1
|
Jia JG, Zhao CC, Wei YF, Zhai ZM, Bao SS, Jacobson AJ, Ma J, Zheng LM. Macroscopic Helical Assembly of One-Dimensional Coordination Polymers: Helicity Inversion Triggered by Solvent Isomerism. J Am Chem Soc 2023; 145:23948-23962. [PMID: 37886816 DOI: 10.1021/jacs.3c05552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Assembling macroscopic helices with controllable chirality and understanding their formation mechanism are highly desirable but challenging tasks for artificial systems, especially coordination polymers. Here, we utilize solvents as an effective tool to induce the formation of macroscopic helices of chiral coordination polymers (CPs) and manipulate their helical sense. We chose the Ni/R-,S-BrpempH2 system with a one-dimensional tubular structure, where R-,S-BrpempH2 stands for R-,S-(1-(4-bromophenyl)ethylaminomethylphosphonic acid). The morphology of the self-assemblies can be controlled by varying the cosolvent in water, resulting in the formation of twisted ribbons of R-,S-Ni(Brpemp)(H2O)·H2O (R-,S-2T) in pure H2O; needle-like crystals of R-,S-Ni(Brpemp)(H2O)2·1/3CH3CN (R-,S-1C) in 20 vol % CH3CN/H2O; nanofibers of R-,S-Ni(Brpemp)(H2O)·H2O (R-,S-3F) in 20-40 vol % methanol/H2O or ethanol/H2O; and superhelices of R-,S-Ni(Brpemp)(H2O)·H2O (R-,S-4H or 5H) in 40 vol % propanol/H2O. Interestingly, the helicity of the superhelix can be controlled by using a propanol isomer in water. For the Ni/R-BrpempH2 system, a left-handed superhelix of R-4H(M) was obtained in 40 vol % NPA/H2O, while a right-handed superhelix of R-5H(P) was isolated in 40 vol % IPA/H2O. These results were rationalized by theoretical calculations. Adsorption studies revealed the chiral recognition behavior of these compounds. This work may contribute to the development of chiral CPs with a macroscopic helical morphology and interesting functionalities.
Collapse
Affiliation(s)
- Jia-Ge Jia
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
- Magnetism Key Laboratory of Zhejiang Province, College of Materials and Chemistry, China Jiliang University, Hangzhou 310018, P. R. China
| | - Chen-Chen Zhao
- Theoretical and Computational Chemistry Institute, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Yi-Fan Wei
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Zhi-Min Zhai
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Song-Song Bao
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Allan J Jacobson
- Department of Chemistry and Texas Center for Superconductivity, University of Houston, Houston, Texas 77204, United States
| | - Jing Ma
- Theoretical and Computational Chemistry Institute, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Li-Min Zheng
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| |
Collapse
|
2
|
Karagoz B, Payne M, Reinicker A, Kondratyuk P, Gellman AJ. A Most Enantioselective Chiral Surface: Tartaric Acid on All Surfaces Vicinal to Cu(110). LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:16438-16443. [PMID: 31729881 DOI: 10.1021/acs.langmuir.9b02476] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Enantioselective chemistry on intrinsically chiral surfaces is the quintessential form of structure-sensitive surface chemistry, arising purely from the dissymmetry of the surface structure. Identification or design of chiral surface structures that maximize enantioselectivity for a given processes is extremely challenging because of the limited magnitude of the enantiospecific interaction energetics of chiral molecules with chiral surfaces. Using spherical Cu single crystals exposing surfaces with a continuous two-dimensional distribution of crystallographic orientations, we mapped the enantiospecific surface reaction kinetics of tartaric acid decomposition across the surface orientation space. These measurements reveal both the mechanistic origin of enantioselectivity and identify the structural features of the most enantiospecific surface orientation.
