Temperature- and pressure-dependent structural study of {Fe(pmd)2[Ag(CN)2]2}n spin-crossover compound by neutron laue diffraction

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dc.contributor.authorRodríguez-Velamazán, JAen_AU
dc.contributor.authorCanadillas-Delgado, Len_AU
dc.contributor.authorCastro, Men_AU
dc.contributor.authorMcIntyre, GJen_AU
dc.contributor.authorReal, JAen_AU
dc.date.accessioned2016-10-24T23:23:32Zen_AU
dc.date.available2016-10-24T23:23:32Zen_AU
dc.date.issued2014-06-04en_AU
dc.date.statistics2016-10-25en_AU
dc.description.abstractThe effect of pressure (up to 0.17 GPa) on the spin-crossover compound {Fe(pmd)2[Ag(CN)2]2}n [orthorhombic isomer (II), pmd = pyrimidine] has been investigated by temperature- and pressure-dependent neutron Laue diffraction and magnetometry. The cooperative high-spin [left right arrow] low-spin transition, centred at ca 180 K at ambient pressure, is shifted to higher temperatures as pressure is applied, showing a moderate sensitivity of the compound to pressure, since the spin transition is displaced by ca 140 K GPa-1. The space-group symmetry (orthorhombic Pccn) remains unchanged over the pressure-temperature (P-T) range studied. The main structural consequence of the high-spin to low-spin transition is the contraction of the distorted octahedral [FeN6] chromophores, being more marked in the axial positions (occupied by the pmd units), than in the equatorial positions (occupied by four [Ag(CN)2]- bridging ligands). © 1999-2020 John Wiley & Sons, Inc.en_AU
dc.identifier.citationRodriguez-Velamazan, J. A., Canadillas-Delgado, L., Castro, M., McIntyre, G. J., & Real, J. A. (2014). Temperature- and pressure-dependent structural study of {Fe(pmd)2[Ag(CN)2]2}n spin-crossover compound by neutron laue diffraction. Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials, 70(3), 436-443. doi: http://dx.doi.org/10.1107/S2052520614003023en_AU
dc.identifier.govdoc7399en_AU
dc.identifier.issn2052-5206en_AU
dc.identifier.issue3en_AU
dc.identifier.journaltitleActa Crystallographica Section B: Structural Science, Crystal Engineering and Materialsen_AU
dc.identifier.pagination436-443en_AU
dc.identifier.urihttp://dx.doi.org/10.1107/S2052520614003023en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/7877en_AU
dc.identifier.volume70en_AU
dc.language.isoenen_AU
dc.publisherWileyen_AU
dc.subjectOrthorhombic latticesen_AU
dc.subjectMagnetismen_AU
dc.subjectLaue methoden_AU
dc.subjectNeutron diffractionen_AU
dc.subjectCrystallographyen_AU
dc.subjectSpinen_AU
dc.titleTemperature- and pressure-dependent structural study of {Fe(pmd)2[Ag(CN)2]2}n spin-crossover compound by neutron laue diffractionen_AU
dc.typeJournal Articleen_AU
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