1
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Majka Z, Kwiecień K, Kaczor A. Vibrational Optical Activity of Amyloid Fibrils. Chempluschem 2024; 89:e202400091. [PMID: 38421108 DOI: 10.1002/cplu.202400091] [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: 01/31/2024] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 03/02/2024]
Abstract
Amyloid fibrils are supramolecular systems showing distinct chirality at different levels of their complex multilayered architectures. Due to the regular long-range chiral organization, amyloid fibrils exhibit the most intense Vibrational Optical Activity (VOA) signal observed up to now, making VOA techniques: Vibrational Circular Dichroism (VCD) and Raman Optical Activity (ROA) very promising tools to explore their structures, handedness and intricate polymorphism. This concept article reviews up-to-date experimental studies on VOA applications to investigate amyloid fibrils highlighting its future potential in analyzing of these unique supramolecular systems, in particular in the context of biomedicine and nanotechnology.
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Affiliation(s)
- Zuzanna Majka
- Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387, Krakow, Poland
| | - Karolina Kwiecień
- Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387, Krakow, Poland
- Jagiellonian University, Doctoral School of Exact and Natural Sciences, Prof. St. Łojasiewicza 11 Str., Krakow, Poland
- Łukasiewicz Research Network-Institute of Microelectronics and Photonics, 39 Zabłocie Str., 30-701, Krakow, Poland
| | - Agnieszka Kaczor
- Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387, Krakow, Poland
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2
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Omor Faruk Patwary M, Mahbubur Rahman M, Khalid Bin Islam M, Ackas Ali M, Halim MA, Ahmed F. Probing the non-bonding interaction of small molecules with graphene oxide using DFT based vibrational circular dichroism. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2021.113503] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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3
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Pelliccioli V, Franzini R, Mazzeo G, Villani C, Abbate S, Longhi G, Licandro E, Cauteruccio S. Chiral bis(benzo[1,2- b:4,3- b′]dithiophene) atropisomers: experimental and theoretical investigations of the stereochemical and chiroptical properties. NEW J CHEM 2021. [DOI: 10.1039/d1nj03248h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Conformational chirality is a feature that may arise from the presence of a hindered rotation around a single bond that corresponds to a stereogenic axis.
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Affiliation(s)
- Valentina Pelliccioli
- Dipartimento di Chimica, Università degli Studi di Milano, via Golgi 19, I-20133 Milan, Italy
| | - Roberta Franzini
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Università di Roma, P.le A. Moro 5, 00185 Roma, Italy
| | - Giuseppe Mazzeo
- Dipartimento di Medicina Molecolare e Traslazionale, Università di Brescia, Viale Europa 11, 25123 Brescia, Italy
| | - Claudio Villani
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Università di Roma, P.le A. Moro 5, 00185 Roma, Italy
| | - Sergio Abbate
- Dipartimento di Medicina Molecolare e Traslazionale, Università di Brescia, Viale Europa 11, 25123 Brescia, Italy
- Istituto Nazionale di Ottica (INO), CNR, Research Unit of Brescia, c/o CSMT, via Branze 45, 25123 Brescia, Italy
| | - Giovanna Longhi
- Dipartimento di Medicina Molecolare e Traslazionale, Università di Brescia, Viale Europa 11, 25123 Brescia, Italy
- Istituto Nazionale di Ottica (INO), CNR, Research Unit of Brescia, c/o CSMT, via Branze 45, 25123 Brescia, Italy
| | - Emanuela Licandro
- Dipartimento di Chimica, Università degli Studi di Milano, via Golgi 19, I-20133 Milan, Italy
| | - Silvia Cauteruccio
- Dipartimento di Chimica, Università degli Studi di Milano, via Golgi 19, I-20133 Milan, Italy
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4
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Koenis MAJ, Nicu VP, Visscher L, Kuehn C, Bremer M, Krier M, Untenecker H, Zhumaev U, Küstner B, Buma WJ. Vibrational circular dichroism studies of exceptionally strong chirality inducers in liquid crystals. Phys Chem Chem Phys 2021; 23:10021-10028. [DOI: 10.1039/d1cp00854d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Chiral dopants are used in liquid crystal displays to introduce uniform helical alignment. VCD can provide unambiguous determination of the absolute configuration and structural details of such a dopant, while X-ray crystallography fails.
