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Caesium bis(5‐bromosalicylaldehyde thiosemicarbazonato‐κ 3 O , N , S )ferrate(III): supramolecular arrangement of low‐spin Fe III complex anions mediated by Cs + cations
Author(s) -
Powell Robyn Elizabeth,
Schwalbe Carl H.,
Tizzard Graham J.,
Koningsbruggen Petra J. van
Publication year - 2015
Publication title -
acta crystallographica section c
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 17
ISSN - 2053-2296
DOI - 10.1107/s2053229615001928
Subject(s) - chemistry , crystallography , octahedron , supramolecular chemistry , crystal structure , caesium , intermolecular force , stereochemistry , hydrogen bond , electron paramagnetic resonance , molecule , inorganic chemistry , nuclear magnetic resonance , physics , organic chemistry
The synthesis and crystal structure determination (at 293 K) of the title complex, Cs[Fe(C 8 H 6 BrN 3 OS) 2 ], are reported. The compound is composed of two dianionic O , N , S ‐tridentate 5‐bromosalicylaldehyde thiosemicarbazonate(2−) ligands coordinated to an Fe III cation, displaying a distorted octahedral geometry. The ligands are orientated in two perpendicular planes, with the O‐ and S‐donor atoms in cis positions and the N‐donor atoms in trans positions. The complex displays intermolecular N—H...O and N—H...Br hydrogen bonds, creating R 4 4 (18) rings, which link the Fe III units in the a and b directions. The Fe III cation is in the low‐spin state at 293 K.