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Anion-solvent dependence of bistability in a family of meridional N-donor-ligand-containing iron(II) spin crossover complexes
| hal.structure.identifier | School of Chemistry | |
| dc.contributor.author | LEITA, Ben A. | |
| hal.structure.identifier | School of Chemistry | |
| dc.contributor.author | NEVILLE, Suzanne M. | |
| hal.structure.identifier | School of Chemistry | |
| dc.contributor.author | HALDER, Gregory J. | |
| hal.structure.identifier | School of Chemistry | |
| dc.contributor.author | MOUBARAKI, Boujemaa | |
| hal.structure.identifier | School of Chemistry | |
| dc.contributor.author | KEPERT, Cameron J. | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | LÉTARD, Jean-François | |
| hal.structure.identifier | School of Chemistry | |
| dc.contributor.author | MURRAY, Keith S. | |
| dc.date.issued | 2007 | |
| dc.identifier.issn | 0020-1669 | |
| dc.description.abstractEn | Five mononuclear spin crossover iron(II) bis-meridional ligand complexes of the general formula [Fe(L)2](X)2·solvent, have been synthesized, where X = BF4- or ClO4-; L = 2-(1-pyridin-2-ylmethyl-1H-pyrazol-3-yl)-pyrazine (picpzpz) or 2-(3-(2-pyridyl)pyrazol-1-ylmethyl)pyridine) (picpypz); solvent = MeOH or EtOH. The magnetic and structural consequences of systematic variation of meridional ligand, solvent, and anion, including a desolvated species, have been investigated. The complex [Fe(picpzpz)2](BF4)2·MeOH, 1·MeOH, displays several unique properties including a two-step spin transition with a gradual higher-temperature step (1T1/2 = 197 K) and an abrupt low-temperature step with hysteresis (2T1/2 = 91/98 K) and a metastable intermediate spin state below 70 K with quench-cooling. Removal of the solvent methanol results in the loss of the abrupt step and associated hysteresis (T1/2 = 150 K)... | |
| dc.language.iso | en | |
| dc.publisher | American Chemical Society | |
| dc.subject.en | Spin crossover | |
| dc.subject.en | Iron(II) | |
| dc.subject.en | Anion | |
| dc.subject.en | Donor acceptor | |
| dc.subject.en | Ligand | |
| dc.subject.en | Bistability | |
| dc.title.en | Anion-solvent dependence of bistability in a family of meridional N-donor-ligand-containing iron(II) spin crossover complexes | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1021/ic7010919 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Inorganic Chemistry | |
| bordeaux.page | 8784-8795 | |
| bordeaux.volume | 46 | |
| bordeaux.issue | 21 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00183860 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00183860v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Inorganic%20Chemistry&rft.date=2007&rft.volume=46&rft.issue=21&rft.spage=8784-8795&rft.epage=8784-8795&rft.eissn=0020-1669&rft.issn=0020-1669&rft.au=LEITA,%20Ben%20A.&NEVILLE,%20Suzanne%20M.&HALDER,%20Gregory%20J.&MOUBARAKI,%20Boujemaa&KEPERT,%20Cameron%20J.&rft.genre=article |
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