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Relevant bibliographies by topics / Transition metals. Organometallic compounds. X-ray crystallography

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Academic literature on the topic 'Transition metals. Organometallic compounds. X-ray crystallography'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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Journal articles on the topic "Transition metals. Organometallic compounds. X-ray crystallography"

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Cai, Xiaoping, Barbara Gehrhus, Peter B. Hitchcock та Michael F. Lappert. "Reactions of the stable bis(amino)silylene Si[{N(CH2tBu)}2C6H4-1,2] with group 3 or lanthanide metal organic compounds. Crystal structures of [Ln(η5-C5H5)3Si{[N(CH2tBu)]2C6H4-1,2}]·C7H8 (Ln = Y or Yb)". Canadian Journal of Chemistry 78, № 11 (2000): 1484–90. http://dx.doi.org/10.1139/v00-044.

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Treatment of the thermally stable aminosilylene Si[{N(CH2tBu)}2C6H4-1,2] [= Si(NN)] with a tris(cyclopentadienyl)- group 3 or -lanthanide metal compound LnCp3 (Cp = η5-C5H5 and Ln = Y or Yb) in toluene at ambient temperature afforded the first earliest transition or f-block metal-silylene complexes [LnCp3{Si(NN)}]·C7H8 (Ln = Y (1) or Yb (2)), characterized by NMR spectroscopy and X-ray crystallography: complex 1 (monoclinic, space group P21/c (no. 14), a = 15.641(5), b = 15.895(7), c = 14.876(5) Å, β = 112.93(3), Z = 4, R1 = 0.067 for 6194 observed data), and2 (monoclinic, space group P21/c (n

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Woińska, Magdalena, Simon Grabowsky, Paulina M. Dominiak, Krzysztof Woźniak, and Dylan Jayatilaka. "Hydrogen atoms can be located accurately and precisely by x-ray crystallography." Science Advances 2, no. 5 (2016): e1600192. http://dx.doi.org/10.1126/sciadv.1600192.

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Precise and accurate structural information on hydrogen atoms is crucial to the study of energies of interactions important for crystal engineering, materials science, medicine, and pharmacy, and to the estimation of physical and chemical properties in solids. However, hydrogen atoms only scatter x-radiation weakly, so x-rays have not been used routinely to locate them accurately. Textbooks and teaching classes still emphasize that hydrogen atoms cannot be located with x-rays close to heavy elements; instead, neutron diffraction is needed. We show that, contrary to widespread expectation, hydr

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Sokolov, Ilya E., Valery V. Fomichev, Ruslan M. Zakalyukin, et al. "SYNTHESIS OF NANOSIZED ZIRCONIUM DIOXIDE, COBALT OXIDE AND RELATED PHASES IN SUPERCRITICAL CO2 FLUID." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 64, no. 5 (2021): 35–43. http://dx.doi.org/10.6060/ivkkt.20216405.6060.

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This study is devoted to obtaining nanoscale zirconium dioxide, cobalt oxide and related phases by SAS method in supercritical carbon dioxide. The synthesized compounds were characterized by a complex of physico-chemical analytical methods: infrared spectroscopy, differential scanning calorimetry, X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy. The experimental parameters for obtaining the nanoparticles were: pressure 10 MPa, temperature 40 °C, carbon dioxide supply rate 35 g/min, the initial solution supply rate 0.5 ml/min. Individual phases containing z

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Durran, Sean E., Martin B. Smith, Alexandra MZ Slawin, Thomas Gelbrich, Michael B. Hursthouse, and Mark E. Light. "Synthesis and coordination studies of new aminoalcohol functionalized tertiary phosphines." Canadian Journal of Chemistry 79, no. 5-6 (2001): 780–91. http://dx.doi.org/10.1139/v01-037.

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The synthesis of two new aminoalcohol functionalized tertiary phosphines o-Ph2PCH2N(H)C6H4(OH) (I) and o-Ph2PCH2N(H)C6H4(CH2OH) (II) are reported. Oxidation with aqueous H2O2 gave the corresponding phosphine oxides o-Ph2P(O)CH2N(H)C6H4(OH) (III) and o-Ph2P(O)CH2N(H)C6H4(CH2OH) (IV) (31P NMR evidence only). The ligating ability of I, II and, in several cases, the known ligand 2,3-Ph2PCH2N(H)C5H3N(OH) (V), was investigated with a range of late transition-metal precursors. Accordingly, reaction of 2 equiv of I (or II) with [MCl2(cod)] (M = Pd or Pt, cod = cycloocta-1,5-diene) gave the correspondi

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Lima, Geraldo. "COMPOSTOSORGANOMETÁLICOS DEESTANHO(II) –ESTANILAS DEALGUNSMETAIS REPRESENTATIVOS." Química Nova, 2021. http://dx.doi.org/10.21577/0100-4042.20170742.

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ORGANOMETALLICCOMPOUNDSOFTIN(II) –SOMEMAINGROUPMETALSTANNYLS.This paper aimsto summarise some chemical information aboutselected main group metalstannyl compounds. The number of these compoundsin the literature are much fewer than those with transition metal cations. Most papersreport details ofstannyls containing Li(I), Na(I) and K(I),such assynthetic routes, spectroscopic results and their molecular structures. This review comprises not only information of stannyls containing these cations, but also some alkaline-earth species containingMg(II),Ca(II),Sr(II),Ba(II), aswell asSn(II).In some co

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Dissertations / Theses on the topic "Transition metals. Organometallic compounds. X-ray crystallography"

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Lake, Andrew J. "Advances in polyaromatic and ferrocenyl phosphine chemistry." Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/6329.

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Condensation of Ph2PCH2OH with a range of polyaromatic substituted secondary amines afforded a new set of 'hybrid' phosphine ligands of the type {RCH2N(CH2PPh2)CH2}2 and RCH2N(CH2PPh2)CH2CH3 (R = various planar aromatic groups). The coordination chemistry of these new mono and bidentate ligands towards a range of transition metal centres including Mo(0), Au(I), Rh(I), Ni(II), Pd(II), Pt(II) and Ru(II) was investigated. Ditertiary phosphines of the form {RCH2N(CH2PPh2)CH2}2 were found to be capable of bridging two transition metal centres in addition to forming rare examples of nine-membered ci

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Brammell, Christina 1987. "Organometallic Chemistry Supported by the PNP Pincer Framework for Both Early and Late Transition Metals." Thesis, 2012. http://hdl.handle.net/1969.1/148081.

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Tridentate "pincer" ligands provide a unique balance of stability and reactivity in organometallic chemistry. The development of diarylamido-based PNP pincer ligands has led to many applications in catalysis, including the potential to facilitate unique chemical transformations at transition metal centers. The main objective of this thesis was to explore transition metal chemistry supported by the PNP pincer framework for both early and late transition metals. In Chapter I, the history behind the design and synthesis of pincer complexes is described. The advantages and disadvantages of various

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