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- Title
A novel crystal structure of {tris[4-(1 H-pyrazol-3-yl-κ N<sup>2</sup>)-3-azabut-3-enyl]amine-κ N}iron(II) bis(tetrafluoridoborate) methanol monosolvate featuring a low-spin configuration.
- Authors
Struch, Niklas; Schnakenburg, Gregor; Lützen, Arne
- Abstract
Mononuclear complexes are good model systems for evaluating the effects of different ligand systems on the magnetic properties of iron(II) centres. A novel crystal structure of the title compound, [Fe(C18H24N10)](BF4)2·CH3OH, with one molecule of methanol per formula unit exhibits a strictly sixfold coordination sphere associated with a low-spin configuration at the metal centre. The incorporated methanol solvent molecule promotes extended hydrogen-bonding networks between the tetrafluoridoborate anions and the cationic units. A less constrained crystal structure regarding close contacts between the tetrafluoridoborate anions and the cationic units allows a spin transition which is inhibited in the previously published hydrate of the title compound.
- Subjects
IRON compounds; SPIN crossover; CRYSTAL structure; CRYSTALLOGRAPHY
- Publication
Acta Crystallographica Section C: Structural Chemistry, 2015, Vol 71, Issue 12, p1048
- ISSN
2053-2296
- Publication type
Article
- DOI
10.1107/S2053229615020409