Collapse
|
3
|
Karagoz B, Reinicker A, Gellman AJ. Kinetics and Mechanism of Aspartic Acid Adsorption and Its Explosive Decomposition on Cu(100). LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:2925-2933. [PMID: 30681872 DOI: 10.1021/acs.langmuir.8b03482] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The mechanism and kinetics of aspartic acid (Asp, HO2CCH(NH2)CH2CO2H) decomposition on Cu(100) have been studied using X-ray photoemission spectroscopy and temperature-programmed reaction spectroscopy. We investigate the Asp decomposition mechanism in detail using unlabeled d-Asp and isotopically labeled l-Asp-4-13C (HO2CCH(NH2)CH213CO2H), l-Asp- d7 (DO2CCD(ND2)CD2CO2D), l-Asp-2,3,3- d3 (HO2CCD(NH2)CD2CO2H), and l-Asp-15N-2,3,3- d3 (HO2CCD(15NH2)CD2CO2H). The monolayer of Asp adsorbed on the Cu(100) surface is in a doubly deprotonated bi-aspartate form (-O2CCH(NH2)CH2CO2-). During heating, Asp decomposes on Cu(100) with kinetics consistent with a vacancy-mediated explosion mechanism. The mechanistic steps yield CO2 by sequential cleavage of the C3-C4 and C1-C2 bonds, and N≡CCH3 and H2 via decomposition of the remaining CH(NH2)CH2 intermediate. Deuterium labeling has been used to demonstrate that scrambling of H(D) occurs during the decomposition to acetonitrile of the CD(NH2)CD2 intermediate formed by decarboxylation of l-Asp-2,3,3- d3 and l-Asp-15N-2,3,3- d3.
Collapse
Affiliation(s)
- Burcu Karagoz
- Department of Chemical Engineering , Carnegie Mellon University , 5000 Forbes Avenue , Pittsburgh , Pennsylvania 15213 , United States
| | - Aaron Reinicker
- Department of Chemical Engineering , Carnegie Mellon University , 5000 Forbes Avenue , Pittsburgh , Pennsylvania 15213 , United States
| | - Andrew J Gellman
- Department of Chemical Engineering , Carnegie Mellon University , 5000 Forbes Avenue , Pittsburgh , Pennsylvania 15213 , United States
- W.E. Scott Institute for Energy Innovation , 5000 Forbes Avenue , Pittsburgh , Pennsylvania 15213 , United States
| |
Collapse
|
4
|
Mairena A, Wienke M, Martin K, Avarvari N, Terfort A, Ernst KH, Wäckerlin C. Stereospecific Autocatalytic Surface Explosion Chemistry of Polycyclic Aromatic Hydrocarbons. J Am Chem Soc 2018; 140:7705-7709. [DOI: 10.1021/jacs.8b04191] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Anaïs Mairena
- Empa - Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
| | - Martin Wienke
- Department of Chemistry, University of Hamburg, 20146 Hamburg, Germany
| | - Kévin Martin
- Laboratoire Moltech Anjou, Université d’Angers, 49045 Angers, France
| | - Narcis Avarvari
- Laboratoire Moltech Anjou, Université d’Angers, 49045 Angers, France
| | - Andreas Terfort
- Department of Chemistry, Institute of Inorganic and Analytical Chemistry, Goethe-University, 60438 Frankfurt, Germany
| | - Karl-Heinz Ernst
- Empa - Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
- Department of Chemistry, University of Zurich, 8057 Zurich, Switzerland
| | - Christian Wäckerlin
- Empa - Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
| |
Collapse
|
5
|
|
6
|
Dutta S, Gellman AJ. Enantiomer surface chemistry: conglomerate versus racemate formation on surfaces. Chem Soc Rev 2018; 46:7787-7839. [PMID: 29165467 DOI: 10.1039/c7cs00555e] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Research on surface chirality is motivated by the need to develop functional chiral surfaces for enantiospecific applications. While molecular chirality in 3D has been the subject of study for almost two centuries, many aspects of 2D chiral surface chemistry have yet to be addressed. In 3D, racemic mixtures of chiral molecules tend to aggregate into racemate (molecularly heterochiral) crystals much more frequently than conglomerate (molecularly homochiral) crystals. Whether chiral adsorbates on surfaces preferentially aggregate into heterochiral rather than homochiral domains (2D crystals or clusters) is not known. In this review, we have made the first attempt to answer the following question based on available data: in 2D racemic mixtures adsorbed on surfaces, is there a clear preference for homochiral or heterochiral aggregation? The current hypothesis is that homochiral packing is preferred on surfaces; in contrast to 3D where heterochiral packing is more common. In this review, we present a simple hierarchical scheme to categorize the chirality of adsorbate-surface systems. We then review the body of work using scanning tunneling microscopy predominantly to study aggregation of racemic adsorbates. Our analysis of the existing literature suggests that there is no clear evidence of any preference for either homochiral or heterochiral aggregation at the molecular level by chiral and prochiral adsorbates on surfaces.
