Uranocene, U(C8H8)2, is an organouranium compound composed of a uranium atom sandwiched between two cyclooctatetraenide rings. It was one of the first...
10 KB (964 words) - 02:56, 5 December 2024
8, abbreviated cot2−), namely the lanthanocenes and the actinocenes (uranocene and others). Metallocenes are a subset of a broader class of compounds...
22 KB (2,174 words) - 00:45, 15 January 2025
thorocene. It is isotypic with the better-known analogous uranium compound uranocene. It can be prepared by reacting K2C8H8 with thorium tetrachloride in tetrahydrofuran...
145 KB (16,480 words) - 07:19, 8 February 2025
analogous in structure to uranocene. There, the metal atom is sandwiched between two cyclooctatetraene ligands. Similar to uranocene, it can be prepared by...
50 KB (5,854 words) - 07:17, 8 February 2025
that is used as a precursor to cyclooctatetraenide complexes, such as uranocene (U(C8H8)2). Analogs of K2C8H8 are known with ring substituents, with different...
3 KB (222 words) - 05:52, 7 April 2023
not obvious from the formula. Ferrocene: bis(η5-cyclopentadienyl)iron Uranocene: bis(η8-1,3,5,7-cyclooctatetraene)uranium W(CO)3(PPri3)2(η2-H2): the first...
13 KB (1,321 words) - 20:45, 16 January 2024
elements at elevated temperature. Organometallic complexes analogous to uranocene are known also for other actinides, such as thorium, protactinium, neptunium...
66 KB (7,821 words) - 17:43, 11 February 2025
Ken Raymond (section Uranocene)
independent research career was the determination of the crystal structure of uranocene (di-π-(cyclooctatetraene)uranium). This structure was a seminal discovery...
12 KB (1,290 words) - 21:59, 4 January 2025
group of Andrew Streitwieser prepared the stable but pyrophoric compound uranocene (COT)2U, which has an atom of uranium sandwiched between two cyclooctatetraenide...
5 KB (612 words) - 04:30, 10 May 2024
compounds Metallocene f-block metallocene Actinocene Thorocene Protactinocene Uranocene Neptunocene Plutonocene Zirconocene Vanadocene Chromocene Bis(benzene)chromium...
53 KB (5,184 words) - 03:23, 11 February 2025
important precursor to many metal cyclooctatetraenyl derivatives, such as uranocene.: 266 The large and very weakly polarising alkali metal cations can stabilise...
225 KB (24,110 words) - 02:27, 10 February 2025
resulting in the general formula An(C8H8)2. The most studied actinocene is uranocene, U(C8H8)2, which in 1968 was the first member of this family to be synthesised...
8 KB (615 words) - 10:00, 18 January 2025
Sm(C9H7)3 or KSm(η(8)−C8H8)2. The latter compound has a structure similar to uranocene. There is also a cyclopentadienide of divalent samarium, Sm(C5H5)2 a solid...
72 KB (8,245 words) - 01:53, 23 December 2024
application with A. Chang was the first assignment of the visible spectrum of uranocene. During 1986–87 he served as Acting Associate Director of the Ohio Supercomputer...
5 KB (613 words) - 20:46, 29 April 2022
including yttrium, lanthanides, and actinides. The sandwich compound uranocene (U(COT)2) features two η8-COT ligands. In bis(cyclooctatetraene)iron (Fe(COT)2)...
17 KB (1,518 words) - 05:53, 11 September 2024
C4 C2 S8 i 8C2 σh 4σv 4σd octagonal cyclooctatetraenide (C8H82−) anion uranocene D2d E 2S4 C2 2C2' 2σd 90° twist allene tetrasulfur tetranitride diborane(4)...
54 KB (5,082 words) - 18:00, 10 February 2025
by reacting neptunium(IV) chloride with K2(C8H8). It is isomorphous to uranocene and plutonocene, and they behave chemically identically: all three compounds...
114 KB (13,777 words) - 12:51, 1 January 2025
cyclopentadienyl and cyclooctatetraenyl ligands. Cerocene (Ce(C8H8)2) adopts the uranocene molecular structure. The 4f electron in cerocene is poised ambiguously...
52 KB (6,141 words) - 04:34, 23 January 2025
bulky ligands to give compounds such as Ln[CH(SiMe3)3]. Analogues of uranocene are derived from dilithiocyclooctatetraene, Li2C8H8. Organic lanthanide(II)...
107 KB (10,330 words) - 15:32, 5 February 2025
Protactinocene (Pa(C8H8)2) 51056-18-9 Thorocene (Th(C8H8)2) 12702-09-9 Uranocene U(C8H8)2 11079-26-8 green Neptunocene (Np(C8H8)2) 154974-81-9 dark brown...
3 KB (189 words) - 19:32, 8 December 2024
chemical species was discovered in 1968 by Andrew Streitwieser, who prepared uranocene by reacting K(COT)2 with UCl4 in tetrahydrofuran at 0 °C. The compound...
15 KB (1,599 words) - 15:56, 19 January 2025
Ferrocene and Uranocene also serve as examples where LBN and coordination number differ. Ferrocene has two η5 cyclopentadienyl ligands while Uranocene has two...
5 KB (475 words) - 00:48, 28 June 2021
compounds Related compounds Metallocene f-Block metallocene Actinocene Uranocene Zirconocene Vanadocene Chromocene Ferrocene Plumbocene Except where otherwise...
17 KB (1,555 words) - 13:31, 21 October 2023
americium with magnesium diboride in vacuum or inert atmosphere. Analogous to uranocene, americium is predicted to form the organometallic compound amerocene...
77 KB (9,345 words) - 00:28, 23 December 2024
elements in the +4 oxidation state. Compared to other actinocenes such as uranocene, plutonocene has been studied to a lesser degree since the 1980s due to...
8 KB (698 words) - 19:39, 8 December 2024
monoclinic crystal structure (P21/n space group) which is isomorphous to uranocene and thorocene but not to plutonocene. Neptunocene was first synthesised...
6 KB (475 words) - 14:27, 29 January 2025
It is isotypic with the more well-known analogous uranium compound, uranocene. Although these f-series cyclooctatetraenyls are not isotypic with the...
6 KB (653 words) - 20:06, 12 May 2024
analogous in structure to uranocene. There, the metal atom is sandwiched between two cyclooctatetraene ligands. Similar to uranocene, it can be prepared by...
17 KB (1,760 words) - 22:55, 18 November 2024
cyclopentadienyl and cyclooctatetraenyl ligands. Cerocene (Ce(C8H8)2) adopts the uranocene molecular structure. The 4f electron in cerocene, Ce(C 8H 8) 2, is poised...
10 KB (1,138 words) - 14:16, 23 January 2025
americium with magnesium diboride in vacuum or inert atmosphere. Analogous to uranocene, americium forms the organometallic compound amerocene with two cyclooctatetraene...
15 KB (1,603 words) - 18:28, 26 October 2023