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In this section, only examples of antiaromatic compounds which are non-disputable are included. Pentalene is an antiaromatic compound which has been well-studied both experimentally and computationally for decades. It is dicyclic, planar and has eight π-electrons, fulfilling the IUPAC definition of antiaromaticity.
The compound is the prototypical antiaromatic hydrocarbon with 4 pi electrons (or π electrons). It is the smallest [n]-annulene ([4]-annulene).Its rectangular structure is the result of a pseudo [3] - (or second order) Jahn–Teller effect, which distorts the molecule and lowers its symmetry, converting the triplet to a singlet ground state. [4]
In organic chemistry, thiepine (or thiepin) is an unsaturated seven-membered heterocyclic compound, with six carbon atoms and one sulfur atom. The parent compound, C 6 H 6 S is unstable and is predicted to be antiaromatic.
Two different resonance forms of benzene (top) combine to produce an average structure (bottom). In organic chemistry, aromaticity is a chemical property describing the way in which a conjugated ring of unsaturated bonds, lone pairs, or empty orbitals exhibits a stabilization stronger than would be expected from conjugation alone.
Pages in category "Antiaromatic compounds" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes. ...
The following article contains mild spoilers from the Season 2 premiere of Unstable, now streaming on Netflix. For a light-hearted workplace comedy, the first season of Netflix’s Unstable left ...
That's why they're not there, because you don't know your lines." So, Jon (Lovitz) and I had to do a sketch with Charlton Heston. He needed glasses, but he said he didn't.
Upper bounds are usually easy to show in applications, and this is why scientists have worked more on proving lower bounds. Neglecting other forces, it is reasonable to assume that ordinary matter is composed of negative and positive non-relativistic charges ( electrons and ions ), interacting solely via the Coulomb's interaction .