Cargando…
Molecular multifunctionality preservation upon surface deposition for a chiral single-molecule magnet
The synthesis and characterization of a chiral, enneanuclear Mn(iii)-based, Single-Molecule Magnet, [Mn(9)O(4)(Me-sao)(6)(L)(3)(MeO)(3)(MeOH)(3)]Cl (1; Me-saoH(2) = methylsalicylaldoxime, HL = lipoic acid) is reported. Compound 1 crystallizes in the orthorhombic P2(1)2(1)2(1) space group and consist...
Autores principales: | , , , , , , , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Royal Society of Chemistry
2019
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6428142/ https://www.ncbi.nlm.nih.gov/pubmed/30996888 http://dx.doi.org/10.1039/c8sc04917c |
_version_ | 1783405359976677376 |
---|---|
author | Mitcov, Dmitri Pedersen, Anders H. Ceccato, Marcel Gelardi, Rikke M. Hassenkam, Tue Konstantatos, Andreas Reinholdt, Anders Sørensen, Mikkel A. Thulstrup, Peter W. Vinum, Morten G. Wilhelm, Fabrice Rogalev, Andrei Wernsdorfer, Wolfgang Brechin, Euan K. Piligkos, Stergios |
author_facet | Mitcov, Dmitri Pedersen, Anders H. Ceccato, Marcel Gelardi, Rikke M. Hassenkam, Tue Konstantatos, Andreas Reinholdt, Anders Sørensen, Mikkel A. Thulstrup, Peter W. Vinum, Morten G. Wilhelm, Fabrice Rogalev, Andrei Wernsdorfer, Wolfgang Brechin, Euan K. Piligkos, Stergios |
author_sort | Mitcov, Dmitri |
collection | PubMed |
description | The synthesis and characterization of a chiral, enneanuclear Mn(iii)-based, Single-Molecule Magnet, [Mn(9)O(4)(Me-sao)(6)(L)(3)(MeO)(3)(MeOH)(3)]Cl (1; Me-saoH(2) = methylsalicylaldoxime, HL = lipoic acid) is reported. Compound 1 crystallizes in the orthorhombic P2(1)2(1)2(1) space group and consists of a metallic skeleton describing a defect super-tetrahedron missing one vertex. The chirality of the [Mn(III)(9)] core originates from the directional bridging of the Me-sao(2–) ligands via the –N–O– oximate moieties, which define a clockwise (1ΔΔ) or counter-clockwise (1ΛΛ) rotation in both the upper [Mn(III)(3)] and lower [Mn(III)(6)] subunits. Structural integrity and retention of chirality upon dissolution and upon deposition on (a) gold nanoparticles, 1@AuNPs, (b) transparent Au(111) surfaces, 1ΛΛ@t-Au(111); 1ΔΔ@t-Au(111), and (c) epitaxial Au(111) on mica surfaces, 1@e-Au(111), was confirmed by CD and IR spectroscopies, mass spectrometry, TEM, XPS, XAS, and AFM. Magnetic susceptibility and magnetization measurements demonstrate the simultaneous retention of SMM behaviour and optical activity, from the solid state, via dissolution, to the surface deposited species. |
format | Online Article Text |
id | pubmed-6428142 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | Royal Society of Chemistry |
record_format | MEDLINE/PubMed |
spelling | pubmed-64281422019-04-17 Molecular multifunctionality preservation upon surface deposition for a chiral single-molecule magnet Mitcov, Dmitri Pedersen, Anders H. Ceccato, Marcel Gelardi, Rikke M. Hassenkam, Tue Konstantatos, Andreas Reinholdt, Anders Sørensen, Mikkel A. Thulstrup, Peter W. Vinum, Morten G. Wilhelm, Fabrice Rogalev, Andrei Wernsdorfer, Wolfgang Brechin, Euan K. Piligkos, Stergios Chem Sci Chemistry The synthesis and characterization of a chiral, enneanuclear Mn(iii)-based, Single-Molecule Magnet, [Mn(9)O(4)(Me-sao)(6)(L)(3)(MeO)(3)(MeOH)(3)]Cl (1; Me-saoH(2) = methylsalicylaldoxime, HL = lipoic acid) is reported. Compound 1 crystallizes in the orthorhombic P2(1)2(1)2(1) space group and consists of a metallic skeleton describing a defect super-tetrahedron missing one vertex. The chirality of the [Mn(III)(9)] core originates from the directional bridging of the Me-sao(2–) ligands via the –N–O– oximate moieties, which define a clockwise (1ΔΔ) or counter-clockwise (1ΛΛ) rotation in both the upper [Mn(III)(3)] and lower [Mn(III)(6)] subunits. Structural integrity and retention of chirality upon dissolution and upon deposition on (a) gold nanoparticles, 1@AuNPs, (b) transparent Au(111) surfaces, 1ΛΛ@t-Au(111); 1ΔΔ@t-Au(111), and (c) epitaxial Au(111) on mica surfaces, 1@e-Au(111), was confirmed by CD and IR spectroscopies, mass spectrometry, TEM, XPS, XAS, and AFM. Magnetic susceptibility and magnetization measurements demonstrate the simultaneous retention of SMM behaviour and optical activity, from the solid state, via dissolution, to the surface deposited species. Royal Society of Chemistry 2019-01-24 /pmc/articles/PMC6428142/ /pubmed/30996888 http://dx.doi.org/10.1039/c8sc04917c Text en This journal is © The Royal Society of Chemistry 2019 http://creativecommons.org/licenses/by-nc/3.0/ This article is freely available. This article is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported Licence (CC BY-NC 3.0) |
spellingShingle | Chemistry Mitcov, Dmitri Pedersen, Anders H. Ceccato, Marcel Gelardi, Rikke M. Hassenkam, Tue Konstantatos, Andreas Reinholdt, Anders Sørensen, Mikkel A. Thulstrup, Peter W. Vinum, Morten G. Wilhelm, Fabrice Rogalev, Andrei Wernsdorfer, Wolfgang Brechin, Euan K. Piligkos, Stergios Molecular multifunctionality preservation upon surface deposition for a chiral single-molecule magnet |
title | Molecular multifunctionality preservation upon surface deposition for a chiral single-molecule magnet
|
title_full | Molecular multifunctionality preservation upon surface deposition for a chiral single-molecule magnet
|
title_fullStr | Molecular multifunctionality preservation upon surface deposition for a chiral single-molecule magnet
|
title_full_unstemmed | Molecular multifunctionality preservation upon surface deposition for a chiral single-molecule magnet
|
title_short | Molecular multifunctionality preservation upon surface deposition for a chiral single-molecule magnet
|
title_sort | molecular multifunctionality preservation upon surface deposition for a chiral single-molecule magnet |
topic | Chemistry |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6428142/ https://www.ncbi.nlm.nih.gov/pubmed/30996888 http://dx.doi.org/10.1039/c8sc04917c |
work_keys_str_mv | AT mitcovdmitri molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT pedersenandersh molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT ceccatomarcel molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT gelardirikkem molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT hassenkamtue molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT konstantatosandreas molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT reinholdtanders molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT sørensenmikkela molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT thulstruppeterw molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT vinummorteng molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT wilhelmfabrice molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT rogalevandrei molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT wernsdorferwolfgang molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT brechineuank molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet AT piligkosstergios molecularmultifunctionalitypreservationuponsurfacedepositionforachiralsinglemoleculemagnet |