyzed by PHCl 2 Lewis Acid via Pnicogen Bonding. J Phys Chem A 2018; 122:2781-2791. [PMID: 29489368 DOI: 10.1021/acs.jpca.7b12400] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The reaction mechanism of the Aza-Diels-Alder (A-D-A) cycloaddition reaction between X2C═NNH2, where X = H, F, Cl, Br, and 1,3-butadiene catalyzed by a PHCl2 Lewis acid was characterized using density functional theory calculations. The influences of various substituents of X on the studied reaction were analyzed using the activation strain model (ASM), which is also termed as the distortion-interaction model. Calculations showed that the smallest and largest values of the activation energies belong to the substituents of F and Br, respectively. The activation energy of the studied reactions was decreased within 8.6 kcal·mol-1 in the presence of PHCl2 catalyst. Investigations showed that the pnicogen bonding is adequately capable of activating the A-D-A reaction. The quantum theory of atoms in molecules (QTAIM) and natural bond orbital (NBO) analysis were implemented to understand the nature of C4,Cbut···CXIm and C1,Cbut···NXIm bonds at the TS structures. Additionally, the energy decomposition analysis (EDA) based on the ETS-NOCV scheme was used to characterize the nature of C4,Cbut···CXIm and C1,Cbut···NXIm bond. The results of the study mirror the fact that the PHCl2 Lewis acid may be suggested as a simple suitable catalyst for experimental studies on the A-D-A reactions.
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Affiliation(s)
- Fereshteh Yaghoobi
- School of Chemistry, Department of Science , University of Nahavand , P.O. Box 65931-39565, Hamadan , Iran
| | - Mahdi Sohrabi Mahboub
- School of Chemistry, Department of Science , University of Nahavand , P.O. Box 65931-39565, Hamadan , Iran.,Department of Chemistry , Isfahan University of Technology , P.O. Box 84156-83111, Isfahan , Iran
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Sruthi PK, Ramanathan N, Sarkar S, Sundararajan K. Pentavalent phosphorus as a unique phosphorus donor in POCl3 homodimer and POCl3–H2O heterodimer: matrix isolation infrared spectroscopic and computational studies. Phys Chem Chem Phys 2018; 20:22058-22075. [DOI: 10.1039/c8cp03937b] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Phosphorus, an important element among the pnicogen group, opens up avenues for experimental and computational explorations of its interaction in a variety of compounds.
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Affiliation(s)
- P. K. Sruthi
- Materials Chemistry & Metal Fuel Cycle Group
- Homi Bhabha National Institute, Indira Gandhi Centre for Atomic Research
- Kalpakkam 603 102
- India
| | - N. Ramanathan
- Materials Chemistry & Metal Fuel Cycle Group
- Homi Bhabha National Institute, Indira Gandhi Centre for Atomic Research
- Kalpakkam 603 102
- India
| | - Shubhra Sarkar
- Materials Chemistry & Metal Fuel Cycle Group
- Homi Bhabha National Institute, Indira Gandhi Centre for Atomic Research
- Kalpakkam 603 102
- India
| | - K. Sundararajan
- Materials Chemistry & Metal Fuel Cycle Group
- Homi Bhabha National Institute, Indira Gandhi Centre for Atomic Research
- Kalpakkam 603 102
- India
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Esrafili MD, Kiani H. Cooperativity between the hydrogen bonding and σ-hole interaction in linear NCX···(NCH)n=2–5 and O3Z···(NCH)n=2–5 complexes (X = Cl, Br; Z = Ar, Kr): a comparative study. CAN J CHEM 2017. [DOI: 10.1139/cjc-2016-0640] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Quantum chemical calculations are performed to investigate the cooperativity of hydrogen bonding with halogen or aerogen bonding interactions in linear NCX···(NCH)n=2–5 and O3Z···(NCH)n=2–5 clusters, where X = Cl, Br and Z = Ar, Kr. To understand the cooperativity mechanism in these systems, the corresponding binary NCX···NCH and O3Z···NCH complexes are also considered. The binding distances, interaction energies, and bonding properties of the NCX···(NCH)n=2–5 and O3Z···(NCH)n=2–5 clusters are analyzed in detail. It is found that the cooperative effects in the hydrogen bonding tend to strengthen X···N and Z···N interactions. For both NCX···(NCH)n and O3Z···(NCH)n clusters, a small bond shrinkage is observed from n = 4 to n = 5, which suggests that the cooperativity effects are almost saturated in the larger clusters (n > 5). As the size of the X or Z atom is increased, the magnitude of the cooperative energy in these systems is also increased, which is mainly ascribed to changes in electrostatic potentials and orbital interactions. Our results indicate that the cooperative effects lead to a substantial change in the 14N nuclear quadrupole coupling constants of the NCH molecule.
