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dc.contributor.author
Bernini, Maria Celeste
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dc.contributor.author
Platero Prats, Ana E.
dc.contributor.author
Snejko, Natalia
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Gutierrez Puebla, Enrique
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Labrador, Ana
dc.contributor.author
Saez Puche, Regino
dc.contributor.author
Romero de Paz, Julio
dc.contributor.author
Monge, M. Angeles
dc.date.available
2017-03-20T16:47:41Z
dc.date.issued
2012-05
dc.identifier.citation
Bernini, Maria Celeste; Platero Prats, Ana E.; Snejko, Natalia; Gutierrez Puebla, Enrique; Labrador, Ana; et al.; Tuning the magnetic properties of transition metal MOFs by metal–oxygen condensation control: the relation between synthesis temperature, SBU nuclearity and carboxylate geometry; Royal Society Of Chemistry; Crystengcomm; 14; 17; 5-2012; 5493-5504
dc.identifier.issn
1466-8033
dc.identifier.uri
http://hdl.handle.net/11336/14077
dc.description.abstract
Five novel metal organic frameworks, belonging to three structural types, have been obtained hydrothermally. Three of them, with formula [M3(hfipbb)2(OH)2(H2O)] (M = Mn, Co, Ni; hfipbb = 4,4′-(hexafluoroisopropylidene)bis(benzoate) dianion) belong to the first structural type. The crystal structure of the Mn-based compound was obtained from single crystal synchrotron X-ray diffraction data, while the isostructural compounds of Co and Ni were studied by means of Rietveld analysis using powder X-ray diffraction data. The magnetic behavior of the compounds with M = Co and Ni is characterized by the onset of long-range ferromagnetic order at very low temperature with Curie temperatures near 8 and 2.5 K, respectively. Such spontaneous magnetization seems to be preceded by low-dimensional magnetic interactions, due to the nature of the secondary building units (SBUs) of the structure, which are triple chains built by M3O14 units. Structural and topological analyses of [Mn2(hfipbb)2(H2hfipbb)] and [Co2(hfipbb)2(H2hfipbb)] (2 and 3 structural types, respectively; H2hfipbb = 4,4′-(hexafluoroisopropylidene)bis(benzoic acid)) demonstrate that the packing of the rod-shaped SBUs in 2 prevents the framework interpenetration giving rise to a bnn net whereas 3 is a 2-fold interpenetrated pcu net with isolated paddle-wheel clusters as SBUs pcu. Concerning the magnetic behavior of 2 and 3, antiferromagnetic interactions observed at very low temperature (magnetic susceptibility maximum at 2.8 and 18 K, respectively) are confined to the secondary building units.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Royal Society Of Chemistry
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Mofs
dc.subject
Magnetism
dc.subject
Hexafluoroisopropylidenebis(Benzoic) Acid
dc.subject
Topology
dc.subject.classification
Química Inorgánica y Nuclear
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dc.subject.classification
Ciencias Químicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Tuning the magnetic properties of transition metal MOFs by metal–oxygen condensation control: the relation between synthesis temperature, SBU nuclearity and carboxylate geometry
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-11-24T19:23:14Z
dc.journal.volume
14
dc.journal.number
17
dc.journal.pagination
5493-5504
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Cambridge
dc.description.fil
Fil: Bernini, Maria Celeste. Universidad Nacional de San Luis; Argentina. Instituto de Ciencia de Materiales de Madrid; España. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis; Argentina
dc.description.fil
Fil: Platero Prats, Ana E.. Instituto de Ciencia de Materiales de Madrid; España
dc.description.fil
Fil: Snejko, Natalia. Instituto de Ciencia de Materiales de Madrid; España
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Fil: Gutierrez Puebla, Enrique. Instituto de Ciencia de Materiales de Madrid; España
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Fil: Labrador, Ana. BM16-LLS European Synchrotron Radiation Facility; Francia
dc.description.fil
Fil: Saez Puche, Regino. Universidad Complutense de Madrid; España
dc.description.fil
Fil: Romero de Paz, Julio. Universidad Complutense de Madrid; España
dc.description.fil
Fil: Monge, M. Angeles. Instituto de Ciencia de Materiales de Madrid; España
dc.journal.title
Crystengcomm
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/content/articlelanding/2012/ce/c2ce06563k#!divAbstract
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1039/C2CE06563K
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