Spin transition in heptanuclear star-shaped iron(III)-antimony(V) NCS- and CN-bridged compounds

Research output: Contribution to journalArticleResearchpeer review

Authors

  • F. Renz
  • C. Zaba
  • L. Roßberg
  • St Jung
  • M. Klein
  • G. Klingelhöfer
  • A. Wünsche
  • S. Reinhardt
  • M. Menzel

Research Organisations

External Research Organisations

  • Johannes Gutenberg University Mainz
  • BAM Federal Institute for Materials Research and Testing
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Details

Original languageEnglish
Pages (from-to)2036-2038
Number of pages3
JournalPOLYHEDRON
Volume28
Issue number9-10
Publication statusPublished - 22 Jun 2009

Abstract

The precursor [FeIII(L)Cl] (LH2 = N,N′-bis(2′-hydroxy-benzyliden)-1,6-diamino-3-azahexane) has been prepared and Mössbauer spectroscopy assigned a high-spin (S = 5/2) state at room temperature. The precursor is combined with the bridging units [SbV(X)6]- (X = CN-, NCS-) to yield star-shaped heptanuclear clusters [(LFeIII-X)6SbV]Cl5. The star-shaped compounds are in general high-spin systems at room temperature. On cooling to 20 K some of the iron(III) centers switch to the low-spin state as indicated by Mössbauer spectroscopy, i.e. multiple electronic transitions. While the cyano-bridged complex performs a multiple spin transition the thiocyanate-compound shows no significant population at both temperatures.

Keywords

    Heptanuclear, High-spin molecule, Multiple spin transition, Multistability, Sb

ASJC Scopus subject areas

Cite this

Spin transition in heptanuclear star-shaped iron(III)-antimony(V) NCS- and CN-bridged compounds. / Renz, F.; Zaba, C.; Roßberg, L. et al.
In: POLYHEDRON, Vol. 28, No. 9-10, 22.06.2009, p. 2036-2038.

Research output: Contribution to journalArticleResearchpeer review

Renz, F, Zaba, C, Roßberg, L, Jung, S, Klein, M, Klingelhöfer, G, Wünsche, A, Reinhardt, S & Menzel, M 2009, 'Spin transition in heptanuclear star-shaped iron(III)-antimony(V) NCS- and CN-bridged compounds', POLYHEDRON, vol. 28, no. 9-10, pp. 2036-2038. https://doi.org/10.1016/j.poly.2008.12.027
Renz, F., Zaba, C., Roßberg, L., Jung, S., Klein, M., Klingelhöfer, G., Wünsche, A., Reinhardt, S., & Menzel, M. (2009). Spin transition in heptanuclear star-shaped iron(III)-antimony(V) NCS- and CN-bridged compounds. POLYHEDRON, 28(9-10), 2036-2038. https://doi.org/10.1016/j.poly.2008.12.027
Renz F, Zaba C, Roßberg L, Jung S, Klein M, Klingelhöfer G et al. Spin transition in heptanuclear star-shaped iron(III)-antimony(V) NCS- and CN-bridged compounds. POLYHEDRON. 2009 Jun 22;28(9-10):2036-2038. doi: 10.1016/j.poly.2008.12.027
Renz, F. ; Zaba, C. ; Roßberg, L. et al. / Spin transition in heptanuclear star-shaped iron(III)-antimony(V) NCS- and CN-bridged compounds. In: POLYHEDRON. 2009 ; Vol. 28, No. 9-10. pp. 2036-2038.
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abstract = "The precursor [FeIII(L)Cl] (LH2 = N,N′-bis(2′-hydroxy-benzyliden)-1,6-diamino-3-azahexane) has been prepared and M{\"o}ssbauer spectroscopy assigned a high-spin (S = 5/2) state at room temperature. The precursor is combined with the bridging units [SbV(X)6]- (X = CN-, NCS-) to yield star-shaped heptanuclear clusters [(LFeIII-X)6SbV]Cl5. The star-shaped compounds are in general high-spin systems at room temperature. On cooling to 20 K some of the iron(III) centers switch to the low-spin state as indicated by M{\"o}ssbauer spectroscopy, i.e. multiple electronic transitions. While the cyano-bridged complex performs a multiple spin transition the thiocyanate-compound shows no significant population at both temperatures.",
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T1 - Spin transition in heptanuclear star-shaped iron(III)-antimony(V) NCS- and CN-bridged compounds

AU - Renz, F.

AU - Zaba, C.

AU - Roßberg, L.

AU - Jung, St

AU - Klein, M.

AU - Klingelhöfer, G.

AU - Wünsche, A.

AU - Reinhardt, S.

AU - Menzel, M.

N1 - Funding Information: This work was partly funded by the University of Mainz (“Forschungsfond”; MWFZ), the Leibniz University of Hannover, and the “Deutsche Forschungsgemeinschaft” (DFG: Re-1627/1-3).

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N2 - The precursor [FeIII(L)Cl] (LH2 = N,N′-bis(2′-hydroxy-benzyliden)-1,6-diamino-3-azahexane) has been prepared and Mössbauer spectroscopy assigned a high-spin (S = 5/2) state at room temperature. The precursor is combined with the bridging units [SbV(X)6]- (X = CN-, NCS-) to yield star-shaped heptanuclear clusters [(LFeIII-X)6SbV]Cl5. The star-shaped compounds are in general high-spin systems at room temperature. On cooling to 20 K some of the iron(III) centers switch to the low-spin state as indicated by Mössbauer spectroscopy, i.e. multiple electronic transitions. While the cyano-bridged complex performs a multiple spin transition the thiocyanate-compound shows no significant population at both temperatures.

AB - The precursor [FeIII(L)Cl] (LH2 = N,N′-bis(2′-hydroxy-benzyliden)-1,6-diamino-3-azahexane) has been prepared and Mössbauer spectroscopy assigned a high-spin (S = 5/2) state at room temperature. The precursor is combined with the bridging units [SbV(X)6]- (X = CN-, NCS-) to yield star-shaped heptanuclear clusters [(LFeIII-X)6SbV]Cl5. The star-shaped compounds are in general high-spin systems at room temperature. On cooling to 20 K some of the iron(III) centers switch to the low-spin state as indicated by Mössbauer spectroscopy, i.e. multiple electronic transitions. While the cyano-bridged complex performs a multiple spin transition the thiocyanate-compound shows no significant population at both temperatures.

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