Tuning of Adsorption and Magnetic Properties in a Series of Self-Templated Isostructural Ni(II) Metal−Organic Frameworks

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dc.contributor.authorCortijo Montes, Miguel
dc.contributor.authorHerrero Domínguez, Santiago
dc.contributor.authorJiménez Aparicio, Reyes
dc.contributor.authorPerles Hernáez, Josefina
dc.contributor.authorPriego Bermejo, José Luis
dc.contributor.authorTorroba, Javier
dc.date.accessioned2024-01-15T12:20:47Z
dc.date.available2024-01-15T12:20:47Z
dc.date.issued2013
dc.description.abstractAn isomorphous series of five metal–organic frameworks of formula [Ni4(O2CR)(OH)2(4-pyc)5] [4-pyc = 4-pyridinecarboxylate or isonicotinate; R = C6H5 (1), 4-OMe-C6H4 (2), 2,6-(OMe)2-C6H3 (3), 3,5-(OMe)2-C6H3 (4), 3,4,5-(OMe)3-C6H2 (5)] were obtained by solvothermal reactions. These compounds display a three-dimensional framework where the nickel atoms are coordinated to the hydroxyde anions and two different organic ligands: isonicotinate and phenylcarboxylate. Both hydroxyde (μ3-OH) and phenylcarboxylate (μ3-1κO,2κO,3κO′) ligands are coordinated to nickel atoms of the same secondary building unit (SBU). The SBU consists of four edge-sharing NiA6 octahedra (A = O, N). The isonicotinate ligands, however, act as linkers between SBUs displaying three different coordination modes: μ-1κN,2κO; μ3-1κN,2κO,3κO′; and μ4-1κN,2:3κ2O,4κO′. Nitrogen adsorption measurements were done to obtain textural parameters of these microporous networks. Micropore size distributions indicate cylindrical pores with diameters of approximately 0.80 nm. The values of Brunauer–Emmett–Teller surface areas (SBET) obtained are in the range of 382–488 m2/g, and the micropore volumes are between 0.13 cm3/g and 0.19 cm3/g. Both parameters are influenced by the substitution grade and position of the methoxy groups of the phenylcarboxylate ligand. The magnetic properties, which also depend on the arylcarboxylate ligands, vary from compound 1 (with only antiferromagnetic interactions) to compound 5, which shows a spin glass behavior (Tg = 15 K).
dc.description.departmentDepto. de Química Inorgánica
dc.description.facultyFac. de Ciencias Químicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Economía y Competitividad (España)
dc.description.sponsorshipComunidad de Madrid
dc.description.statuspub
dc.identifier.citationCortijo, M.; Herrero, S.; Jiménez-Aparicio, R.; Perles, J.; Priego, J. L.; Torroba, J. Tuning of Adsorption and Magnetic Properties in a Series of Self-Templated Isostructural Ni(II) Metal−Organic Frameworks. Crystal Growth & Design 2014, 14, 716-722 DOI:10.1021/cg401590w.
dc.identifier.doi10.1021/cg401590w
dc.identifier.essn1528-7505
dc.identifier.issn1528-7483
dc.identifier.officialurlhttps://doi.org/10.1021/cg401590w
dc.identifier.urihttps://hdl.handle.net/20.500.14352/93077
dc.issue.number2
dc.journal.titleCrystal Growth and Design
dc.language.isoeng
dc.page.final722
dc.page.initial716
dc.publisherAmerican Chemical Society
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.accessRightsrestricted access
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.cdu547
dc.subject.keywordAdsorption
dc.subject.keywordLigands
dc.subject.keywordMagnetic properties
dc.subject.ucmQuímica
dc.subject.unesco2303 Química Inorgánica
dc.titleTuning of Adsorption and Magnetic Properties in a Series of Self-Templated Isostructural Ni(II) Metal−Organic Frameworks
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number14
dspace.entity.typePublication
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relation.isAuthorOfPublication.latestForDiscovery132acb8c-4bb3-439a-abd2-60dcda6f71f4
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