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5
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Vibrational Circular Dichroism Detects Symmetry Breaking due to Conformational Mobility in C2-Symmetry Chiral Molecules and Provides Further Insight into Inter-Chromophoric Interactions. Symmetry (Basel) 2020. [DOI: 10.3390/sym12111752] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Bicyclo[3.3.1]nonane-2,6-dione (1) and bicyclo[3.3.1]nona-3,7-diene-2,6-dione (2) have been examined by vibrational circular dichroism (VCD), which, as for most C2-symmetric systems, exhibits strong VCD signals. In the case of 2, VCD signals are stronger and sharper with several bisignate doublets; for 1, signals are less intense and broader. The VCD and IR spectra are excellently predicted by DFT calculations: only one conformer is present for 2, while for 1, three main conformers, related through concerted skeleton torsional motions are present (two of them being interchanged by C2-rotation). The VCD spectrum shows specific features for the different conformers, such that correct population factors are crucial for reproducing experimental data. Also, the TD-DFT prediction of ECD (electronic circular dichroism) spectra is good. By comparing the spectroscopic signature of the two molecules (both VCD and ECD) and by careful analysis of the theoretical results, the role of the C=C double bond in compound (2) is evidenced. The double bond contributes toward enhancing the CD response both electronically and vibrationally.
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6
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Mazzeo G, Santoro E, Abbate S, Zonta C, Fabris F, Longhi G. Testing the vibrational exciton and the local mode models on the instructive cases of dicarvone, dipinocarvone, and dimenthol vibrational circular dichroism spectra. Chirality 2020; 32:907-921. [DOI: 10.1002/chir.23232] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 03/11/2020] [Accepted: 04/06/2020] [Indexed: 01/30/2023]
Affiliation(s)
- Giuseppe Mazzeo
- Dipartimento di Medicina Molecolare e TraslazionaleUniversità di Brescia Brescia Italy
| | - Ernesto Santoro
- Dipartimento di Medicina Molecolare e TraslazionaleUniversità di Brescia Brescia Italy
| | - Sergio Abbate
- Dipartimento di Medicina Molecolare e TraslazionaleUniversità di Brescia Brescia Italy
- Research Unit of BresciaIstituto Nazionale di Ottica (INO), CNR Brescia Italy
| | - Cristiano Zonta
- Dipartimento di Scienze ChimicheUniversità degli Studi di Padova Padova Italy
| | - Fabrizio Fabris
- Dipartimento di Scienze Molecolari e NanosistemiUniversità Ca' Foscari Venezia Mestre Italy
| | - Giovanna Longhi
- Dipartimento di Medicina Molecolare e TraslazionaleUniversità di Brescia Brescia Italy
- Research Unit of BresciaIstituto Nazionale di Ottica (INO), CNR Brescia Italy
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7
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Koenis MAJ, Visscher L, Buma WJ, Nicu VP. Analysis of Vibrational Circular Dichroism Spectra of Peptides: A Generalized Coupled Oscillator Approach of a Small Peptide Model Using VCDtools. J Phys Chem B 2020; 124:1665-1677. [PMID: 32037822 PMCID: PMC7061330 DOI: 10.1021/acs.jpcb.9b11261] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Vibrational circular dichroism (VCD) is one of the major spectroscopic tools to study peptides. Nevertheless, a full understanding of what determines the signs and intensities of VCD bands of these compounds in the amide I and amide II spectral regions is still far from complete. In the present work, we study the origin of these VCD signals using the general coupled oscillator (GCO) analysis, a novel approach that has recently been developed. We apply this approach to the ForValNHMe model peptide in both α-helix and β-sheet configurations. We show that the intense VCD signals observed in the amide I and amide II spectral regions essentially have the same underlying mechanism, namely, the through-space coupling of electric dipoles. The crucial role played by intramolecular hydrogen bonds in determining VCD intensities is also illustrated. Moreover, we find that the contributions to the rotational strengths, considered to be insignificant in standard VCD models, may have sizable magnitudes and can thus not always be neglected. In addition, the VCD robustness of the amide I and II modes has been investigated by monitoring the variation of the rotational strength and its contributing terms during linear transit scans and by performing calculations with different computational parameters. From these studies-and in particular, the decomposition of the rotational strength made possible by the GCO analysis-it becomes clear that one should be cautious when employing measures of robustness as proposed previously.
