Spin- and phase transition in the spin crossover complex [Fe(ptz)6](BF4)2 studied by nuclear inelastic scattering of synchrotron radiation and by DFT calculations

Lars H. Böttger, Aleksandr I. Chumakov, C. Matthias Grunert, Philipp Gütlich*, Joachim Kusz, Hauke Paulsen, Ulrich Ponkratz, Ventzislav Rusanov, Alfred X. Trautwein, Juliusz A. Wolny

*Korrespondierende/r Autor/-in für diese Arbeit
27 Zitate (Scopus)

Abstract

Nuclear inelastic scattering (NIS) spectra of [Fe(ptz)6](BF4)2 (ptz = 1-n-propyl-tetrazole) have been measured for five phases differing in spin state and crystallographic structure. Different spectral patterns have been found for the low-spin and high-spin phases and are described in terms of normal coordinate analysis of the complex molecule. For both low-spin and high-spin phases the conversion from ordered to disordered phase results in splitting of the observed NIS bands. Packing becomes visible in the NIS spectra via coupling of the Fe-N stretching vibrations with those of the terminal n-propyl groups. The DFT-based normal coordinate analysis also reveals the character of Raman markers.

OriginalspracheEnglisch
ZeitschriftChemical Physics Letters
Jahrgang429
Ausgabenummer1-3
Seiten (von - bis)189-193
Seitenumfang5
ISSN0009-2614
DOIs
PublikationsstatusVeröffentlicht - 29.09.2006

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