1
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Liu Y, Yuan K, Li M, Zhao P, Zhao Y, Zhao X. Nanoscale Saturn Systems Based on C 60/70 Bucky Ball and a Newly Designed [4]Cyclopara-1,2-diphenylethylene Hoop: A Strategy for Fullerene Encapsulation Release and Selective Recognition for C 70. Inorg Chem 2023. [PMID: 37262348 DOI: 10.1021/acs.inorgchem.3c00665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A new carbonaceous nanohoop, [4]cyclopara-1,2-diphenylethylene ([4]CPDPE, composed by four 1,2-diphenylethylene units linked via the para of the phenyls), is designed together with two rational synthesis paths being proposed. The Saturn-like host-guest systems formed with the [4]CPDPE nanoring and fullerene C60/70 are explored using density functional theory calculations. The results evidence that the geometry mutual matching between [4]CPDPE and C60/70 is perfect, and the [4]CPDPE⊃C60/70 complexes could be formed spontaneously with high binding energies. Thermodynamic calculation results show that it essentially prefers to selectively recognize C70 over its smaller cousin C60. More interestingly, the [4]CPDPE nanoring could present the regular ring cylinder and the saddle shapes via configuration transformation between its all-trans form and all-cis form, so as to theoretically realize the fullerene encapsulation and release under photoirradiation. Furthermore, the 2:1 interaction structure ([4]CPDPE2⊃Dimer-C60) and properties are investigated. Additionally, the ultraviolet-visible (UV-vis) spectra are simulated, and host-guest noncovalent interaction (NCI) regions are investigated based on the electron density and reduced density gradient (RDG), which may be helpful for a deep understanding of the present designed systems in future.
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Affiliation(s)
- Yanzhi Liu
- College of Chemical Engineering and Technology, Key Laboratory for New Molecule Materials Design and Function of Gansu Universities, Tianshui Normal University, Tianshui 741001, China
| | - Kun Yuan
- College of Chemical Engineering and Technology, Key Laboratory for New Molecule Materials Design and Function of Gansu Universities, Tianshui Normal University, Tianshui 741001, China
| | - Mengyang Li
- School of Physics, Xidian University, Xi'an 710071, China
| | - Pei Zhao
- Research Center for Computational Science, Institute for Molecular Science, Okazaki 444-8585, Japan
| | - Yaoxiao Zhao
- School of Materials Science and Chemical Engineering, Xi'an Technological University, Xi'an 710021, China
| | - Xiang Zhao
- Institute of Molecular Science & Applied Chemistry, School of Chemistry, Xi'an Jiaotong University, Xi'an 710049, China
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2
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Freiberger M, Solymosi I, Freiberger EM, Hirsch A, Pérez-Ojeda ME, Drewello T. A molecular Popeye: Li +@C 60 and its complexes with [ n]cycloparaphenylenes. NANOSCALE 2023; 15:5665-5670. [PMID: 36896752 DOI: 10.1039/d2nr07166e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
In this work, we compare for the first time the stability of [n]cycloparaphenylene ([n]CPP)-based host-guest complexes with Li+@C60 and C60 in the gas and the solution phase. Our gas-phase experiments reveal a significant increase in stability for the complexes featuring [9-12]CPP with Li+@C60. This increased interaction strength is also observed in solution. Isothermal titration calorimetry shows for the formation of [10]CPP⊃Li+@C60 a two orders of magnitude larger association constant than that for the C60 analog. Additionally, an increased binding entropy is observed. This study contributes to a better understanding of host-guest complexes between [n]CPPs and endohedral metallofullerenes at a molecular level, which is the prerequisite for future applications.
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Affiliation(s)
- Markus Freiberger
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institut fur Organische Chemie, Erlangen, Bayern, Germany.
| | - Iris Solymosi
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institut fur Organische Chemie, Erlangen, Bayern, Germany.
| | - Eva Marie Freiberger
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institut fur Organische Chemie, Erlangen, Bayern, Germany.
| | - Andreas Hirsch
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institut fur Organische Chemie, Erlangen, Bayern, Germany.
| | - M Eugenia Pérez-Ojeda
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institut fur Organische Chemie, Erlangen, Bayern, Germany.
| | - Thomas Drewello
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institut fur Organische Chemie, Erlangen, Bayern, Germany.
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3
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George G, Stasyuk OA, Voityuk AA, Stasyuk AJ, Solà M. Aromaticity controls the excited-state properties of host-guest complexes of nanohoops. NANOSCALE 2023; 15:1221-1229. [PMID: 36537223 DOI: 10.1039/d2nr04037a] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
π-Conjugated organic molecules have exciting applications as materials for batteries, solar cells, light-emitting diodes, etc. Among these systems, antiaromatic compounds are of particular interest because of their smaller HOMO-LUMO energy gap compared to aromatic compounds. A small HOMO-LUMO gap is expected to facilitate charge transfer in the systems. Here we report the ground and excited-state properties of two model nanohoops that are nitrogen-doped analogs of recently synthesized [4]cyclodibenzopentalenes - tetramers of benzene-fused aromatic 1,4-dihydropyrrolo[3,2-b]pyrrole ([4]DHPP) and antiaromatic pyrrolo[3,2-b]pyrrole ([4]PP). Their complexes with C60 fullerene show different behavior upon photoexcitation, depending on the degree of aromaticity. [4]DHPP acts as an electron donor, whereas [4]PP is a stronger electron acceptor than C60. The ultrafast charge separation combined with the slow charge recombination that we found for [4]PP⊃C60 indicates a long lifetime of the charge transfer state.
