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Mn(HPO3): a new manganese (II) phosphite with a condensed structure

hal.structure.identifierDepartamento de Mineralogía-Petrología, Facultad de Ciencia y Tecnologia
dc.contributor.authorCHUNG SEU, U-Chan
hal.structure.identifierDepartamento de Química Inorgánica, Facultad de Ciencia y Tecnologia
dc.contributor.authorMESA, José L.
hal.structure.identifierDepartamento de Mineralogía-Petrología, Facultad de Ciencia y Tecnologia
dc.contributor.authorPIZARRO, José L.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorJUBERA, Veronique
hal.structure.identifierDepartamento de Química Inorgánica, Facultad de Ciencia y Tecnologia
dc.contributor.authorLEZAMA, Luis
hal.structure.identifierDepartamento de Mineralogía-Petrología, Facultad de Ciencia y Tecnologia
dc.contributor.authorARRIORTUA, María I.
hal.structure.identifierDepartamento de Química Inorgánica, Facultad de Ciencia y Tecnologia
dc.contributor.authorROJO, Teófilo
dc.date.issued2005
dc.identifier.issn0022-4596
dc.description.abstractEnA new manganese (II) phosphite with the formula Mn(HPO3) has been synthesised under mild hydrothermal conditions and autogenous pressure. Large pink coloured single crystals were obtained, allowing the resolution of the structure by x-ray diffraction. Mn(HPO3) crystallises in the P21/c monoclinic space group with a=8.036(3) Å, b=8.240(3) Å, c=10.410(3) Å, β=124.73(3)° and Z=8. The structure consists of a three-dimensional, compact framework of edge sharing MnO6 octahedra linked to phosphite groups via oxygens. The presence of the phosphite anion has been confirmed by IR spectroscopy. Mn(HPO3) presents a high thermal stability limit of 580 °C, before rapid transformation to Mn2P2O7 occurs. Photoluminescence and diffuse reflectance spectroscopy studies show the presence of high spin Mn(II) in significantly distorted octahedral coordination with Dq and Racah parameters of Dq=820, B=910 and C=3135 cm−1. The ESR spectra, performed at different temperatures, are isotropic with a g-value of 2.00(1). Magnetic measurements indicate global antiferromagnetic interactions with a ferromagnetic transition at 15 K, attributed to a canting of the antiferromagneticaly aligned spins.
dc.language.isoen
dc.publisherElsevier
dc.subject.enHydrothermal synthesis
dc.subject.enX-ray diffraction
dc.subject.enUV/v is and luminescent spectroscopies
dc.subject.enMagnetic behavior
dc.title.enMn(HPO3): a new manganese (II) phosphite with a condensed structure
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jssc.2005.06.038
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Solid State Chemistry
bordeaux.page2913-2921
bordeaux.volume178
bordeaux.issue9
bordeaux.peerReviewedoui
hal.identifierhal-00096640
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00096640v1
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