High-pressure spin-crossover in a dinuclear Fe(ii) complex.
| hal.structure.identifier | Department of Chemistry | |
| dc.contributor.author | SHEPHERD, Helena | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | ROSA, Patrick | |
| hal.structure.identifier | Laboratoire de chimie de coordination [LCC] | |
| dc.contributor.author | VENDIER, Laure | |
| hal.structure.identifier | DIAMOND Light source | |
| dc.contributor.author | CASATI, Nicola | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | LÉTARD, Jean-François | |
| hal.structure.identifier | Laboratoire de chimie de coordination [LCC] | |
| dc.contributor.author | BOUSSEKSOU, Azzedine | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | GUIONNEAU, Philippe | |
| hal.structure.identifier | Laboratoire de chimie de coordination [LCC] | |
| dc.contributor.author | MOLNÁR, Gábor | |
| dc.date.issued | 2012 | |
| dc.identifier.issn | 1463-9076 | |
| dc.description.abstractEn | The effect of pressure on the dinuclear spin crossover material [{Fe(bpp)(NCS)(2)}(2)(4,4'-bipy)]*2MeOH (where bpp = 2,6-bis(pyrazol-3-yl)pyridine and 4,4'-bipy = 4,4'-bipyridine, 1) has been investigated with single crystal X-ray diffraction and Raman spectroscopy using diamond anvil cell techniques. The very gradual pressure-induced spin crossover occurs between 7 and 25 kbar, and shows no evidence of crystallographic phase transitions. The pressure-induced spin transition leads to a complete LS state which is not thermally accessible. This structural evolution under pressure is in stark contrast to the previously reported thermal spin crossover behaviour, in which a symmetry-breaking, purely structural phase transition results in only partial conversion to the low spin state. This observation is attributed to the symmetry-breaking phase transition becoming unfavourable under pressure. | |
| dc.language.iso | en | |
| dc.publisher | Royal Society of Chemistry | |
| dc.subject.en | Molecular materials | |
| dc.subject.en | Spin crossover | |
| dc.subject.en | High pressure | |
| dc.subject.en | Iron | |
| dc.title.en | High-pressure spin-crossover in a dinuclear Fe(ii) complex. | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1039/c2cp23940j | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Physical Chemistry Chemical Physics | |
| bordeaux.page | 5265-5271 | |
| bordeaux.volume | 14 | |
| bordeaux.issue | 15 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00682930 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00682930v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical%20Chemistry%20Chemical%20Physics&rft.date=2012&rft.volume=14&rft.issue=15&rft.spage=5265-5271&rft.epage=5265-5271&rft.eissn=1463-9076&rft.issn=1463-9076&rft.au=SHEPHERD,%20Helena&ROSA,%20Patrick&VENDIER,%20Laure&CASATI,%20Nicola&L%C3%89TARD,%20Jean-Fran%C3%A7ois&rft.genre=article |
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