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Affiliation(s)
- Mark A J Koenis
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Lucas Visscher
- Amsterdam Center for Multiscale Modeling, Section Theoretical Chemistry, Faculty of Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Wybren J Buma
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands.,Institute for Molecules and Materials, FELIX Laboratory, Radboud University, Toernooiveld 7c, 6525 ED Nijmegen, The Netherlands
| | - Valentin P Nicu
- Department of Environmental Science, Physics, Physical Education and Sport, Lucian Blaga University of Sibiu, loan Ratiu Street, Nr. 7-9, 550012 Sibiu, Romania
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8
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Koenis MAJ, Visser O, Visscher L, Buma WJ, Nicu VP. GUI Implementation of VCDtools, A Program to Analyze Computed Vibrational Circular Dichroism Spectra. J Chem Inf Model 2020; 60:259-267. [PMID: 31830414 PMCID: PMC6988127 DOI: 10.1021/acs.jcim.9b00956] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
![]()
As
computing power increases, vibrational circular dichroism (VCD)
calculations on molecules of larger sizes and complexities become
possible. At the same time, the spectra resulting from these computations
become increasingly more cumbersome to analyze. Here, we describe
the GUI implementation into the Amsterdam Density Functional (ADF)
software package of VCDtools, a toolbox that provides a user-friendly
means to analyze VCD spectra. Key features are the use of the generalized
coupled oscillator analysis methods, as well as an easy visualization
of the atomic electric and magnetic transition dipole moments which
together provide detailed insight in the origin of the VCD intensity.
Using several prototypical examples we demonstrate the functionalities
of the program. In particular, we show how the spectra can be analyzed
to detect differences between theory and experiment arising from large-amplitude
motions or incorrect molecular structures and, most importantly, how
the program can be used to prevent incorrect enantiomeric assignments.
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Affiliation(s)
- Mark A J Koenis
- Van 't Hoff Institute for Molecular Sciences , University of Amsterdam , Science Park 904 , 1098 XH Amsterdam , The Netherlands
| | - Olivier Visser
- Software for Chemisty and Materials , De Boelelaan 1083 , 1081 HV Amsterdam , The Netherlands
| | - Lucas Visscher
- Amsterdam Center for Multiscale Modeling, Section Theoretical Chemistry, Faculty of Sciences , Vrije Universiteit Amsterdam , De Boelelaan 1083 , 1081 HV Amsterdam , The Netherlands
| | - Wybren J Buma
- Van 't Hoff Institute for Molecular Sciences , University of Amsterdam , Science Park 904 , 1098 XH Amsterdam , The Netherlands.,Institute for Molecules and Materials, FELIX Laboratory , Radboud University , Toernooiveld 7c , 6525 ED Nijmegen , The Netherlands
| | - Valentin P Nicu
- Department of Environmental Science, Physics, Physical Education and Sport , Lucian Blaga University of Sibiu , loan Ratiu Street, Number 7-9 , 550012 Sibiu , Romania
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9
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Monaco G, Procida G, Di Mola A, Herrebout W, Massa A. Error bounds on goodness of fit indicators in vibrational circular dichroism spectroscopy. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2019.137000] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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10
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Teodoro TQ, Koenis MAJ, Rüger R, Galembeck SE, Buma WJ, Nicu VP, Visscher L. Use of Density Functional Based Tight Binding Methods in Vibrational Circular Dichroism. J Phys Chem A 2018; 122:9435-9445. [PMID: 30452264 DOI: 10.1021/acs.jpca.8b08218] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Vibrational circular dichroism (VCD) is a spectroscopic technique used to resolve the absolute configuration of chiral systems. Obtaining a theoretical VCD spectrum requires computing atomic polar and axial tensors on top of the computationally demanding construction of the force constant matrix. In this study we evaluated a VCD model in which all necessary quantities are obtained with density functional based tight binding (DFTB) theory. The analyzed DFTB parametrizations fail at providing accurate vibrational frequencies and electric dipole gradients but yield reasonable normal modes at a fraction of the computational cost of density functional theory (DFT). Thus, by applying DFTB in composite methods along with DFT, we show that it is possible to obtain accurate VCD spectra at a much lower computational demand.