Collapse
Affiliation(s)
- Soham Dutta
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
| | | |
Collapse
|
7
|
Rieger A, Sax C, Bauert T, Wäckerlin C, Ernst KH. Chiral molecules adsorbed on a solid surface: Tartaric acid diastereomers and their surface explosion on Cu(111). Chirality 2018; 30:369-377. [DOI: 10.1002/chir.22819] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 12/22/2017] [Accepted: 12/28/2017] [Indexed: 01/15/2023]
Affiliation(s)
- Alexandra Rieger
- Empa, Swiss Federal Laboratories for Materials Science and Technology; Dübendorf Switzerland
| | - Cédric Sax
- Empa, Swiss Federal Laboratories for Materials Science and Technology; Dübendorf Switzerland
| | - Tobias Bauert
- Empa, Swiss Federal Laboratories for Materials Science and Technology; Dübendorf Switzerland
| | - Christian Wäckerlin
- Empa, Swiss Federal Laboratories for Materials Science and Technology; Dübendorf Switzerland
| | - Karl-Heinz Ernst
- Empa, Swiss Federal Laboratories for Materials Science and Technology; Dübendorf Switzerland
- Department of Chemistry; University of Zurich; Zürich Switzerland
| |
Collapse
|
8
|
Gladys MJ, Han JW, Pedersen TS, Tadich A, O'Donnell KM, Thomsen L. Adsorption differences between low coverage enantiomers of alanine on the chiral Cu{421} R surface. Phys Chem Chem Phys 2017; 19:13562-13570. [PMID: 28513743 DOI: 10.1039/c7cp01844d] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Chiral separation using heterogeneous methods has long been sought after. Chiral metal surfaces have the potential to make it possible to model these systems using small amino acids, the building blocks for proteins. A comparison of submonolayer concentrations of alanine enantiomers adsorbed onto Cu{421}R has revealed a large geometrical differences between the two molecules as compared to the saturated coverage. Large differences were observed in HR-XPS and NEXAFS and complemented by theoretical DFT calculations. At approximately one third of a monolayer a comparison of the C1s XPS signal showed a shift in the methyl group of more than 300 meV indicating that the two enantiomers are in different chemical environments. NEXAFS spectroscopy confirmed the XPS variations and showed large differences in the orientation of the adsorbed molecules. Our DFT results show that the l-enantiomer is energetically the most stable in the {311} microfacet configuration. In contrast to the full monolayer coverage, these lower coverages showed enhanced selectivity.
Collapse
Affiliation(s)
- Michael J Gladys
- School of Mathematical and Physical Sciences, University of Newcastle, Callaghan, NSW 2308, Australia.
| | | | | | | | | | | |
Collapse
|
9
|
Therrien AJ, Lawton TJ, Mernoff B, Lucci FR, Pushkarev VV, Gellman AJ, Sykes ECH. Chiral nanoscale pores created during the surface explosion of tartaric acid on Cu(111). Chem Commun (Camb) 2016; 52:14282-14285. [DOI: 10.1039/c6cc05820e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The autocatalytic decomposition of tartaric acid on Cu(111) exhibits unique kinetics, which are linked to a hexagonal surface structure adopted at high coverage.
Collapse
Affiliation(s)
| | - T. J. Lawton
- Department of Chemistry
- Tufts University
- Medford
- USA
| | - B. Mernoff
- Department of Chemistry
- Tufts University
- Medford
- USA
| | - F. R. Lucci
- Department of Chemistry
- Tufts University
- Medford
- USA
| | - V. V. Pushkarev
- Department of Chemical Engineering
- Carnegie Mellon University
- Pittsburgh
- USA
| | - A. J. Gellman
- Department of Chemical Engineering
- Carnegie Mellon University
- Pittsburgh
- USA
- W.E. Scott Institute for Energy Innovation
| | | |
Collapse
|
10
|
Reinicker AD, Therrien AJ, Lawton TJ, Ali R, Sykes ECH, Gellman AJ. Influence of step faceting on the enantiospecific decomposition of aspartic acid on chiral Cu surfaces vicinal to Cu{111}. Chem Commun (Camb) 2016; 52:11263-11266. [DOI: 10.1039/c6cc05957k] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The crystallographic orientation of chiral step facets created by l-aspartic acid adsorption dictates enantioselectivity on chiral surfaces vicinal to Cu{111}.
