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- Title
Crystal Structures and Hydrogen Bonding of Two Complexes containing the [Ammine-chlorido-ethylenediamine-bis(pyridine)cobalt(III)]<sup>2+</sup> Cation.
- Authors
Liebing, Phil; Hilfert, Liane; Lorenz, Volker; Edelmann, Frank T.
- Abstract
The crystal structures of two classical cobalt(III) complexes comprising the [CoCl(NH3)(en)(py)2]2+ cation were determined by single-crystal X-ray diffraction. Both complexes, dark red [CoCl(NH3)(en)(py)2]Cl2 ·H2O ( 1) and purple [CoCl(NH3)-(en)(py)2][HgCl4] ·1.125H2O ( 2), crystallize in the triclinic space group P 1. In both compounds, the Co atom exhibits a typical octahedral coordination and the configuration index of the complex is OC-6-43. In the case of the chloride ( 1), the asymmetric unit comprises one formula unit, whereas there are two formula units in the case of the tetrachloridomercurate ( 2). Complex cations, anions, and crystal water molecules are interconnected by various N-H ···N, N-H ···Cl, N-H ···O, O-H ···Cl, and O-H ···O bridge bonds. As a result, compound 1 features a two-dimensional layer structure and compound 2 exists as a three-dimensional network.
- Subjects
CRYSTAL structure; HYDROGEN bonding; ETHYLENEDIAMINE; COBALT compounds; COMPLEX compounds; SUPRAMOLECULAR chemistry
- Publication
Zeitschrift für Anorganische und Allgemeine Chemie, 2016, Vol 642, Issue 20, p1178
- ISSN
0044-2313
- Publication type
Article
- DOI
10.1002/zaac.201600251