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Heavier Group 13 Me...
Heavier Group 13 Metal(I) Heterocycles Stabilized by Sterically Demanding Diiminophosphinates : a Structurally Characterized Monomer–Dimer Pair For Gallium
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Hawley, Andrew L. (author)
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- Ohlin, C. André (author)
- Umeå universitet,Kemiska institutionen,School of Chemistry, Melbourne, Australia)
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Fohlmeister, Lea (author)
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Stasch, Andreas (author)
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(creator_code:org_t)
- 2016-12-02
- 2017
- English.
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In: Chemistry - A European Journal. - : Wiley. - 0947-6539 .- 1521-3765. ; 23:2, s. 447-455
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- We have synthesized and characterized the monomeric diiminophosphinate-stabilized Group 13 metal(I) complexes [DipLE:], DipL=Ph2P(NDip)2, Dip=2,6-iPr2C6H3; E=Ga (1), In (2) and Tl (3). In addition, we structurally characterized the dimeric complex [(DipLGa)2], 12. Similar synthetic attempts using MesL=Ph2P(NMes)2, Mes=2,4,6-Me3C6H2 afforded product mixtures from which the mixed oxidation state species [(MesL)3Ga4I3] 4 was isolated. [DipLGa:] 1 is converted with dry air to the gallium(III) oxide species [(DipLGaO)2] 5. Density Functional Theory studies on [DipLE:] and [(DipLE)2], E=Al−Tl, shed light on the bonding in these compounds and show that the newly formed E−E bonding interactions can be described as weak single σ-bond with no significant π-bonding contribution for E=Al, Ga. A large contribution to the dimer binding enthalpies results from London dispersion forces.
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Keyword
- Group 13 elements
- low valent main group compounds
- metal–metal interactions
- N-ligands
- O–O activation
Publication and Content Type
- ref (subject category)
- art (subject category)
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