Coordination complex of a metal and cyclopentadienyl groups
Zirconocene dichloride, a cyclopentadienyl complex
A cyclopentadienyl complex is a coordination complex of a metal and cyclopentadienyl groups (C 5H− 5, abbreviated as Cp−). Cyclopentadienyl ligands almost invariably bind to metals as a pentahapto (η5-) bonding mode. The metal–cyclopentadienyl interaction is typically drawn as a single line from the metal center to the center of the Cp ring.[1][2]
^Elschenbroich, C. "Organometallics" (2006) Wiley-VCH: Weinheim. ISBN 978-3-527-29390-2
^Yamamoto, A. (1986). Organotransition Metal Chemistry: Fundamental Concepts and Applications. New York, NY: Wiley-Interscience. p. 105.[ISBN missing]
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A cyclopentadienylcomplex is a coordination complex of a metal and cyclopentadienyl groups (C 5H− 5, abbreviated as Cp−). Cyclopentadienyl ligands almost...
compound with the formula Fe(C5H5)2. The molecule is a complex consisting of two cyclopentadienyl rings sandwiching a central iron atom. It is an orange...
A metallocene is a compound typically consisting of two cyclopentadienyl anions (C 5H− 5, abbreviated Cp) bound to a metal center (M) in the oxidation...
η5cyclopentadienyl anion (Cp), thus indenyl analogues of many cyclopentadienylcomplexes are known. Indenyl ligands lack the 5-fold symmetry of Cp, so...
cyclopentadienide is also used for the preparation of substituted cyclopentadienyl derivatives such as the ester and formyl derivatives: NaC5H5 + O=C(OEt)2...
quickly applied in the Mond process for nickel purification. Organonickel complexes are prominent in numerous industrial processes including carbonylations...
air-stable red liquid. It has been reported to be the simplest mono-cyclopentadienyl metal complex. It is prepared by treating nickelocene with nitric oxide. Its...
organonickel compound with the formula Ni(η5-C5H5)2. Also known as bis(cyclopentadienyl)nickel or NiCp2, this bright green paramagnetic solid is of enduring...
Cobaltocene, known also as bis(cyclopentadienyl)cobalt(II) or even "bis Cp cobalt", is an organocobalt compound with the formula Co(C5H5)2. It is a dark...
are also called bis(cyclopentadienyl)metal complexes. Other arenes can serve as ligands as well. Mixed cyclopentadienylcomplexes: M(C5H5)(CnHn). Some...
tantalum alkylidene complexes to yield olefin metathesis products. Some of the first reported organotantalum complexes were cyclopentadienyl derivatives. These...
diethyl ether to form the trigonal planar gallium cyclopentadienylcomplex GaCp3. Gallium(I) forms complexes with arene ligands such as hexamethylbenzene....
G. (1983-05-01). "Reversible exchange of (.eta.5-cyclopentadienyl)(dinitrosoalkane)cobalt complexes with alkenes. Kinetic and spectroscopic evidence for...
thermal runaway. MMT is a so-called half-sandwich complex, or more specifically a "piano-stool" complex (since the three CO ligands are like the legs of...
popularly used as a precursor to the cyclopentadienyl anion (Cp−), an important ligand in cyclopentadienylcomplexes in organometallic chemistry. Cyclopentadiene...
structure of dicarbonyl-η5-cyclopentadienyl-(η2-tetramethylallenyl)iron tetrafluoroborate. A sterically crowded allene complex". Journal of the Chemical...
dichloride are more prevalent. Complexes are typically prepared by treatment of NbCl5 with NaCp to form the bis(cyclopentadienyl) complex followed by further functionalization...
to describe compounds involving two or more metals such as the cyclopentadienylcomplex Cp6Ni2Zn4. A B2 intermetallic compound has equal numbers of atoms...
an example of a half-sandwich complex. It is a dark red air sensitive liquid. This compound features one cyclopentadienyl ring that is bound in an η5-manner...
and iodide centre. The compound adopts a piano stool structure: the cyclopentadienyl ligand is the "seat" and three other ligands are "legs". Such compounds...
effected with TiCl4 or by reaction with SOCl2. The sandwich complex (Cycloheptatrienyl)(cyclopentadienyl)titanium is prepared by treatment of titanocene dichloride...
a group 14 sandwich compound. It is an example of a main-group cyclopentadienylcomplex; these molecules are related to metallocenes but contain p-block...
consists of ferrocene substituted by an acetyl group on one of the cyclopentadienyl rings. It is an orange, air-stable solid that is soluble in organic...
of the "sandwich complex" ferrocene by X-ray crystallography where an iron atom is "sandwiched" between two parallel cyclopentadienyl rings. Cotton later...
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