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Affiliation(s)
- Mehdi D. Esrafili
- Laboratory of Theoretical Chemistry, Department of Chemistry, University of Maragheh, Maragheh, Iran
- Laboratory of Theoretical Chemistry, Department of Chemistry, University of Maragheh, Maragheh, Iran
| | - Hossein Kiani
- Laboratory of Theoretical Chemistry, Department of Chemistry, University of Maragheh, Maragheh, Iran
- Laboratory of Theoretical Chemistry, Department of Chemistry, University of Maragheh, Maragheh, Iran
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Esrafili MD, Sadr-Mousavi A. Modulating of the pnicogen-bonding by a H⋯π interaction: An ab initio study. J Mol Graph Model 2017; 75:165-173. [PMID: 28595167 DOI: 10.1016/j.jmgm.2017.04.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 04/14/2017] [Accepted: 04/18/2017] [Indexed: 11/29/2022]
Abstract
An ab initio study of the cooperativity in XH2P⋯NCH⋯Z and XH2P⋯CNH⋯Z complexes (X=F, Cl, Br, CN, NC; Z=C2H2,C6H6) connected by pnicogen-bonding and H⋯π interactions is carried out by means of MP2 computational method. A detailed analysis of the structures, interaction energies and bonding properties is performed on these systems. For each set of the complexes considered, a favorable cooperativity is observed, especially in X=F and CN complexes. However, for a given X or Z, the amount of cooperativity effects in XH2P⋯CNH⋯Z complexes are more important than XH2P⋯NCH⋯Z counterparts. Besides, the influence of a H⋯π interaction on a P⋯N (C) bond is more pronounced than that of a P⋯N (C) bond on a H⋯π bond. The quantum theory of atoms in molecules shows that ternary complexes have increased electron densities at their bond critical points relative to the corresponding binary systems. The results also indicate that the strength of the P⋯N(C) and H⋯π interactions increases in the presence of the solvent.
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Affiliation(s)
- Mehdi D Esrafili
- Laboratory of Theoretical Chemistry, Department of Chemistry, University of Maragheh, P.O. Box: 5513864596, Maragheh, Iran.
| | - Asma Sadr-Mousavi
- School of Chemistry, University College of Science, University of Tehran, Tehran, Iran
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Esrafili MD, Mohammadian-Sabet F, Vessally E. An ab initio study on the nature of σ-hole interactions in pnicogen-bonded complexes with carbene as an electron donor. Mol Phys 2016. [DOI: 10.1080/00268976.2016.1185547] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Mehdi D. Esrafili
- Department of Chemistry, Laboratory of Theoretical Chemistry, University of Maragheh, Maragheh, Iran
| | - Fariba Mohammadian-Sabet
- Department of Chemistry, Laboratory of Theoretical Chemistry, University of Maragheh, Maragheh, Iran
| | - Esmail Vessally
- Department of Chemistry, Payame Noor University, Tehran, Iran
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16
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Esrafili MD, Asadollahi S. Cationic P⋯N interaction in XH 3 P + ⋯NCY complexes (X = H, F, CN, NH 2 , OH; Y = H, Li, F, Cl) and its cooperativity with hydrogen/lithium/halogen bond. J Mol Graph Model 2016; 64:131-138. [DOI: 10.1016/j.jmgm.2016.01.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 01/22/2016] [Accepted: 01/27/2016] [Indexed: 12/27/2022]
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17
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Theoretical insights into nature of π-hole interactions between triel centers (B and Al) and radical methyl as a potential electron donor: Do single-electron triel bonds exist? Struct Chem 2016. [DOI: 10.1007/s11224-015-0739-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Sánchez-Sanz G, Trujillo C, Alkorta I, Elguero J. Modulating intramolecular P⋯N pnictogen interactions. Phys Chem Chem Phys 2016; 18:9148-60. [DOI: 10.1039/c6cp00227g] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The strength of P⋯N intramolecular pnictogen interactions can be modulated, enhanced or diminished upon substitution of different electron withdrawing or donor groups.
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Affiliation(s)
| | - Cristina Trujillo
- School of Chemistry
- Trinity Biomedical Sciences Institute
- Trinity College Dublin
- Dublin 2
- Ireland
| | - Ibon Alkorta
- Instituto de Química Médica
- CSIC
- E-28006 Madrid
- Spain
| | - José Elguero
- Instituto de Química Médica
- CSIC
- E-28006 Madrid
- Spain
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Nziko VDPN, Scheiner S. Comparison of π-hole tetrel bonding with σ-hole halogen bonds in complexes of XCN (X = F, Cl, Br, I) and NH3. Phys Chem Chem Phys 2016; 18:3581-90. [DOI: 10.1039/c5cp07545a] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
In addition to the standard halogen bond formed when NH3approaches XCN (X = F, Cl, Br, I) along its molecular axis, a perpendicular approach is also possible, toward a π-hole that is present above the X–C bond.
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Affiliation(s)
| | - Steve Scheiner
- Department of Chemistry and Biochemistry
- Utah State University
- Logan
- USA
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