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Bite-Angle-Regulated Coordination Geometries: Tetrahedral and Trigonal Bipyramidal in Ni(II) with Biphenyl-Appended (2-Pyridyl)alkylamine N,N′-Bidentate Ligands
Divya Sasi, Venkatachalam Ramkumar,
Published in American Chemical Society
Volume: 2
Issue: 6
Pages: 2474 - 2781
Two simple biphenyl-Appended (2-pyridyl)alkylamine N-bidentate ligands, Le and Lm, having ethylene and methylene spacers between donor groups, with bite angles Le â 100° and Lm â 80°, dictate pseudotetrahedral and trigonal-bipyramidal geometries in six high-spin Ni(II)-halide complexes, [Ni(Le)X2] and [Ni(Lm)2X](ClO4) (where X = Cl-, Br-, I-), respectively. The structures in the solid state, determined using X-ray crystallography, and in solution, determined using spectroscopic methods (UV-vis-NIR and paramagnetic 1H NMR), which complement each other, are described. © 2017 American Chemical Society.
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JournalData powered by TypesetACS Omega
PublisherData powered by TypesetAmerican Chemical Society
Open AccessYes