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Affiliation(s)
- G George
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, C/ Maria Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain.
| | - O A Stasyuk
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, C/ Maria Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain.
| | - A A Voityuk
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, C/ Maria Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain.
| | - A J Stasyuk
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, C/ Maria Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain.
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - M Solà
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, C/ Maria Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain.
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4
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Kausar A. Carbon nanopeapod encapsulating fullerene and inorganic nanoparticle toward polymeric nanocomposite: tailored features and promises. POLYM-PLAST TECH MAT 2022. [DOI: 10.1080/25740881.2022.2069039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Affiliation(s)
- Ayesha Kausar
- Nanosciences Division, National Center For Physics, Quaid-i-Azam University Campus, Islamabad, Pakistan
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5
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Bradbury NC, Nguyen M, Caram J, Neuhauser D. Bethe Salpeter Equation Spectra for Very Large Systems. J Chem Phys 2022; 157:031104. [DOI: 10.1063/5.0100213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We present a highly efficient method for the extraction of optical properties of very large molecules via the Bethe-Salpeter equation. The crutch of this approach is the calculation of the action of the effective Coulombic interaction, $W$, through a stochastic TD Hartree propagation, which uses only 10 stochastic orbitals rather than propagating the full sea of occupied states. This leads to a scaling that is at most cubic in system size, with trivial parallelization of the calculation. We apply this new method to calculate the spectra and electronic density of the dominant excitons of a carbon-nanohoop bound fullerene system with 520 electrons, using less than 4000 core hours.
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Affiliation(s)
- Nadine Claire Bradbury
- Chemistry and Biochemistry, University of California Los Angeles Department of Chemistry and Biochemistry, United States of America
| | - Minh Nguyen
- Chemistry and Biochemistry, University of California Los Angeles Department of Chemistry and Biochemistry, United States of America
| | - Justin Caram
- UCLA, UCLA Division of Physical Sciences, United States of America
| | - Daniel Neuhauser
- Department of Chemistry and Biochemistry, UCLA, United States of America
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6
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Kanai K, Inoue T, Furuichi T, Shinoda K, Iwahashi T, Ouchi Y. Electronic structure of n-cycloparaphenylenes directly observed by photoemission spectroscopy. Phys Chem Chem Phys 2021; 23:8361-8367. [PMID: 33876000 DOI: 10.1039/d1cp00625h] [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
A series of n-cycloparaphenylenes ([n]CPP, n = 8, 9, and 12) were studied by ultraviolet photoemission, inverse photoemission, ultraviolet-visible absorption, and X-ray photoemission spectroscopy to detect their unique electronic structures. [n]CPP has a cyclic structure in which both ends of n-poly(p-phenylene)s (nP) are connected. The molecular size dependence of the HOMO-LUMO gap of [n]CPP was investigated by direct observation and was found to increase as the molecular size increased. This trend is opposite to that of typical π-conjugated systems. Highly strained molecular structures, especially of small [n]CPPs, significantly impact their electronic structure. Insights into the electronic structure of [n]CPP obtained here will aid the design of electronic functionality of non-planar π-conjugation systems.
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Affiliation(s)
- Kaname Kanai
- Department of Physics, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan.
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7
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Zhao C, Liu F, Feng L, Nie M, Lu Y, Zhang J, Wang C, Wang T. Construction of a double-walled carbon nanoring. NANOSCALE 2021; 13:4880-4886. [PMID: 33625431 DOI: 10.1039/d0nr08931a] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The nanoring structure of cycloparaphenylenes (CPPs) can be considered as the shortest fragment of a carbon nanotube. Herein, we successfully prepared a double-walled carbon nanoring of [6]CPP⊂[12]CPP, which can be regarded as the shortest double-walled carbon nanotube. [6]CPP⊂[12]CPP was constructed through the supramolecular assembly, and its crystallographic structure was unambiguously determined by single-crystal X-ray diffraction. The host-guest interaction and charge transfer in [6]CPP⊂[12]CPP were disclosed by UV-Vis absorption, fluorescence, and electrochemical studies. Electron paramagnetic resonance (EPR) spectroscopy disclosed the stability of the [6]CPP⊂[12]CPP cation radical, whose unpaired spin was fully delocalized on the inner [6]CPP and well protected by outer [12]CPP. Moreover, [6]CPP⊂[12]CPP shows highly enhanced photoconductivity and photocurrent under light irradiation compared to those of pristine monomers. The self-assembly behavior of [6]CPP⊂[12]CPP was also studied, and it was found that [6]CPP⊂[12]CPP molecules tend to form a square rod structure in the DMF solution. Thus, these results demonstrate that this double-walled carbon nanoring material has a great potential application in photoelectronic devices and organic semiconductors.
