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Crystal structure of tris-(1,10-phenanthroline-κ(2) N,N')iron(II) bis-[bis-(tri-fluoro-methyl-sulfon-yl)imide] monohydrate.

ABSTRACT: The crystal structure of the title complex, [Fe(C12H8N2)3][(CF3SO2)2N]2·H2O, is constructed by one octa-hedral [Fe(phen)3](2+) (phen = 1,10-phenanthroline) cation (point group symmetry 2), two Tf2N(-) [bis-(tri-fluoromethyl-sulfon-yl)imide] anions, and one water mol-ecule of crystallization (point group 2). The Fe-N bond lengths are indicative of a d (6) low-spin state for the Fe(II) ion in the complex. The dihedral angle between the phen ligands in the cation is 87.64 (6)°. The Tf2N(-) counter-anion is non-coordinating, with the -CF3 groups arranged in a trans fashion with respect to each other, leading to an anti,anti conformation of the -CF3 groups and -SO2N- moieties relative to the S-C bonds. The water mol-ecule of crystallization connects two O atoms of the Tf2N(-) anions through weak hydrogen bonds. C-H⋯O hydrogen-bonding inter-actions are also observed, consolidating the packing of the mol-ecules into a three-dimensional network structure.

SUBMITTER: Teramoto K 

PROVIDER: S-EPMC4331886 | biostudies-literature | 2015 Jan

REPOSITORIES: biostudies-literature

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Crystal structure of tris-(1,10-phenanthroline-κ(2) N,N')iron(II) bis-[bis-(tri-fluoro-methyl-sulfon-yl)imide] monohydrate.

Teramoto Kazunori K   Kawasaki Takeshi T   Nishide Toshikazu T   Ikeda Yasuhisa Y  

Acta crystallographica. Section E, Crystallographic communications 20150101 Pt 1

The crystal structure of the title complex, [Fe(C12H8N2)3][(CF3SO2)2N]2·H2O, is constructed by one octa-hedral [Fe(phen)3](2+) (phen = 1,10-phenanthroline) cation (point group symmetry 2), two Tf2N(-) [bis-(tri-fluoromethyl-sulfon-yl)imide] anions, and one water mol-ecule of crystallization (point group 2). The Fe-N bond lengths are indicative of a d (6) low-spin state for the Fe(II) ion in the complex. The dihedral angle between the phen ligands in the cation is 87.64 (6)°. The Tf2N(-) counter-  ...[more]

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