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  2. Tris(pentafluorophenyl)borane - Wikipedia

    en.wikipedia.org/wiki/Tris(pentafluorophenyl)borane

    Tris(pentafluorophenyl)borane, sometimes referred to as "BCF", is the chemical compound (C 6 F 5) 3 B.It is a white, volatile solid. The molecule consists of three pentafluorophenyl groups attached in a "paddle-wheel" manner to a central boron atom; the BC 3 core is planar.

  3. Isomerization - Wikipedia

    en.wikipedia.org/wiki/Isomerization

    In chemistry, isomerization or isomerisation is the process in which a molecule, polyatomic ion or molecular fragment is transformed into an isomer with a different chemical structure. [1] Enolization is an example of isomerization, as is tautomerization .

  4. Lithium tetrakis(pentafluorophenyl)borate - Wikipedia

    en.wikipedia.org/wiki/Lithium_tetrakis(pentafluo...

    The anion is tetrahedral with B-C bond lengths of approximately 1.65 Angstroms. The salt has only been obtained as the etherate, and the crystallography confirms that four ether (OEt 2) molecules are bound to the lithium cation, with Li-O bond lengths of approximately 1.95 Å.

  5. Valence isomer - Wikipedia

    en.wikipedia.org/wiki/Valence_isomer

    Download as PDF; Printable version; ... In organic chemistry, ... Pentacyclo[5.1.0.0 2,4. 0 3,5.0 6,8]octane (octabisvalene) is the third saturated valence isomer ...

  6. Organoxenon chemistry - Wikipedia

    en.wikipedia.org/wiki/Organoxenon_chemistry

    Organoxenon chemistry is the study of the properties of organoxenon compounds, which contain carbon to xenon chemical bonds. The first organoxenon compounds were divalent, such as (C 6 F 5 ) 2 Xe. The first tetravalent organoxenon compound, [C 6 F 5 XeF 2 ][BF 4 ], was synthesized in 2004. [ 1 ]

  7. Gauche effect - Wikipedia

    en.wikipedia.org/wiki/Gauche_effect

    The gauche effect is very sensitive to solvent effects, due to the large difference in polarity between the two conformers.For example, 2,3-dinitro-2,3-dimethylbutane, which in the solid state exists only in the gauche conformation, prefers the gauche conformer in benzene solution by a ratio of 79:21, but in carbon tetrachloride, it prefers the anti conformer by a ratio of 58:42. [9]

  8. Bromopentafluorobenzene - Wikipedia

    en.wikipedia.org/wiki/Bromopentafluorobenzene

    Bromopentafluorobenzene is an organofluorine compound with the formula C 6 F 5 Br. It is a colorless liquid that is used to prepare pentafluophenyl compounds. These syntheses typically proceed via the intermediacy of C 6 F 5 Li or the Grignard reagent. [1]

  9. Penex - Wikipedia

    en.wikipedia.org/wiki/Penex

    Penex unit (simplified) The Penex process is a continuous catalytic process used in the refining of crude oil.It isomerizes light naphtha (C 5 /C 6) into higher-octane, branched C 5 /C 6 molecules.

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    valence isomers listvalence isomers formula
    isomerization in chemistry