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Affiliation(s)
- Chong Zhao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing 100190, China.
| | - Fupin Liu
- Leibniz Institute for Solid State and Materials Research (IFW Dresden), 01069 Dresden, Germany
| | - Lai Feng
- Soochow Institute for Energy and Materials InnovationS (SIEMIS), College of Physics, Optoelectronics and Energy & Jiangsu Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies, Soochow University, 215006 Suzhou, China
| | - Mingzhe Nie
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing 100190, China.
| | - Yuxi Lu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing 100190, China.
| | - Jie Zhang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing 100190, China.
| | - Chunru Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing 100190, China.
| | - Taishan Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing 100190, China.
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8
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Kajiyama K, Tsurumaki E, Wakamatsu K, Fukuhara G, Toyota S. Complexation of an Anthracene-Triptycene Nanocage Host with Fullerene Guests through CH⋅⋅⋅π Contacts. Chempluschem 2021; 86:716-722. [PMID: 33620779 DOI: 10.1002/cplu.202000816] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/11/2021] [Indexed: 12/22/2022]
Abstract
A bicyclic anthracene macrocycle containing two triptycene units at the bridgehead positions was synthesized by Ni-mediated coupling of the corresponding precursor as a cage-shaped aromatic hydrocarbon host. This cage host formed an inclusion complex with C60 or C70 guest in 1 : 1 ratio in solution. The association constants (Ka ) determined by the fluorescence titration method were 1.3×104 and 3.3×105 L mol -1 for the C60 and C70 complexes, respectively, at 298 K in toluene. DFT calculations revealed that the guest molecules were included in the middle of the cavity with several CH⋅⋅⋅π contacts. The strong affinity of the cage host for the fullerene guests and the high selectivity toward C70 are discussed on the basis of spectroscopic and structural data.
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Affiliation(s)
- Kazuki Kajiyama
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8551, Japan
| | - Eiji Tsurumaki
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8551, Japan
| | - Kan Wakamatsu
- Department of Chemistry, Faculty of Science, Okayama University of Science, 1-1 Ridaicho, Kita-ku, Okayama, 700-0005, Japan
| | - Gaku Fukuhara
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8551, Japan.,JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
| | - Shinji Toyota
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8551, Japan
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9
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Liu YZ, Zhang JB, Yuan K. Theoretical Prediction on a Novel Reduction-Responsive Nanoring Having a Disulfide Group for Facile Encapsulation and Release of Fullerenes C 60 and C 70. ACS OMEGA 2020; 5:25400-25407. [PMID: 33043220 PMCID: PMC7542849 DOI: 10.1021/acsomega.0c03788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 09/15/2020] [Indexed: 06/11/2023]
Abstract
In this work, a novel reduction-responsive disulfide bond-containing cycloparaphenylene nanoring molecule (DSCPP) with a pyriform shape has been designed. In addition, the interactions between the designed nanoring (host) and fullerenes C60 and C70 (guests) were investigated theoretically at the M06-2X/6-31G(d,p) and M06-L/MIDI! levels of theory. By analyzing geometric characteristics and host-guest binding energies, it is revealed that the designed DSCPP is an ideal host molecule of guests C60 and C70. DSCPP presents excellent elastic deformation during the encapsulation of C60 and C70. The high binding energies suggest that both DSCPP⊃C60 and DSCPP⊃C70 (∼92 and 118 kJ·mol-1 at the M06-2X/6-31G(d,p) level of theory) are stable host-guest complexes, and the guest C70 is more strongly encapsulated than C60 in the gas phase. The thermodynamic information indicates that the formation of the two host-guest complexes is thermodynamically spontaneous. In addition, the frontier molecular orbital (FMO) features and intermolecular weak interaction region between DSCPP and fullerenes gusts are discussed to further understand the structures and properties of the DSCPP⊃fullerene systems. Finally, the ring-opening mechanism of the DSCPP under reduction conditions is investigated.
