Search results

Results 1 – 20 of 22
Advanced search

Search in namespaces:

There is a page named "Cyclooctatetraenide" on Wikipedia

View (previous 20 | ) (20 | 50 | 100 | 250 | 500)
  • Thumbnail for Cyclooctatetraene
    cyclooctatetraene, C8H8, is not aromatic, although its dianion, C 8H2− 8 (cyclooctatetraenide), is. Its reactivity is characteristic of an ordinary polyene, i...
    17 KB (1,534 words) - 19:49, 5 June 2024
  • Thumbnail for Dipotassium cyclooctatetraenide
    Dipotassium cyclooctatetraenide, sometimes abbreviated K2COT, is an organopotassium compound with the formula K2C8H8. It is a brown solid that is used...
    3 KB (222 words) - 05:52, 7 April 2023
  • Thumbnail for Cyclooctatetraenide anion
    In chemistry, the cyclooctatetraenide anion or cyclooctatetraenide, more precisely cyclooctatetraenediide, is an aromatic species with a formula of [C8H8]2−...
    3 KB (189 words) - 08:51, 27 September 2023
  • Cyclopentadienyl radical, [C 5H 5]• Cyclopentadienyl cation, [C 5H 5]+ Cyclooctatetraenide anion, [C 8H 8]2− "Cyclopentadienide". PubChem Compound Database...
    3 KB (232 words) - 14:39, 7 May 2024
  • Thumbnail for Hückel's rule
    electrons has a nonplanar "tub" structure. However the dianion C 8H2– 8 (cyclooctatetraenide anion), with ten π electrons obeys the 4n + 2 rule for n = 2 and...
    14 KB (1,653 words) - 13:07, 4 November 2022
  • Thumbnail for Metallocene
    olefin polymerization. Some metallocenes consist of metal plus two cyclooctatetraenide anions (C 8H2− 8, abbreviated cot2−), namely the lanthanocenes and...
    22 KB (2,174 words) - 18:01, 25 June 2024
  • Thumbnail for Thorium
    (up to americium, and also expected for curium), thorium forms a cyclooctatetraenide complex: the yellow Th(C8H8)2, thorocene. It is isotypic with the...
    136 KB (15,966 words) - 02:35, 14 July 2024
  • ligands such as the cyclopentadienide ion [C5H5]−, alkenes and the cyclooctatetraenide ion [C8H8]2−, the number of adjacent atoms in the π-electron system...
    19 KB (2,209 words) - 15:27, 22 January 2024
  • organouranium compound composed of a uranium atom sandwiched between two cyclooctatetraenide rings. It was one of the first organoactinide compounds to be synthesized...
    10 KB (964 words) - 04:01, 17 June 2024
  • Thumbnail for Protactinium
    prepared by reacting protactinium tetrachloride with dipotassium cyclooctatetraenide (K2C8H8) in tetrahydrofuran. Although protactinium is situated in...
    50 KB (5,824 words) - 02:54, 13 July 2024
  • Thumbnail for Molecular symmetry
    tropylium (C7H7+) cation D8h E C8 C4 C2 S8 i 8C2 σh 4σv 4σd octagonal cyclooctatetraenide (C8H82−) anion uranocene D2d E 2S4 C2 2C2' 2σd 90° twist allene tetrasulfur...
    50 KB (4,313 words) - 11:22, 10 May 2024
  • Thumbnail for Alkali metal
    cyclooctatetraene in tetrahydrofuran to give alkali metal cyclooctatetraenides; for example, dipotassium cyclooctatetraenide (K2C8H8) is an important precursor to many...
    214 KB (23,537 words) - 20:06, 14 July 2024
  • Thumbnail for Samarium
    samarium cyclopentadienides can be replaced by the indenide (C9H7)− or cyclooctatetraenide (C8H8)2− ring, resulting in Sm(C9H7)3 or KSm(η(8)−C8H8)2. The latter...
    72 KB (8,167 words) - 15:59, 11 July 2024
  • Thumbnail for Plutonocene
    organoplutonium compound composed of a plutonium atom sandwiched between two cyclooctatetraenide (COT2-) rings. It is a dark red, very air-sensitive solid that is...
    8 KB (698 words) - 09:09, 29 June 2024
  • Thumbnail for Organouranium chemistry
    uranocene (COT)2U, which has an atom of uranium sandwiched between two cyclooctatetraenide anions (D8h molecular symmetry). The uranium f orbitals interact...
    5 KB (612 words) - 04:30, 10 May 2024
  • prepared by reacting protactinium tetrachloride with dipotassium cyclooctatetraenide, K2C8H8, in tetrahydrofuran. Category:Protactinium compounds Praseodymium...
    17 KB (1,760 words) - 20:03, 12 May 2024
  • Thumbnail for Neptunocene
    organoneptunium compound composed of a neptunium atom sandwiched between two cyclooctatetraenide (COT2-) rings. As a solid it has a dark brown/red colour but it appears...
    6 KB (475 words) - 09:07, 29 June 2024
  • Thumbnail for Organoactinide chemistry
    reducing it with aluminium powder before reacting it with potassium cyclooctatetraenide. Pa 2 O 5 + SOCl 2 → 400 C PaCl 5 {\displaystyle {\ce {Pa2O5 + SOCl2...
    14 KB (1,499 words) - 10:10, 24 August 2023
  • Thumbnail for Organothorium chemistry
    americium, and also expected for curium), thorium forms the yellow cyclooctatetraenide complex Th(C 8H 8) 2, thorocene. It is isotypic with the more well-known...
    6 KB (653 words) - 20:06, 12 May 2024
  • the formation of the three membered ring. By reacting dilithium cyclooctatetraenide with 2,4,6-tri-t-butylphenylphosphonous dichloride, the following...
    10 KB (1,017 words) - 01:00, 19 April 2024
View (previous 20 | ) (20 | 50 | 100 | 250 | 500)