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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/2096
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dc.contributor.authorVenkataraman, Sujatha-
dc.contributor.authorVarghese, Babu-
dc.contributor.authorSadashiva, B.K.-
dc.date.accessioned2007-02-08T08:19:47Z-
dc.date.available2007-02-08T08:19:47Z-
dc.date.issued2001-
dc.identifier.citationMolecular Crystals and Liquid Crystals, 2001, Vol.357, p199-219en
dc.identifier.issn1058-725X-
dc.identifier.urihttp://hdl.handle.net/2289/2096-
dc.descriptionRestricted Accessen
dc.description.abstractWe report here the synthesis, crystal structure and Electron Paramagnetic Resonance (EPR) studies of the compound bis[l,3-di(p-n-octy1phenyI)propane- 1,3-dionato]oxovanadium(IV) abbreviated as C8(VO)C8. The molecular crystalline properties of this compound are dealt with in this paper. The compound crystallizes in the triclinic, Pi space group with a = 11.956(4), b = 15.802(5), c = 16.293(4) A, α = 103.22(2), β = 110.61(2), and γ = 90.88(3); 222. The two vanadium centers are crystallographically equivalent and the shortest V-V bond distance is 9.5803 A. The hyperfine splitting pattern in single crystal EPR spectrum clearly shows the presence of weak pair-wise magnetic interaction. The splitting originates in a combination of hyperfine and fine structure caused by dipolar and exchange coupling of nearest-neighboring molecules related by inversion through the unit cell origin. The sign and the value of the exchange coupling constant, J = + 30 G, was determined by simulation of EPR spectra. The principal g and A values obtained are gl = 1.934 and gl = 1.982, A1 = 192 G and Al = 69 G.en
dc.format.extent588401 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherGorden and Breach Science Publishers.en
dc.rights2001 OPA (Overseas Publishers Association) N.V.en
dc.subjectExchange couplingen
dc.subjectDipolar interactionen
dc.subjectHyperfine splittingen
dc.titleCrystal structure and EPR studies of Bis[1,3-Di(p-n-Octylphenyl) Propane-1,3-Dionato]Oxovanadium(IV)en
dc.typeArticleen
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