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Affiliation(s)
- Yan-Zhi Liu
- School
of Chemical Engineering and Technology, Tianshui Normal University, Tianshui 741001, China
- Key
Laboratory for New Molecule Materials Design and Function of Gansu
Universities, Tianshui Normal University, Tianshui 741001, China
| | - Jian-Bin Zhang
- School
of Chemical Engineering and Technology, Tianshui Normal University, Tianshui 741001, China
| | - Kun Yuan
- School
of Chemical Engineering and Technology, Tianshui Normal University, Tianshui 741001, China
- Key
Laboratory for New Molecule Materials Design and Function of Gansu
Universities, Tianshui Normal University, Tianshui 741001, China
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10
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Pérez‐Jiménez ÁJ, Sancho‐García JC. Theoretical Insights for Materials Properties of Cyclic Organic Nanorings. ADVANCED THEORY AND SIMULATIONS 2020. [DOI: 10.1002/adts.202000110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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11
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Minameyer MB, Xu Y, Frühwald S, Görling A, von Delius M, Drewello T. Investigation of Cycloparaphenylenes (CPPs) and their Noncovalent Ring-in-Ring and Fullerene-in-Ring Complexes by (Matrix-Assisted) Laser Desorption/Ionization and Density Functional Theory. Chemistry 2020; 26:8729-8741. [PMID: 32476186 PMCID: PMC7497255 DOI: 10.1002/chem.202001503] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 05/23/2020] [Indexed: 12/14/2022]
Abstract
[n]Cycloparaphenylenes ([n]CPPs) with n=5, 8, 10 and 12 and their noncovalent ring‐in‐ring and [m]fullerene‐in‐ring complexes with m=60, 70 and 84 have been studied by direct and matrix‐assisted laser desorption ionization ((MA)LDI) and density‐functional theory (DFT). LDI is introduced as a straightforward approach for the sensitive analysis of CPPs, free from unwanted decomposition and without the need of a matrix. The ring‐in‐ring system of [[10]CPP⊃[5]CPP]+. was studied in positive‐ion MALDI. Fragmentation and DFT indicate that the positive charge is exclusively located on the inner ring, while in [[10]CPP⊃C60]+. it is located solely on the outer nanohoop. Positive‐ion MALDI is introduced as a new sensitive method for analysis of CPP⊃fullerene complexes, enabling the detection of novel complexes [[12]CPP⊃C60, 70 and 84]+. and [[10]CPP⊃C84]+.. Selective binding can be observed when mixing one fullerene with two CPPs or vice versa, reflecting ideal size requirements for efficient complex formation. Geometries, binding and fragmentation energies of CPP⊃fullerene complexes from DFT calculations explain the observed fragmentation behavior.
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Affiliation(s)
- Martin B Minameyer
- Department of Chemistry and Pharmacy, Physical Chemistry I, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstrasse 3, 91058, Erlangen, Germany
| | - Youzhi Xu
- Institute of Organic Chemistry I, University of Ulm, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Stefan Frühwald
- Department of Chemistry and Pharmacy, Theoretical Chemistry, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstrasse 3, 91058, Erlangen, Germany
| | - Andreas Görling
- Department of Chemistry and Pharmacy, Theoretical Chemistry, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstrasse 3, 91058, Erlangen, Germany
| | - Max von Delius
- Institute of Organic Chemistry I, University of Ulm, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Thomas Drewello
- Department of Chemistry and Pharmacy, Physical Chemistry I, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstrasse 3, 91058, Erlangen, Germany
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12
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Zhan SZ, Li JH, Zhang GH, Li MD, Sun S, Zheng J, Ning GH, Li M, Kuang DB, Wang XD, Li D. Coordination disk-type nano-Saturn complexes. Chem Commun (Camb) 2020; 56:3325-3328. [PMID: 32083264 DOI: 10.1039/d0cc00532k] [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
The first coordination disk-type nano-Saturn complexes, [Cu10(Mim)10]⊃C60 and [Cu10(Mim)10]⊃C70 (Mim = 2-methylimidazolate), were assembled under one-pot solvothermal conditions. The highest number of 30 C-Hπ interactions between the [Cu10(Mim)10] disk and the C60/C70 surfaces drives the formation of the nano-Saturns. The calculated interaction energy is much larger than that of most of the reported disk-type nano-Saturns. Different photoinduced charge/energy transfer mechanisms are present for both nano-Saturn systems to quench the intrinsic luminescence of the [Cu10(Mim)10] disk.
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Affiliation(s)
- Shun-Ze Zhan
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China. and Chemistry and Chemical Engineering Guangdong Laboratory, Shantou 515031, P. R. China
| | - Jing-Hong Li
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China.
| | - Guo-Hui Zhang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China.
| | - Ming-De Li
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China.
| | - Shanshan Sun
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China.
| | - Ji Zheng
- College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, P. R. China.
| | - Guo-Hong Ning
- College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, P. R. China.
| | - Mian Li
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China.
| | - Dai-Bin Kuang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Xu-Dong Wang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Dan Li
- College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, P. R. China.
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13
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Cabaleiro-Lago EM, Rodríguez-Otero J. Curvature and size effects hinder halogen bonds with extended π systems. Phys Chem Chem Phys 2020; 22:21988-22002. [DOI: 10.1039/d0cp03466e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The curvature of aromatic systems strengthens the interaction by the concave face while it weakens by the convex one. Parallel structures are favoured over halogen bonded ones.