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Affiliation(s)
- T Q Teodoro
- Departamento de Química , FFCLRP, Universidade de São Paulo , Avenida Bandeirantes 3900 , Ribeirão Preto , 14040-901 São Paulo Brazil.,Amsterdam Center for Multiscale Modeling, Faculty of Science , Vrije Universiteit Amsterdam , de Boelelaan 1083 , 1081 HV Amsterdam , The Netherlands
| | - M A J Koenis
- Van't Hoff Institute for Molecular Sciences , University of Amsterdam , Science Park 904 , 1098 XH Amsterdam , The Netherlands
| | - R Rüger
- Software for Chemistry & Materials BV , De Boelelaan 1083 , 1081 HV Amsterdam , The Netherlands
| | - S E Galembeck
- Departamento de Química , FFCLRP, Universidade de São Paulo , Avenida Bandeirantes 3900 , Ribeirão Preto , 14040-901 São Paulo Brazil
| | - W J Buma
- Van't Hoff Institute for Molecular Sciences , University of Amsterdam , Science Park 904 , 1098 XH Amsterdam , The Netherlands
| | - V P Nicu
- Department of Environmental Science, Physics, Physical Education and Sport , Lucian Blaga University of Sibiu , loan Ratiu Street, Nr. 7-9 , 550012 Sibiu , Romania
| | - L Visscher
- Amsterdam Center for Multiscale Modeling, Faculty of Science , Vrije Universiteit Amsterdam , de Boelelaan 1083 , 1081 HV Amsterdam , The Netherlands
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11
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Xia Y, Koenis MAJ, Collados JF, Ortiz P, Harutyunyan SR, Visscher L, Buma WJ, Nicu VP. Regional Susceptibility in VCD Spectra to Dynamic Molecular Motions: The Case of a Benzyl α-Hydroxysilane. Chemphyschem 2018; 19:561-565. [PMID: 29244237 DOI: 10.1002/cphc.201701335] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Indexed: 01/24/2023]
Abstract
Experimental and theoretical studies of the vibrational circular dichroism (VCD) spectrum of 3-methyl-1-(methyldiphenlsilyl)-1-phenylbutan-1-ol, whose absolute configuration is key to elucidating the Brook rearrangement of tertiary benzylic α-hydroxylsilanes, are presented. It is found that the entire OH-bending region in this spectrum-a region that provides important marker bands-cannot be reproduced at all by standard theoretical approaches even though other regions are well described. Using a novel approach to disentangle contributions to the rotational strength of these bands, internal coordinates are identified that critically influence the appearance of this part of the spectrum. We show that the agreement between experiment and theory is greatly improved when structural dynamics along these coordinates are explicitly taken into account. The general applicability of the approach underlines its usefulness for structurally flexible chiral systems, a situation that is more the rule rather than the exception.
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Affiliation(s)
- Yiyin Xia
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Mark A J Koenis
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Juan F Collados
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands
| | - Pablo Ortiz
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands
| | - Syuzanna R Harutyunyan
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands
| | - Lucas Visscher
- Amsterdam Center for Multiscale Modeling, Section Theoretical Chemistry, Faculty of Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands
| | - Wybren J Buma
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Valentin P Nicu
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands.,Lucian Blaga University of Sibiu, Faculty of Agricultural Sciences, Food Industry and Environmental Protection, 7-9 Ioan Ratiu Street, 550012, Sibiu, Romania
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12
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Mazzeo G, Longhi G, Corless VB, Zajdlik A, Yudin AK, Abbate S. Vibrational Circular Dichroism Unveils Chiroptical, Electrical, and Magnetic Properties of Borylated Isocyanides and Aldehydes. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Giuseppe Mazzeo
- Dipartimento di Medicina Molecolare e Traslazionale; Università di Brescia; Viale Europa 11 25123 Brescia Italy
| | - Giovanna Longhi
- Dipartimento di Medicina Molecolare e Traslazionale; Università di Brescia; Viale Europa 11 25123 Brescia Italy
| | - Victoria B. Corless
- Davenport Research Laboratories; Department of Chemistry; University of Toronto; 80 St. George St. M5S 3H6 Toronto ON Canada
| | - Adam Zajdlik
- Davenport Research Laboratories; Department of Chemistry; University of Toronto; 80 St. George St. M5S 3H6 Toronto ON Canada
| | - Andrei K. Yudin
- Davenport Research Laboratories; Department of Chemistry; University of Toronto; 80 St. George St. M5S 3H6 Toronto ON Canada
| | - Sergio Abbate
- Dipartimento di Medicina Molecolare e Traslazionale; Università di Brescia; Viale Europa 11 25123 Brescia Italy