Collapse
Affiliation(s)
- A. D. Reinicker
- Department of Chemical Engineering
- Carnegie Mellon University
- Pittsburgh
- USA
| | | | - T. J. Lawton
- Department of Chemistry
- Tufts University
- Medford
- USA
| | - R. Ali
- Department of Chemistry
- Tufts University
- Medford
- USA
| | | | - A. J. Gellman
- Department of Chemical Engineering
- Carnegie Mellon University
- Pittsburgh
- USA
- W.E. Scott Institute of Energy Innovation
| |
Collapse
|
11
|
Mhatre BS, Dutta S, Reinicker A, Karagoz B, Gellman AJ. Explosive enantiospecific decomposition of aspartic acid on Cu surfaces. Chem Commun (Camb) 2016; 52:14125-14128. [DOI: 10.1039/c6cc06887a] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
R- and S-enantiomorphs of the Cu(643) surface catalyze the enantiospecific explosive decomposition of d- and l-aspartic acid.
Collapse
Affiliation(s)
- B. S. Mhatre
- Department of Chemical Engineering
- Carnegie Mellon University
- Pittsburgh
- USA
| | - S. Dutta
- Department of Chemical Engineering
- Carnegie Mellon University
- Pittsburgh
- USA
| | - A. Reinicker
- Department of Chemical Engineering
- Carnegie Mellon University
- Pittsburgh
- USA
| | - B. Karagoz
- Department of Chemical Engineering
- Carnegie Mellon University
- Pittsburgh
- USA
| | - A. J. Gellman
- Department of Chemical Engineering
- Carnegie Mellon University
- Pittsburgh
- USA
- W.E. Scott Institute for Energy Innovation
| |
Collapse
|
12
|
Azofra LM, Alkorta I, Elguero J. Chiral Discrimination in Dimers of Diphosphines PH2PH2and PH2PHF. Chemphyschem 2014; 15:3663-70. [DOI: 10.1002/cphc.201402086] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Indexed: 11/09/2022]
|
13
|
Shi XR, Wei D, Sholl D. Theoretical Study of a “Surface Explosion”: Decomposition of Acetic Acid on Rh Surfaces. ACS Catal 2014. [DOI: 10.1021/cs400826d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Xue-Rong Shi
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0100, United States
| | - Daniel Wei
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0100, United States
| | - David Sholl
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0100, United States
| |
Collapse
|
14
|
Abstract
Prochiral molecules locally induce a chiral restructuring of the Cu(110) surface that persists after removal of the molecules.
Collapse
Affiliation(s)
- Chrysanthi Karageorgaki
- Empa
- Swiss Federal Laboratories for Materials Science and Technology
- CH-8600 Dübendorf, Switzerland
| | - Karl-Heinz Ernst
- Empa
- Swiss Federal Laboratories for Materials Science and Technology
- CH-8600 Dübendorf, Switzerland
- Department of Chemistry
- University of Zurich
| |
Collapse
|
15
|
Gellman AJ, Huang Y, Feng X, Pushkarev VV, Holsclaw B, Mhatre BS. Superenantioselective Chiral Surface Explosions. J Am Chem Soc 2013; 135:19208-14. [DOI: 10.1021/ja408659v] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Andrew J. Gellman
- Department
of Chemical Engineering, Carnegie Mellon University, 5000 Forbes
Avenue, Pittsburgh, Pennsylvania 15213, United States
- National Energy Technology Laboratory, US Department
of Energy, P.O. Box 10940, Pittsburgh, Pennyslvania 15236, United States
| | - Ye Huang
- Department
of Chemical Engineering, Carnegie Mellon University, 5000 Forbes
Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Xu Feng
- Department
of Chemical Engineering, Carnegie Mellon University, 5000 Forbes
Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Vladimir V. Pushkarev
- Department
of Chemical Engineering, Carnegie Mellon University, 5000 Forbes
Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Brian Holsclaw
- Department
of Chemical Engineering, Carnegie Mellon University, 5000 Forbes
Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Bharat S. Mhatre
- Department
of Chemical Engineering, Carnegie Mellon University, 5000 Forbes
Avenue, Pittsburgh, Pennsylvania 15213, United States
| |
Collapse
|
16
|
Palmer MR, Hagerman JM, Matano LM, DeWitt KM, Zhang Y. Thermodynamic analysis and fluorescence imaging of homochiral amino acid–amino acid interactions at the air/water interface. J Colloid Interface Sci 2013; 408:235-41. [DOI: 10.1016/j.jcis.2013.07.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Revised: 07/02/2013] [Accepted: 07/03/2013] [Indexed: 01/25/2023]
|
17
|
Yun Y, Gellman AJ. Enantioselective Separation on Naturally Chiral Metal Surfaces:d,l-Aspartic Acid on Cu(3,1,17)R&SSurfaces. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201209025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
18
|
Yun Y, Gellman AJ. Enantioselective Separation on Naturally Chiral Metal Surfaces:d,l-Aspartic Acid on Cu(3,1,17)R&SSurfaces. Angew Chem Int Ed Engl 2013; 52:3394-7. [DOI: 10.1002/anie.201209025] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Indexed: 11/09/2022]