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Affiliation(s)
- Enrique M. Cabaleiro-Lago
- Departamento de Química Física
- Facultade de Ciencias
- Universidade de Santiago de Compostela
- Campus de Lugo
- Av. Alfonso X El Sabio
| | - Jesús Rodríguez-Otero
- Departamento de Química Física
- Facultade de Química
- Universidade de Santiago de Compostela
- 15782 Santiago de Compostela
- Spain
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14
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Zhao C, Meng H, Nie M, Huang Q, Du P, Wang C, Wang T. Construction of a short metallofullerene-peapod with a spin probe. Chem Commun (Camb) 2019; 55:11511-11514. [PMID: 31490471 DOI: 10.1039/c9cc05220h] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A short metallofullere-peapod of Y2@C79N⊂[4]CHBC was constructed. The strong confinement effect from the large π-extended [4]CHBC nanoring induces molecular orientation of the wrapped Y2@C79N, which can be sensed by a Y2@C79N spin probe. The low susceptibility of the spin phase memory time (Tm) for the Y2@C79N spin was also found in a confined space.
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Affiliation(s)
- Chong Zhao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, China. and University of Chinese Academy of Sciences, Beijing, China
| | - Haibing Meng
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, China. and University of Chinese Academy of Sciences, Beijing, China
| | - Mingzhe Nie
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, China. and University of Chinese Academy of Sciences, Beijing, China
| | - Qiang Huang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), University of Science and Technology of China, Hefei, China.
| | - Pingwu Du
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), University of Science and Technology of China, Hefei, China.
| | - Chunru Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, China.
| | - Taishan Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, China.
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15
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Affiliation(s)
- Youzhi Xu
- Institut für Organische Chemie und Neue MaterialienUniversität Ulm Albert-Einstein-Allee 11 89081 Ulm Deutschland
| | - Max Delius
- Institut für Organische Chemie und Neue MaterialienUniversität Ulm Albert-Einstein-Allee 11 89081 Ulm Deutschland
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16
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Xu Y, von Delius M. The Supramolecular Chemistry of Strained Carbon Nanohoops. Angew Chem Int Ed Engl 2019; 59:559-573. [PMID: 31190449 DOI: 10.1002/anie.201906069] [Citation(s) in RCA: 132] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Indexed: 01/24/2023]
Abstract
Since 1996, a growing number of strained macrocycles, comprising only sp2 - or sp-hybridized carbon atoms within the ring, have become synthetically accessible, with the [n]cycloparaphenyleneacetylenes (CPPAs) and the [n]cycloparaphenylenes (CPPs) being the most prominent examples. Now that robust and relatively general synthetic routes toward a diverse range of nanohoop structures have become available, the research focus is beginning to shift towards the exploration of their properties and applications. From a supramolecular chemistry perspective, these macrocycles offer unique opportunities as a result of their near-perfect circular shape, the unusually high degree of shape-persistence, and the presence of both convex and concave π-faces. In this Minireview, we give an overview on the use of strained carbon-rich nanohoops in host-guest chemistry, the preparation of mechanically interlocked architectures, and crystal engineering.
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Affiliation(s)
- Youzhi Xu
- Institute of Organic Chemistry and Advanced Materials, University of Ulm, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Max von Delius
- Institute of Organic Chemistry and Advanced Materials, University of Ulm, Albert-Einstein-Allee 11, 89081, Ulm, Germany
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17
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Toyota S, Tsurumaki E. Exploration of Nano-Saturns: A Spectacular Sphere-Ring Supramolecular System. Chemistry 2019; 25:6878-6890. [DOI: 10.1002/chem.201900039] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 01/25/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Shinji Toyota
- Department of Chemistry, School of Science; Tokyo Institute of Technology; 2-12-1 Ookayama, Meguro-ku Tokyo 152-8551 Japan
| | - Eiji Tsurumaki
- Department of Chemistry, School of Science; Tokyo Institute of Technology; 2-12-1 Ookayama, Meguro-ku Tokyo 152-8551 Japan
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18
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González-Veloso I, Rodríguez-Otero J, Cabaleiro-Lago EM. Endohedral alkali cations promote charge transfer transitions in complexes of C60 with [10]cycloparaphenylenes. Phys Chem Chem Phys 2019; 21:16665-16675. [DOI: 10.1039/c9cp02625h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The endohedral alkali cations in M+@C60⋯[10]CPP complexes boost the near infrared absorption bands associated with charge transfer from the nanoring to the fullerene.
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Affiliation(s)
- Iván González-Veloso
- Departamento de Química Física
- Facultade de Química
- Universidade de Santiago de Compostela
- Santiago de Compostela
- Spain
| | - Jesús Rodríguez-Otero
- Departamento de Química Física
- Facultade de Química
- Universidade de Santiago de Compostela
- Santiago de Compostela
- Spain
| | - Enrique M. Cabaleiro-Lago
- Departamento de Química Física
- Facultad de Ciencias
- Universidade de Santiago de Compostela
- Campus de Lugo
- 27002 Lugo
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19
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Stasyuk AJ, Stasyuk OA, Solà M, Voityuk AA. Hypsochromic solvent shift of the charge separation band in ionic donor–acceptor Li+@C60⊂[10]CPP. Chem Commun (Camb) 2019; 55:11195-11198. [DOI: 10.1039/c9cc05787k] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Photoinduced electron transfer in CPP-based donor–acceptor complexes C60⊂[10]CPP and Li+@C60⊂[10]CPP was studied using DFT/TDDFT. Unusual blue shift of charge separated states for Li+@C60⊂[10]CPP complexes in the polar medium is predicted.
