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From chromium-chromium quintuple bonds to molecular squares and porous coordination polymers

Title data

Noor, Awal ; Sobgwi Tamne, Emmanuel ; Oelkers, Benjamin ; Bauer, Tobias ; Demeshko, Serhiy ; Meyer, Franc ; Heinemann, Frank W. ; Kempe, Rhett:
From chromium-chromium quintuple bonds to molecular squares and porous coordination polymers.
In: Inorganic Chemistry. Vol. 53 (2014) Issue 23 . - pp. 12283-12288.
ISSN 1520-510X
DOI: https://doi.org/10.1021/ic501400n

Abstract in another language

Reaction of the quintuply bonded chromium(I) dimer ApCrCrAp (Ap = sterically demanding 2-aminopyridinate) with pyrazine yields a chromium(II) complex with a η⁴:η⁴ face-on coordinated pyrazine dianion. Reaction with 4,4'-bipyridine, on the other hand, completely cleaves the metal-metal bond, leading to a chromium(II)-based molecular square. XRD and magnetic measurements show ligand radical anions and a ferrimagnetic alignment of alternating metal and ligand magnetic moments. Controlled polymerization of the molecular square with pyrazine yields a porous coordination polymer featuring both reduced and nonreduced linkers.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry II > Chair Anorganic Chemistry II - Univ.-Prof. Dr. Rhett Kempe
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 500 Natural sciences
500 Science > 540 Chemistry
Date Deposited: 10 Mar 2015 10:02
Last Modified: 14 Mar 2016 12:47
URI: https://eref.uni-bayreuth.de/id/eprint/7411