|
19
|
Del Bene JE, Sanchez-Sanz G, Alkorta I, Elguero J. Homo- and heterochiral dimers (PHFX)2, X=Cl, CN, CH3, NC: To what extent do they differ? Chem Phys Lett 2012. [DOI: 10.1016/j.cplett.2012.04.039] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
20
|
|
21
|
Roth C, Parschau M, Ernst KH. Chiral Reconstruction of a Metal Surface by Adsorption of Racemic Malic Acid. Chemphyschem 2011; 12:1572-7. [DOI: 10.1002/cphc.201000961] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2010] [Indexed: 11/10/2022]
|
22
|
Yang B, Wang Y, Cun H, Du S, Xu M, Wang Y, Ernst KH, Gao HJ. Direct Observation of Enantiospecific Substitution in a Two-Dimensional Chiral Phase Transition. J Am Chem Soc 2010; 132:10440-4. [DOI: 10.1021/ja102989y] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bing Yang
- Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China, Key Lab of Supramolecular Structure and Materials, Jilin University, Changchun 130023, China, and Empa, Swiss Federal Laboratories for Materials Testing and Research, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Yeliang Wang
- Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China, Key Lab of Supramolecular Structure and Materials, Jilin University, Changchun 130023, China, and Empa, Swiss Federal Laboratories for Materials Testing and Research, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Huanyao Cun
- Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China, Key Lab of Supramolecular Structure and Materials, Jilin University, Changchun 130023, China, and Empa, Swiss Federal Laboratories for Materials Testing and Research, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Shixuan Du
- Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China, Key Lab of Supramolecular Structure and Materials, Jilin University, Changchun 130023, China, and Empa, Swiss Federal Laboratories for Materials Testing and Research, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Mingchun Xu
- Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China, Key Lab of Supramolecular Structure and Materials, Jilin University, Changchun 130023, China, and Empa, Swiss Federal Laboratories for Materials Testing and Research, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Yue Wang
- Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China, Key Lab of Supramolecular Structure and Materials, Jilin University, Changchun 130023, China, and Empa, Swiss Federal Laboratories for Materials Testing and Research, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Karl-Heinz Ernst
- Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China, Key Lab of Supramolecular Structure and Materials, Jilin University, Changchun 130023, China, and Empa, Swiss Federal Laboratories for Materials Testing and Research, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Hong-Jun Gao
- Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China, Key Lab of Supramolecular Structure and Materials, Jilin University, Changchun 130023, China, and Empa, Swiss Federal Laboratories for Materials Testing and Research, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| |
Collapse
|
23
|
Xu W, Cheng Z, Zhang L, Zhang Z, Zhu J, Zhou N, Zhu X. Synthesis and properties of crosslinked chiral nanoparticles via RAFT miniemulsion polymerization. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/pola.23893] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
24
|
Roth C, Passerone D, Ernst KH. Pasteur's quasiracemates in 2D: chiral conflict between structurally different enantiomers induces single-handed enantiomorphism. Chem Commun (Camb) 2010; 46:8645-7. [DOI: 10.1039/c0cc03060k] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
25
|
Abstract
Abstract
Phenomena like transfer, expression and amplification of chirality in molecular monolayers are reviewed. Chirality can be bestowed onto achiral surfaces by adsorption of chiral molecules. This offers a good opportunity to study two-dimensional chiral crystallization phenomena, like lateral resolution of enantiomers or the transfer of handedness from single molecules into mesoscopic ensembles at high resolution with scanning probe microscopy. Induction of homochirality on surfaces via cooperatively amplified interactions in molecular monolayers is a new phenomenon of supramolecular surface chirality. Prochiral molecules will turn into either handedness upon adsorption, but doping with intrinsically chiral molecules breaks this symmetry and induces homochirality. A similar effect is induced by a small enantiomeric excess. The excess molecules provide the chiral bias that becomes amplified into single lattice chirality.
