C5me4h
Web暨南大学,数字图书馆. 开馆时间：周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 WebApr 24, 2014 · The far and mid infrared spectra of powdered La(η(5)-C5Me4H)3 as well as polarized Raman spectra of an oriented single crystal (where the principal axes of the two molecules per unit cell are uniformly oriented) have been recorded. Applying the selection rules of C3h symmetry to the experimental data, numerous signals were assigned which …
C5me4h
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WebCheshire County 4-H NH, Keene, New Hampshire. 545 likes · 28 talking about this · 29 were here. News and events from the Cheshire County 4H and Youth... WebDec 22, 2010 · Irradiation of the cation [η-C5Me4H)Fe(η-C6H6)]++ (1) and ButNC with visible light in acetonitrile results in the displacement of the benzene lig Photochemical …
WebDec 1, 2004 · The origin of the hydrogenation of the dinitrogen ligand in [ (eta5-C5Me4H)2Zr]2 (mu2,eta2,eta2-N2) has been investigated by a combined computational and experimental study. Density functional ... WebReaction of Me2Si(C5Me4H)Cl with 1 equiv of Li2C2B10H10 in toluene/Et2O gave the monoanionic salt [Me2Si(C5Me4)(C2B10H11)]Li(OEt2)0.5 (1), which could be conveniently converted into the dianionic s...
WebMay 30, 2005 · Like (C5Me5)3UCl, the (C5Me4H)3UCl complex reacts with HgCl2 to form (C5Me4H)2 and (C5Me4H)2UCl2, 6, but unlike (C5Me5)3UX (X = Cl or I), the less substituted (C5Me4H)3UX complexes do not reduce t-BuCl or PhX. The synthesis of 6 from (C5Me4H)MgCl x THF and UCl4 is also included.
WebJul 30, 2024 · Organometallic americium synthetic chemistry has been dormant for decades. Now, E. R. Batista, W. J. Evans, A. J. Gaunt, S. A. Kozimor, P. Yang et al. report the crystallographically characterized complex [Am(C 5 Me 4 H) 3], featuring the first quantitative measurement of Am−C molecular bonding interactions.In their …
WebBoth 1 and 3 present η5 / η1 geometries of the slip-sandwich type, whereas 2 exhibits an almost regular, ferrocene-like, sandwich structure. In the mixed-ring compound 3, C 5 Me … check_interval oracleWebAug 2, 2006 · The U(III) mixed-sandwich compound [U(eta-C5Me4H)(eta-C8H6{SiiPr3-1,4}2)(THF)] 1 may be prepared by sequential reaction of UI3 with K[C5Me4H] in THF followed by K2[C8H6{SiiPr3-1,4}2]. 1 reacts with carbon monoxide at -30 degrees C and 1 bar pressure in toluene solution to afford the crystallographic … flashy lemon fragrance oilWebDec 15, 2003 · A red crystal of approximate dimensions 0.16×0.21×0.37 mm was handled as described for 4.The diffraction symmetry was mmm and the systematic absences … check interval 3000WebSynthesis of the mixed ligand complexes (C 5 Me 5)(C 5 Me 4 H) 2 Ln (Ln = Lu, Y) for comparison with (C 5 Me 5) 2 (C 5 Me 4 H)Ln to evaluate details of steric effects on reductive reactivity has revealed that (C 5 Me 5) 3-x (C 5 Me 4 H) x Ln complexes can reduce dinitrogen to (NN) 2-. (C 5 Me 5)(C 5 Me 4 H) 2 Lu reacts with N 2 to form [(C 5 … flashy meanWebNov 1, 2012 · The preparation of the new series of compounds, [(C5Me4H)(C5H5)TiR2], is also described. The electronic effects of the C5Me4H ligand resemble closely those of C5Me5. The coalescence of the 1H and ... check_interval gitlab runnerWebThe activation and cleavage of the N–N bond in side-on bound [L2M-NN-ML2] (L = NH2, NMe2, NiPr2, C5H5, C5Me4H) dinitrogen complexes of transition metals in groups 4 through 9 have been investigated using density functional theory. Emphasis has been placed on Ti, Zr, and Hf (group 4) complexes due to their experimen flashy movesWebNew examples of uranium in the formal +2 oxidation state have been isolated by reduction of Cptet3U (Cptet = C5Me4H) and U(NR2)3 (R = SiMe3) in the presence of 2.2.2-cryptand (crypt) to produce [K(crypt)][Cptet3U] and [K(crypt)][U(NR2)3], respectively. Both complexes have properties consistent with 5f36d1 el flashy look