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Crystals 2017, 7(12), 377; doi:10.3390/cryst7120377

Crystallization, Structure Determination and Reticular Twinning in Iron(III) Salicylate: Fe[(HSal)(Sal)(H2O)2]

1
Crystal and Structural Chemistry, Bijvoet Center for Biomolecular Research, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
2
IMAPP Institute for Mathematics, Astrophysics and Particle Physics, Faculty of Science, Mathematics and Computing Science, Radboud University, Postbus 9010, 6500 GL Nijmegen, The Netherlands
*
Author to whom correspondence should be addressed.
Academic Editor: Nikolaus Korber
Received: 28 November 2017 / Revised: 7 December 2017 / Accepted: 11 December 2017 / Published: 14 December 2017
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Abstract

In this contribution, we present the first crystal structure of iron(III) salicylate without additional counterions. The octahedral complex contains two salicylate and two water molecules as ligands. One salicylate is mono-anionic while the other is di-anionic. Because of the centrosymmetry of the complex, the acidic hydrogen atom is disordered on the midpoint between two salicylate oxygens. The structure determination of the tiny crystal indicates the presence of reticular twinning. The structure solution of the twin is shown and an explanation based on the crystal packing is provided. View Full-Text
Keywords: X-ray crystal structure; reticular twinning; iron complex; salicylate ligand; hydrogen bonding X-ray crystal structure; reticular twinning; iron complex; salicylate ligand; hydrogen bonding
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van der Horn, J.A.; Souvignier, B.; Lutz, M. Crystallization, Structure Determination and Reticular Twinning in Iron(III) Salicylate: Fe[(HSal)(Sal)(H2O)2]. Crystals 2017, 7, 377.

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