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Designing Supramolecular Triaminoguanidine‐Based Cobalt(II) Complexes Inspired by Their Zinc(II) Analogs
Author(s) -
Sturm Lisa,
Becker Marcus,
Leusen Jan,
Oppel Iris M.
Publication year - 2022
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.202101023
Subject(s) - cobalt , chemistry , supramolecular chemistry , zinc , crystallography , coordination polymer , coordination complex , metallacycle , crystal structure , stereochemistry , inorganic chemistry , x ray crystallography , metal , diffraction , organic chemistry , physics , optics
Novel cobalt(II) containing compounds of tris ‐(2‐pyridinylene‐ N ‐oxide)triaminoguanidine ligands L 2− are presented: the supramolecular metallocycle [Co 6 (OOCMe) 3 (NCS) 3 L 3 ] 4 and the one‐dimensional coordination polymer {[Co 3 ( μ ‐OOCMe) 3 L ]NO 3 } n . Analog zinc(II) complexes show similar to identical structures that are slightly influenced by different preferences regarding the coordination number. In the polymers, the coordination number is five, which is less common for zinc(II) and rare for cobalt(II). The compounds are characterized by single‐crystal as well as powder X‐ray diffraction, IR spectroscopy, and ESI mass spectrometry. Magnetic measurements revealed predominantly antiferromagnetic exchange interaction between the cobalt(II) centers linked by the triaminoguanidine backbone.