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  2. 2-Butyne - Wikipedia

    en.wikipedia.org/wiki/2-butyne

    2-Butyne is of interest to physical chemists because of its very low torsional barrier and the problem of determining that barrier using high-resolution infrared spectroscopy. Analysis of its spectrum [3] leads to a determination that the torsional barrier is only 6 cm −1 (1.2 × 10 −22 J or 72 J mol −1).

  3. Alkyne - Wikipedia

    en.wikipedia.org/wiki/Alkyne

    The C≡C bond distance of 118 picometers (for C 2 H 2) is much shorter than the C=C distance in alkenes (132 pm, for C 2 H 4) or the C–C bond in alkanes (153 pm). [3] Illustrative alkynes: a, acetylene, b, two depictions of propyne, c, 1-butyne, d, 2-butyne, e, the naturally occurring 1-phenylhepta-1,3,5-triyne, and f, the

  4. List of straight-chain alkanes - Wikipedia

    en.wikipedia.org/wiki/List_of_straight-chain_alkanes

    Number of isomers [3] [4] Number of isomers including stereoisomers [3] [5] Molecular Formula Name of straight chain Synonyms 1 1 1 CH 4: methane: methyl hydride; natural gas 2 1 1 C 2 H 6: ethane: dimethyl; ethyl hydride; methyl methane 3 1 1 C 3 H 8: propane: dimethyl methane; propyl hydride 4 2 2 C 4 H 10: n-butane: butyl hydride ...

  5. Butyne - Wikipedia

    en.wikipedia.org/wiki/Butyne

    Butyne is an alkyne that contains 4 carbon and 6 hydrogen. It contains one triple bond and has two isomeric organic chemical compounds: 1-Butyne (ethylacetylene)

  6. Butyl group - Wikipedia

    en.wikipedia.org/wiki/Butyl_group

    Butan-2-yl (sec-butyl) group is chiral. The carbon atom at position 2 is a stereocenter. It has four different groups attached: −H, −CH 3, −CH 2 −CH 3, and −R (the R group is not equal to those three groups). The names of the two chiral groups are: (2S)-butan-2-yl and (2R)-butan-2-yl.

  7. Butene - Wikipedia

    en.wikipedia.org/wiki/Butene

    Butene, also known as butylene, is an alkene with the formula C 4 H 8.The word butene may refer to any of the individual compounds. They are colourless gases that are present in crude oil as a minor constituent in quantities that are too small for viable extraction.

  8. Acetylenedicarboxylic acid - Wikipedia

    en.wikipedia.org/wiki/Acetylenedicarboxylic_acid

    The ADC anion can aсt as a ligand in organometallic complexes, such as the blue polymeric complex with copper and 2,2′-bipyridine, [Cu 2+ [C 4 O 4] 2− ·(C 5 H 4 N) 2] n. [ 9 ] [ 10 ] Thallium (I) acetylenedicarboxylate ( Tl 2 C 4 O 4 ) decomposes at 195 °C, leaving a residue of pyrophoric thallium powder.

  9. Hexyne - Wikipedia

    en.wikipedia.org/wiki/Hexyne

    It consists of several isomeric compounds having the formula C 6 H 10. The linear and branched members are: 1-Hexyne (n-butylacetylene) 2-Hexyne (methylpropylacetylene)

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