Collapse
|
26
|
|
27
|
Parschau M, Behzadi B, Romer S, Ernst KH. Stereoisomeric influence on 2D lattice structure: achiralmeso-tartaric acidversus chiral tartaric acid. SURF INTERFACE ANAL 2006. [DOI: 10.1002/sia.2426] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
28
|
Romer S, Behzadi B, Fasel R, Ernst KH. Homochiral Conglomerates and Racemic Crystals in Two Dimensions: Tartaric Acid on Cu(110). Chemistry 2005; 11:4149-54. [PMID: 15861485 DOI: 10.1002/chem.200400962] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Two-dimensional lattice structures formed by racemic tartaric acid on a single crystalline Cu(110) surface have been studied and compared with the enantiopure lattices. At low coverage, the doubly deprotonated bitartrate species is separated into two-dimensional conglomerates showing opposite enantiomorphism. At higher coverage, however, a singly deprotonated monotartrate species forms a heterochiral, racemic crystal lattice. While the enantioseparated bitartrate system undergoes decomposition at the same temperature as the enantiopure system, the racemic monotartrate lattice has a lower thermal stability than the enantiopure lattice of identical periodicity and surface density. At monolayer saturation coverage, the pure enantiomers form a denser lattice than the racemate. This is in contrast to the three-dimensional tartaric acid crystals, where the racemate crystallizes in a lattice of higher density, which is also more thermally stable than the enantiopure tartaric acid crystals.
Collapse
Affiliation(s)
- Sara Romer
- Nanoscale Materials Science, Swiss Federal Institute for Materials Science and Technology (EMPA), Dübendorf, Switzerland
| | | | | | | |
Collapse
|
29
|
|
30
|
Parschau M, Romer S, Ernst KH. Induction of Homochirality in Achiral Enantiomorphous Monolayers. J Am Chem Soc 2004; 126:15398-9. [PMID: 15563164 DOI: 10.1021/ja044136z] [Citation(s) in RCA: 117] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We report the induction of homochirality in enantiomorphous layers of achiral succinic acid on a Cu(110) surface after doping with tartaric acid (TA) enantiomers. Succinic acid becomes chiral upon adsorption due to symmetry-breaking interactions with the Cu(110) surface. The doubly deprotonated bisuccinate forms mirror domains on the surface, which leads to a superposition of (11,-90) and (90,-11) patterns observed by low-energy electron diffraction (LEED). On average, however, the surface layer is racemic. An amount of 2 mol % of (R,R)- or (S,S)-tartaric acid in the monolayer, corresponding to an absolute coverage of 0.001 tartaric acid molecule per surface copper atom, is sufficient to make the LEED spots of one enantiomorphous lattice disappear. After thermally induced desorption of TA, the succinic acid lattice turns racemic again. In analogy to the "sergeants-and-soldiers" principle described for helical polymers, this effect is explained by a lateral cooperative interaction within the two-dimensional lattice.
Collapse
Affiliation(s)
- Manfred Parschau
- Swiss Federal Laboratories for Materials Research (EMPA), Molecular Surface Technologies-125, Uberlandstrasse 129, CH 8600 Dübendorf, Switzerland
| | | | | |
Collapse
|