Raman and nuclear inelastic scattering study of the lattice dynamics of the [Fe(H2B(pz)2)2(phen)] spin crossover complex

被引：17
作者：
Rat, Sylvain [1 ,2 ]
Mikolasek, Mirko [1 ,2 ]
Costa, Jose Sanchez [1 ,2 ]
Chumakov, Aleksandr I. [3 ]
Nicolazzi, William [1 ,2 ]
Molnar, Gabor [1 ,2 ]
Salmon, Lionel [1 ,2 ]
Bousseksou, Azzedine [1 ,2 ]
机构：
[1] CNRS, LCC, Toulouse, France
[2] Univ Toulouse, UPS, INP, Toulouse, France
[3] ESRF, CS40220, F-38043 Grenoble 9, France
来源：
CHEMICAL PHYSICS LETTERS | 2016年 / 653卷
关键词：
VIBRATIONAL PROPERTIES; SYNCHROTRON-RADIATION; MAGNETIC CROSSOVER; FE(II) COMPLEXES; TRANSITION; SPECTROSCOPY; FE(PHEN)(2)(NCS)(2); IR; SPECTRA; STATE;
D O I：
10.1016/j.cplett.2016.04.014
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We report on a combined nuclear inelastic scattering and metal isotope substitution based Raman spectroscopic investigation of lattice dynamics changes associated with the spin transition in the ferrous complex [Fe(H2B(pz)(2))(2)(phen)] (pz = pyrazolyl, phen = 1,10-phenantroline). These techniques allowed us to identify Raman active metal - ligand stretching vibrations in the high spin (v(HS) = 232 cm(-1)) and low spin (v(LS) = 390 cm(-1)) states as well as to calculate associated changes of the Debye temperature (Theta(HS)(D) = 140 K, Theta(LS)(D) = 146 K), Debye sound velocity (v(HS) = 1282 m/s, v(LS) = 1300 m/s) and Young's modulus (E-HS = 4.7 GPa, E-LS = 5.2 GPa). (C) 2016 Elsevier B.V. All rights reserved.
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页码：131 / 136
页数：6
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