Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 130, Issue 16, Pages 5449-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja800876k
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Funding
- EPSRC [EP/D07746X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/D07746X/1] Funding Source: researchfish
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The first row diatomic molecules N-2 and CO have played central roles in developing fundamental models of electronic structure, and their interactions with transition metals have been widely investigated. By contrast, the valence isoelectronic molecules EX (E = group 13 element, X = group 17 element) have yet to be isolated under ambient conditions, either as the free molecule or as a simple metal complex. Here, we find that iodide abstraction from Cp*Fe(dppe)(Gal(2)) yields the stable complex [Cp*Fe(dppe) (Gal)]+ which features a terminally bound Gal ligand, characterized by a near linear (but readily deformed) Fe-Ga-I geometry and by very short Fe-Ga and Ga-I distances. Chemical and computational evidence reveal a relatively weak metal-ligand bond similar in strength to that found for dinitrogen analogues.
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