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Affiliation(s)
- Anton J. Stasyuk
- Institute of Computational Chemistry and Catalysis and Department of Chemistry
- University of Girona
- 17003 Girona
- Spain
| | - Olga A. Stasyuk
- Institute of Computational Chemistry and Catalysis and Department of Chemistry
- University of Girona
- 17003 Girona
- Spain
| | - Miquel Solà
- Institute of Computational Chemistry and Catalysis and Department of Chemistry
- University of Girona
- 17003 Girona
- Spain
| | - Alexander A. Voityuk
- Institute of Computational Chemistry and Catalysis and Department of Chemistry
- University of Girona
- 17003 Girona
- Spain
- Institució Catalana de Recerca i Estudis Avancats (ICREA)
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20
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Yuan K, Zhao RS, Li MY, Liu YZ, Yuan Z, Zhao SD, Zhao X. Noncovalent interactions between O6
-corona[6]arene nanorings and fullerenes C60
and C70
: atypical ring ball-shaped host-guest systems. J PHYS ORG CHEM 2018. [DOI: 10.1002/poc.3892] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Kun Yuan
- Institute for Chemical Physics and Department of Chemistry, School of Science and School of Mechanical Engineering; Xi'an Jiaotong University; Xi'an China
- College of Chemical Engineering and Technology; Tianshui Normal University; Tianshui China
| | - Rui-Sheng Zhao
- Institute for Chemical Physics and Department of Chemistry, School of Science and School of Mechanical Engineering; Xi'an Jiaotong University; Xi'an China
| | - Meng-Yang Li
- Institute for Chemical Physics and Department of Chemistry, School of Science and School of Mechanical Engineering; Xi'an Jiaotong University; Xi'an China
| | - Yan-Zhi Liu
- College of Chemical Engineering and Technology; Tianshui Normal University; Tianshui China
| | - Zhao Yuan
- Department of Chemical and Biomedical Engineering; Florida State University; Tallahassee FL USA
| | - Sheng-Dun Zhao
- Institute for Chemical Physics and Department of Chemistry, School of Science and School of Mechanical Engineering; Xi'an Jiaotong University; Xi'an China
| | - Xiang Zhao
- Institute for Chemical Physics and Department of Chemistry, School of Science and School of Mechanical Engineering; Xi'an Jiaotong University; Xi'an China
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21
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Yamamoto Y, Tsurumaki E, Wakamatsu K, Toyota S. Nano‐Saturn: Experimental Evidence of Complex Formation of an Anthracene Cyclic Ring with C
60. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804430] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yuta Yamamoto
- Department of Chemistry and Materials ScienceTokyo Institute of Technology 2-12-1 Ookayama, Meguro-ku Tokyo 152-8551 Japan
| | - Eiji Tsurumaki
- Department of Chemistry and Materials ScienceTokyo Institute of Technology 2-12-1 Ookayama, Meguro-ku Tokyo 152-8551 Japan
| | - Kan Wakamatsu
- Department of ChemistryFaculty of ScienceOkayama University of Science 1-1 Ridaicho, Kita-ku Okayama 700-0005 Japan
| | - Shinji Toyota
- Department of Chemistry and Materials ScienceTokyo Institute of Technology 2-12-1 Ookayama, Meguro-ku Tokyo 152-8551 Japan
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22
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Yamamoto Y, Tsurumaki E, Wakamatsu K, Toyota S. Nano‐Saturn: Experimental Evidence of Complex Formation of an Anthracene Cyclic Ring with C
60. Angew Chem Int Ed Engl 2018; 57:8199-8202. [DOI: 10.1002/anie.201804430] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Yuta Yamamoto
- Department of Chemistry and Materials ScienceTokyo Institute of Technology 2-12-1 Ookayama, Meguro-ku Tokyo 152-8551 Japan
| | - Eiji Tsurumaki
- Department of Chemistry and Materials ScienceTokyo Institute of Technology 2-12-1 Ookayama, Meguro-ku Tokyo 152-8551 Japan
| | - Kan Wakamatsu
- Department of ChemistryFaculty of ScienceOkayama University of Science 1-1 Ridaicho, Kita-ku Okayama 700-0005 Japan
| | - Shinji Toyota
- Department of Chemistry and Materials ScienceTokyo Institute of Technology 2-12-1 Ookayama, Meguro-ku Tokyo 152-8551 Japan
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23
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González-Veloso I, Cabaleiro-Lago EM, Rodríguez-Otero J. Fullerene size controls the selective complexation of [11]CPP with pristine and endohedral fullerenes. Phys Chem Chem Phys 2018; 20:11347-11358. [PMID: 29644372 DOI: 10.1039/c8cp00503f] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The ability of the carbon nanoring [11]cycloparaphenylene ([11]CPP) for coordinating fullerenes has been tested using a series of hosts, including the pristine fullerenes C60, C70, C76 and C78, the clusterfullerene Sc3N@C80, monometallic endofullerenes Y@C82 and Tm@C82, and dimetallic endofullerenes Y2@C82 and Lu2@C82. A systematic theoretical study employing dispersion corrected density functional methods has been carried out in order to explore the characteristics of the complexes and the strength of the interaction. Depending on the dimer, complexation energies span from around -36 kcal mol-1 with C60 to -53 kcal mol-1 with the C82 derivatives. Dispersion is the main stabilizing contribution in these dimers, so the molecules arrange to maximize the number of close interatomic contacts. Since most fullerenes can properly fill the cavity of the nanoring the stability of the complexes is pretty similar, with the exception of the smallest fullerenes. The complexes with endohedral fullerenes show similar stabilities in all cases studied, with no noticeable dependence on the nature of the endohedral species. The results obtained suggest that fullerenes larger than C76 could be selectively encapsulated by [11]CPP compared to smaller fullerenes.
