• In organometallic chemistry, agostic interaction refers to the intramolecular interaction of a coordinatively-unsaturated transition metal with an appropriately...
    9 KB (925 words) - 06:24, 11 August 2024
  • Thumbnail for Sigma complex
    particularly common subset of sigma complexes are those featuring an agostic interaction where a C–H σ-bond on one of its ligands 'leans' towards and interacts...
    5 KB (506 words) - 18:38, 27 October 2024
  • Thumbnail for Ligand
    in for example silanes, hydrocarbons, and dihydrogen (see also: Agostic interaction). In complexes of non-innocent ligands, the ligand is bonded to metals...
    35 KB (3,307 words) - 15:24, 6 November 2024
  • Thumbnail for Covalent bond
    bonding also includes many kinds of interactions, including σ-bonding, π-bonding, metal-to-metal bonding, agostic interactions, bent bonds, three-center two-electron...
    28 KB (3,673 words) - 14:01, 24 October 2024
  • Thumbnail for Transition metal alkyl complexes
    iodide. Some metal alkyls feature agostic interactions between a C-H bond on the alkyl group and the metal. Such interactions are especially common for complexes...
    13 KB (1,037 words) - 13:59, 6 April 2024
  • Thumbnail for Plumbylene
    been seen forming a coordination to lead in [2,4,6-(CF3)3C6H2]2Pb. Agostic interactions have also been shown to stabilize plumbylenes. DFT computations on...
    33 KB (3,070 words) - 12:01, 6 January 2024
  • Thumbnail for Organolithium reagent
    tetrahedron. Each methanide in the tetramer in methyllithium can have agostic interaction with lithium cations in adjacent tetramers. Ethyllithium and tert-butyllithium...
    55 KB (5,971 words) - 20:35, 22 July 2024
  • via its carbonyl oxygen and agostically via its ortho C-H bond (2). As in the Ru0 proposed mechanism, this agostic interaction leads to the oxidative addition...
    11 KB (1,146 words) - 14:04, 14 June 2023
  • Thumbnail for Dichlorotris(triphenylphosphine)ruthenium(II)
    occupied by one of the hydrogen atoms of a phenyl group. This Ru---H agostic interaction is long (2.59 Å) and weak. The low symmetry of the compound is reflected...
    10 KB (904 words) - 19:22, 22 September 2023
  • "modified Green-Rooney mechanism" for Ziegler–Natta catalysis, wherein agostic interactions guide the stereochemistry of the alkene insertion step. This proposal...
    15 KB (1,192 words) - 02:24, 28 March 2024
  • ISSN 0001-4842. Brookhart, M.; Green, M. L. H.; Parkin, G. (2007). "Agostic interactions in transition metal compounds". Proceedings of the National Academy...
    3 KB (286 words) - 13:31, 20 December 2023
  • Thumbnail for Dihydrogen complex
    W(CO)3(P-i-Pr3)2(H2). In such cases, the unsaturated complex in fact features an agostic interaction that is displaced by the H2. In other cases, H2 will displace anionic...
    7 KB (806 words) - 01:20, 5 October 2024
  • Thumbnail for Tetrakis(trimethylphosphine)tungsten(II) trimethylphospinate hydride
    generating a hydride bond, before breaking the agostic interaction to form a PMe3 L-type interaction. Another PMe3 ligates before Qox switches to η2-C2-type...
    60 KB (5,991 words) - 16:44, 5 July 2024
  • highly unsaturated 14 e− cation. This cation is stabilized by an agostic interaction. β-Hydride elimination then occurs to give a hydride-alkene complex...
    13 KB (1,433 words) - 21:25, 4 February 2024
  • Thumbnail for Methyllithium
    further inter-cluster agostic interactions. In contrast the bulkier cluster (tertiary-butylLi)4, where intercluster interactions are precluded by steric...
    9 KB (981 words) - 15:20, 11 May 2024
  • Thumbnail for Organotitanium chemistry
    (1986). "Evidence for Carbon–Hydrogen–Titanium Interactions: Synthesis and Crystal Structures of the Agostic alkyls [TiCl3(Me2PCH2CH2PMe2)R] (R = Et or Me)"...
    18 KB (1,866 words) - 09:45, 4 November 2023
  • elementary stage, which is the limiting stage of the reaction, an agostic interaction stabilizing between the beta hydrogen and the R2 group and the titanium...
    16 KB (1,696 words) - 17:02, 20 January 2024
  • compounds such as (CH3)2NHBH3 and also different from so-called agostic interactions. In mainstream chemistry close proximity of two nonbonding atoms...
    12 KB (1,525 words) - 14:29, 25 August 2024
  • Co(norbornyl)4 (13 e−) [FeCp2]+ (17 e−) Sometimes such complexes engage in agostic interactions with the hydrocarbon framework of the bulky ligand. For example:...
    17 KB (1,923 words) - 02:05, 19 June 2024
  • Thumbnail for Decacarbonyldihydridotriosmium
    reaction with diazomethane to give Os3(CO)10(μ-H)(μ-CH3), exhibiting an agostic interaction, the first identified in a metal cluster. Melvyn Rowen Churchill;...
    5 KB (353 words) - 08:35, 12 July 2024
  • chemistry. A celebrated family of compounds featuring such interactions as called agostic complexes. This bonding pattern is also seen in trimethylaluminium...
    5 KB (688 words) - 12:00, 26 March 2023
  • Thumbnail for Maurice Brookhart
    S2CID 214770016. Brookhart, Maurice; Green, Malcolm L. H.; Parkin, Gerard. Agostic interactions in transition metal compounds. Proceedings of the National Academy...
    7 KB (677 words) - 06:50, 29 May 2024
  • Thumbnail for Stannylene
    the electron deficiency of monomeric stannylene is reduced by the agostic interaction from B-H bond. This concept was proved by Mark Kenyon and coworkers...
    13 KB (1,329 words) - 05:06, 8 February 2024
  • Thumbnail for Steven Ittel
    and paramagnetic π-allyl organometallic complexes bearing M-H-C agostic interactions. He was responsible for a series of C-H activation reactions based...
    7 KB (932 words) - 23:59, 5 July 2023
  • D.; Wilson, Scott R.; Girolami, Gregory S. (1994). "A Static Agostic α-CH-M Interaction Observable by NMR Spectroscopy: Synthesis of the Chromium(II)...
    9 KB (1,077 words) - 16:14, 27 January 2024
  • Thumbnail for Lyndon Emsley
    well as the first experimental demonstration of the presence of agostic interactions in surface species, indicated by carbenic J C − H {\displaystyle...
    30 KB (2,772 words) - 17:01, 8 June 2024
  • bonding in silane sigma complexes is similar to that invoked in agostic interactions. The metal center engages the Si-H entity via a 3-center, 2-electron...
    6 KB (601 words) - 14:44, 21 March 2024
  • Wills, Corinne; Clegg, William; Harrington, Ross W. (2008). "Agostic-Type...Pb Interactions Stabilize a Dialkylplumbylene. Structure of and Bonding in...
    3 KB (195 words) - 09:38, 7 December 2023
  • is the originator of the word "agostic" used by the organometallic chemist Malcolm Green to describe C-H-M interactions. Griffin's wife of more than fifty...
    6 KB (499 words) - 22:16, 14 February 2024
  • also follow a concerted mechanism through the formation of an M–(C–H) agostic complex. A representative example is the reaction of hydrogen with Vaska's...
    10 KB (1,210 words) - 14:28, 18 October 2024