Magnetic, 57Fe Mössbauer, and IR Monitoring of the Thermal Spin Transition in a New Family of Iron(II) Spin-Transition Complexes

2003 ◽  
Vol 2003 (12) ◽  
pp. 2273-2282 ◽  
Author(s):  
Arno F. Stassen ◽  
Matthias Grunert ◽  
Eva Dova ◽  
Martin Müller ◽  
Peter Weinberger ◽  
...  
Keyword(s):  
Spin Transition ◽  
57Fe Mössbauer ◽  
New Family ◽  
Transition Complexes

Energetics of Binuclear Spin Transition Complexes

2005 ◽  
Vol 127 (46) ◽  
pp. 16197-16201 ◽  
Author(s):  
Samir Zein ◽  
Serguei A. Borshch
Keyword(s):  
Spin Transition ◽  
Transition Complexes

scholarly journals Iron(III) Azadiphenolate Compounds in a New Family of Spin Crossover Iron(II)–Iron(III) Mixed-Valent Complexes

2019 ◽  
Vol 5 (2) ◽  
pp. 37 ◽  
Author(s):  
Wasinee Phonsri ◽  
David S. Macedo ◽  
Barnaby A. I. Lewis ◽  
Declan F. Wain ◽  
Keith S. Murray
Keyword(s):  
Crystal Structures ◽  
Spin Crossover ◽  
Crystal Packing ◽  
Spin Transition ◽  
Double Salt ◽  
Magnetic Studies ◽  
Cationic Precursor ◽  
New Family ◽  
Double Spin ◽  
Crystal Design

A new family of mixed valent, double salt spin crossover compounds containing anionic FeIII and cationic FeII compounds i.e., [FeII{(pz)3CH}2][FeIII(azp)2]2·2H2O (4), [FeII(TPPZ)2][FeIII(azp)2]2]·H2O (5) and [FeII(TPPZ)2][FeIII(azp)2]2]·H2O·3MeCN (6) (where (pz)3CH = tris-pyrazolylmethane, TPPZ = 2,3,5,6, tetrapyridylpyrazine and azp2− = azadiphenolato) has been synthesized and characterised. This is the first time that the rare anionic spin crossover species, [FeIII(azp)2]−, has been used as an anionic component in double salts complexes. Single crystal structures and magnetic studies showed that compound 6 exhibits a spin transition relating to one of the FeIII centres of the constituent FeII and FeIII sites. Crystal structures of the anionic and cationic precursor complexes were also analysed and compared to the double salt products thus providing a clearer picture for future crystal design in double spin crossover materials. We discuss the effects that the solvent and counterion had on the crystal packing and spin crossover properties.

Influence of Residual Phases on the Behaviour of Gradual Spin Transition Complexes

2001 ◽  
Vol 18 (4) ◽  
pp. 611-613
Author(s):  
Shi Hai-Rong ◽  
Yu Zhi ◽  
Huang Hong-Bo ◽  
Xia Yuan-Fu ◽  
You Xiao-Zeng
Keyword(s):  
Spin Transition ◽  
Transition Complexes

Iron(II) Spin Transition Complexes with Dendritic Ligands, Part I

2008 ◽  
Vol 2008 (10) ◽  
pp. 1613-1622 ◽  
Author(s):  
Prashant Sonar ◽  
C. Matthias Grunert ◽  
Yong-Li Wei ◽  
Joachim Kusz ◽  
Philipp Gütlich ◽  
...  
Keyword(s):  
Spin Transition ◽  
Transition Complexes

Copper(II) Nitroxide Molecular Spin-Transition Complexes

ChemInform ◽  
2003 ◽  
Vol 34 (32) ◽  
Author(s):  
Paul Rey ◽  
Victor I. Ovcharenko
Keyword(s):  
Spin Transition ◽  
Molecular Spin ◽  
Transition Complexes
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