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Affiliation(s)
- I González-Veloso
- CIQUS and Facultade de Química (Dpto. de Química Física), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galicia, Spain
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24
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González-Veloso I, Rodríguez-Otero J, Cabaleiro-Lago EM. Assessment of electronic transitions involving intermolecular charge transfer in complexes formed by fullerenes and donor–acceptor nanohoops. Phys Chem Chem Phys 2018; 20:27791-27803. [DOI: 10.1039/c8cp04119a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Inserting an anthraquinone or tetracyanoanthraquinone unit in cycloparaphenylene nanohoops facilitates intermolecular electron transfer to a fullerene guest.
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Affiliation(s)
- Iván González-Veloso
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Física
- Universidade de Santiago de Compostela
- Galicia
- Spain
| | - Jesús Rodríguez-Otero
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Física
- Universidade de Santiago de Compostela
- Galicia
- Spain
| | - Enrique M. Cabaleiro-Lago
- Departamento de Química Física
- Facultad de Ciencias
- Universidade de Santiago de Compostela
- Campus de Lugo
- 27002 Lugo
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25
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Roohi H, Tondro T. Exploring the pnicogen bond non-covalent interactions in 4-XPhNH2:PFnH3-n complexes (n = 1–3, X = H, F, CN, CHO, NH2, CH3, NO2 and OCH3). J Fluor Chem 2017. [DOI: 10.1016/j.jfluchem.2017.08.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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26
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Seal P. Nonlinear Optical Properties of the Hula Hoop [
n
]‐Cycloparaphenylenes and Their Halo Derivatives at Nd:YAG Laser Frequency. ChemistrySelect 2017. [DOI: 10.1002/slct.201701017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Prasenjit Seal
- Integrated Materials Design Centre (IMDC) School of Chemical Engineering UNSW Australia, NSW 2052 Sydney Australia
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27
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Yuan K, Zhao RS, Zheng JJ, Zheng H, Nagase S, Zhao SD, Liu YZ, Zhao X. Van Der Waals heterogeneous layer-layer carbon nanostructures involving π···H-C-C-H···π···H-C-C-H stacking based on graphene and graphane sheets. J Comput Chem 2017; 38:730-739. [DOI: 10.1002/jcc.24743] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 01/05/2017] [Accepted: 01/09/2017] [Indexed: 01/18/2023]
Affiliation(s)
- Kun Yuan
- Institute for Chemical Physics & Department of Chemistry; School of Science, State Key Laboratory of Electrical Insulation and Power Equipment, School of Mechanical Engineering, Xi'an Jiaotong University; Xi'an 710049 China
- College of Chemical engineering & Technology; Department of Chemistry, Tianshui Normal University; Tianshui 741001 China
- Fukui Institute for Fundamental Chemistry, Kyoto University; Kyoto 606-8103 Japan
| | - Rui-Sheng Zhao
- Institute for Chemical Physics & Department of Chemistry; School of Science, State Key Laboratory of Electrical Insulation and Power Equipment, School of Mechanical Engineering, Xi'an Jiaotong University; Xi'an 710049 China
| | - Jia-Jia Zheng
- Institute for Chemical Physics & Department of Chemistry; School of Science, State Key Laboratory of Electrical Insulation and Power Equipment, School of Mechanical Engineering, Xi'an Jiaotong University; Xi'an 710049 China
- Fukui Institute for Fundamental Chemistry, Kyoto University; Kyoto 606-8103 Japan
| | - Hong Zheng
- Institute for Chemical Physics & Department of Chemistry; School of Science, State Key Laboratory of Electrical Insulation and Power Equipment, School of Mechanical Engineering, Xi'an Jiaotong University; Xi'an 710049 China
- Fukui Institute for Fundamental Chemistry, Kyoto University; Kyoto 606-8103 Japan
| | - Shigeru Nagase
- Fukui Institute for Fundamental Chemistry, Kyoto University; Kyoto 606-8103 Japan
| | - Sheng-Dun Zhao
- Institute for Chemical Physics & Department of Chemistry; School of Science, State Key Laboratory of Electrical Insulation and Power Equipment, School of Mechanical Engineering, Xi'an Jiaotong University; Xi'an 710049 China
| | - Yan-Zhi Liu
- College of Chemical engineering & Technology; Department of Chemistry, Tianshui Normal University; Tianshui 741001 China
| | - Xiang Zhao
- Institute for Chemical Physics & Department of Chemistry; School of Science, State Key Laboratory of Electrical Insulation and Power Equipment, School of Mechanical Engineering, Xi'an Jiaotong University; Xi'an 710049 China