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13
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Taniguchi T. Analysis of Molecular Configuration and Conformation by (Electronic and) Vibrational Circular Dichroism: Theoretical Calculation and Exciton Chirality Method. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2017. [DOI: 10.1246/bcsj.20170113] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Tohru Taniguchi
- Faculty of Advanced Life Science, Frontier Research Center for Advanced Material and Life Science, Hokkaido University, Kita 21 Nishi 11, Sapporo, Hokkaido 001-0021
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14
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Covington CL, Polavarapu PL. CDSpecTech: A single software suite for multiple chiroptical spectroscopic analyses. Chirality 2017; 29:178-192. [PMID: 28403537 DOI: 10.1002/chir.22691] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Revised: 12/15/2016] [Accepted: 12/19/2016] [Indexed: 01/07/2023]
Abstract
The program CDSpecTech was developed to facilitate the analysis of chiroptical spectra, which include the following: vibrational circular dichroism (VCD) and corresponding vibrational absorption (VA) spectra; vibrational Raman optical activity (VROA) and corresponding vibrational Raman spectra; electronic circular dichroism (ECD) and corresponding electronic absorption (EA) spectra. In addition, the program allows for generating optical rotatory dispersion (ORD) as the Kramers-Kronig transform of ECD spectra. The simulation of theoretical spectra from transition strengths can be achieved using different bandshape profiles. The experimental and simulated theoretical spectra can be visually compared by displaying them together. A unique feature of CDSpecTech is performing spectral analysis using the ratio spectra; i.e., the dimensionless dissymmetry factor (DF) spectrum, which is the ratio of CD to absorption spectra, and the dimensionless circular intensity difference (CID) spectrum, which is the ratio of VROA to vibrational Raman spectra. The quantitative agreement between experimental and simulated theoretical spectra can also be assessed from the numerical similarity overlap between them. Two different similarity overlap methods are available. The program uses a graphical user interface which allows for ease of use and facilitates the analysis. All these features make CDSpecTech a valuable tool for the analysis of chiroptical spectra. The program is freely available on the World Wide Web.
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Affiliation(s)
- Cody L Covington
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee, USA
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15
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Monaco G, Aquino F, Zanasi R, Herrebout W, Bultinck P, Massa A. Model-averaging of ab initio spectra for the absolute configuration assignment via vibrational circular dichroism. Phys Chem Chem Phys 2017; 19:28028-28036. [DOI: 10.1039/c7cp05358d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unescapable errors of calculations are taken into account through a model-averaging technique, opening the way to a quantitative comparison with experiment.
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Affiliation(s)
- Guglielmo Monaco
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Via G. Paolo II
- 132
- Fisciano 84084
| | - Francesco Aquino
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Via G. Paolo II
- 132
- Fisciano 84084
| | - Riccardo Zanasi
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Via G. Paolo II
- 132
- Fisciano 84084
| | | | - Patrick Bultinck
- Department of Inorganic and Physical Chemistry
- Ghent University
- Belgium
| | - Antonio Massa
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Via G. Paolo II
- 132
- Fisciano 84084
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16
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Abbate S, Bruhn T, Pescitelli G, Longhi G. Vibrational Optical Activity of BODIPY Dimers: The Role of Magnetic–Electric Coupling in Vibrational Excitons. J Phys Chem A 2016; 121:394-400. [DOI: 10.1021/acs.jpca.6b11327] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Sergio Abbate
- Dipartimento
di Medicina Molecolare e Traslazionale, Università di Brescia, Viale Europa 11, 25123 Brescia, Italy
| | - Torsten Bruhn
- Institut
für Organische Chemie, Universität Würzburg Am Hubland, 97074 Würzburg, Germany
| | - Gennaro Pescitelli
- Dipartimento
di Chimica e Chimica Industriale, University of Pisa, Via Moruzzi
13, 56124 Pisa, Italy
| | - Giovanna Longhi
- Dipartimento
di Medicina Molecolare e Traslazionale, Università di Brescia, Viale Europa 11, 25123 Brescia, Italy
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