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In chemistry, the cyclopentadienyl anion or cyclopentadienide is an aromatic species with a formula of [C 5 H 5] − and abbreviated as Cp −. [1] It is formed by the deprotonation of cyclopentadiene. The cyclopentadienyl anion is a ligand which binds to a metal in organometallic chemistry. [2]
In chemistry, cyclopentadienyl is a radical with the formula C 5 H 5. The related cyclopentadienyl anion (which can formally be converted to the cyclopentadienyl radical by one-electron reduction) is aromatic , and forms salts and coordination compounds .
Cyclopentadiene is an organic compound with the formula C 5 H 6. [6] It is often abbreviated CpH because the cyclopentadienyl anion is abbreviated Cp −.. This colorless liquid has a strong and unpleasant odor.
The cyclopentadienyl cation is another textbook example of an antiaromatic compound. It is conventionally understood to be planar, cyclic, and have 4 π electrons (4n for n=1) in a conjugated system. However, it has long been questioned if the cyclopentadienyl cation is genuinely antiaromatic and recent discoveries have suggested that it may ...
Heteroarenes are aromatic compounds, where at least one methine or vinylene (-C= or -CH=CH-) group is replaced by a heteroatom: oxygen, nitrogen, or sulfur. [3] Examples of non-benzene compounds with aromatic properties are furan, a heterocyclic compound with a five-membered ring that includes a single oxygen atom, and pyridine, a heterocyclic compound with a six-membered ring containing one ...
A cyclopentadienyl complex is a coordination complex of a metal and cyclopentadienyl groups (C 5 H − 5, abbreviated as Cp −). Cyclopentadienyl ligands almost invariably bind to metals as a pentahapto (η 5-) bonding mode. The metal–cyclopentadienyl interaction is typically drawn as a single line from the metal center to the center of the ...
Cyclopentadienyl can refer to Cyclopentadienyl anion, ... Cyclopentadienyl cation, [C 5 H 5] + See also. Pentadienyl This page was last edited on 3 July 2021 ...
Ferrocene is an organometallic compound with the formula Fe(C 5 H 5) 2.The molecule is a complex consisting of two cyclopentadienyl rings sandwiching a central iron atom. It is an orange solid with a camphor-like odor that sublimes above room temperature, and is soluble in most organic solvents.