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28
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Abstract
Cycloparaphenylenes (CPP) can serve as both guest and host in a complex. Geometric analysis indicates that optimal binding occurs when the CPP nanohoops differ by five phenyl rings. Employing C-PCM(THF)/ωB97X-D/6-31G(d) computations, we find that the strongest binding does occur when the host and guest differ by five phenyl rings. The guest CPP is modestly inclined relative to the plane of the host CPP except when the host and guest differ by four phenyl rings, when the inclination angle becomes >40°. The distortion/interaction model shows that interaction dominates and is best when the host and guest differ by five phenyl rings. The computed (1)H NMR shifts of the guest CPP are shifted by about 1 ppm upfield relative to their position when unbound. This distinct chemical shift should aid in experimental detection of these CPP planetary orbit complexes.
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Affiliation(s)
- Steven M Bachrach
- Department of Chemistry, Trinity University , One Trinity Place, San Antonio, Texas 78212, United States
| | - Zeina-Christina Zayat
- Department of Chemistry, Trinity University , One Trinity Place, San Antonio, Texas 78212, United States
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29
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González-Veloso I, Rodríguez-Otero J, Cabaleiro-Lago EM. Carbon-nanorings ([10]CPP and [6]CPPA) as fullerene (C60 and C70) receptors: a comprehensive dispersion-corrected DFT study. Phys Chem Chem Phys 2016; 18:31670-31679. [DOI: 10.1039/c6cp06209a] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The good performance of [10]CPP for catching fullerenes C60 and C70 is made clear. The largest complexation energy corresponds to the C70@[10]CPP complex: −53.32 kcal mol−1 at the B97-D2/def2-TZVP level.
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Affiliation(s)
- Iván González-Veloso
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) e Departamento de Química Física
- Universidade de Santiago de Compostela
- Galicia
- Spain
| | - Jesús Rodríguez-Otero
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) e Departamento de Química Física
- Universidade de Santiago de Compostela
- Galicia
- Spain
| | - Enrique M. Cabaleiro-Lago
- Departamento de Química Física
- Facultade de Ciencias
- Universidade de Santiago de Compostela
- 27002 Lugo
- Spain
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30
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Rio J, Erbahar D, Rayson M, Briddon P, Ewels CP. Cyclotetrahalo-p-phenylenes: simulations of halogen substituted cycloparaphenylenes and their interaction with C60. Phys Chem Chem Phys 2016; 18:23257-63. [DOI: 10.1039/c6cp03376h] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Halogen substitution of cycloparaphenylenes (‘nanohoops’) shifts the HOMO and LUMO, for example eliminating redox coupling in the complex C60@[10]CPP-F.
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Affiliation(s)
- J. Rio
- Institut des Matériaux Jean Rouxel (IMN)
- Université de Nantes
- CNRS UMR 6502
- F-44322 Nantes
- France
| | - D. Erbahar
- Institut des Matériaux Jean Rouxel (IMN)
- Université de Nantes
- CNRS UMR 6502
- F-44322 Nantes
- France
| | - M. Rayson
- School of Electrical and Electronic Engineering
- University of Newcastle
- Newcastle upon Tyne
- UK
| | - P. Briddon
- Institut des Matériaux Jean Rouxel (IMN)
- Université de Nantes
- CNRS UMR 6502
- F-44322 Nantes
- France
| | - C. P. Ewels
- Institut des Matériaux Jean Rouxel (IMN)
- Université de Nantes
- CNRS UMR 6502
- F-44322 Nantes
- France
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31
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LIU YANZHI, YUAN KUN, YUAN ZHAO, ZHU YUANCHENG, ZHAO XIANG. Theoretical exploration of pnicogen bond noncovalent interactions in HCHO⋯PH2X (X=CH3, H, C6H5, F, Cl, Br, and NO2) complexes. J CHEM SCI 2015. [DOI: 10.1007/s12039-015-0933-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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32
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Lim DS, Sahoo SK, Cho CS, Kim Y, Choi HJ. A C3v-symmetric triphosphine ligand derived from trindane skeleton: synthesis, inclusion of C60, and catalytic activity of its Pd complex. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.08.069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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