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Synthesis and Crystal Structure of tris-(1,10-Phenanthroline)-Iron(II) Dichromate Tetrahydrate, Fe(C12H8N2)3Cr2O7·4H2O
Corresponding Author(s) : Hai-Xing Liu
Asian Journal of Chemistry,
Vol. 25 No. 6 (2013): Vol 25 Issue 6
Abstract
In this report, Fe(C12H8N2)3Cr2O7·4H2O, was prepared by the reaction of FeCl2, 1,10-phenanthroline and potassium chromate. The asymmetric unit is composed of a [Fe(phen)3]2+ cation, a Cr2O72- anion and four water molecules. The metal centre is coordinated in a distorted octahedral mode by six N atoms from three 1,10-phenanthroline. The Cr2O72- anion is in a staggered conformation. The crystal packing is stabilized by intermolecular O-H...O and O-H...N hydrogen bonds and p-p interaction.
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References
F. Calderazzo, G. Pampaloni and V. Passarelli, Inorg. Chim. Acta, 330, 136 (2002).
K. Larsson and L. Ohrstrom, Inorg. Chim. Acta, 357, 657 (2004).
K. Binnemans, P. Lenaerts, K. Driesen and C. Gorller-Walrand, J. Mater. Chem., 14, 191 (2004).
P. Lenaerts, A. Storms, J. Mullens, J. D'Haen, C. Gorller-Walrand, K. Binnemans and K. Driesen, Chem. Mater., 17, 5194 (2005).
V. Amani, N. Safari, H.R. Khavasi and P. Mirzaei, Polyhedron, 26, 4908 (2007).
C.-B. Liu, J. Wang, X.-L. Zha, X.-J. Zhang, X.-Y. Li, G.-B. Che and Y.-S. Yan, J. Coord. Chem., 64, 232 (2011).
Y.-S. Yang, W.-X. Chai, L. Song, H.-S. Shi and L.-S. Qin, Asian J. Chem., 24, 5368 (2012).
M.-Q. Dong, L. Song, C. Ling and K. Xue, Asian J. Chem., 24, 1003 (2013).
K. Ejsmont, M. Wasielewski and J. Zaleski, Acta cryst., E58, m200 (2002).