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Clar's rule states that for a benzenoid polycyclic aromatic hydrocarbon (i.e. one with only hexagonal rings), the resonance structure with the largest number of disjoint aromatic π-sextets is the most important to characterize its chemical and physical properties.
According to Clar's rule, [20] the resonance structure of a PAH that has the largest number of disjoint aromatic pi sextets—i.e. benzene-like moieties—is the most important for the characterization of the properties of that PAH. [21] Benzene-substructure resonance analysis for Clar's rule
Erich Clar (23 August 1902 – 27 March 1987) was an Austrian organic chemist, born in Hřensko, who studied polycyclic aromatic hydrocarbon chemistry. He is considered as the father of that field. [ 1 ]
The game also consists of several puzzles which the player must solve, including a block-moving puzzle box and a hallucinatory maze. Resonance features a creator's commentary mode. When this is active, hotspots are inserted into the gameworld which, when clicked, will trigger an audio commentary from either Vince Twelve or Dave and Janet ...
The first game to be released based on the Bleach series was Bleach: Heat the Soul, which debuted on March 24, 2005, and the latest releases are Bleach: Soul Resurrección, which was released in North America on August 2, 2011, and Bleach: Bankai Batoru, a social network game which was released in Japan on April 14, 2014.
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 by the stabilization of conjugation alone.
A weak July jobs report just triggered one of the most well-known, and historically accurate, recession indicators: the Sahm Rule.But the rule’s inventor, Claudia Sahm, pushed back against the ...
A strong positional game (also called Maker-Maker game) is a kind of positional game. [1]: 9–12 Like most positional games, it is described by its set of positions and its family of winning-sets (- a family of subsets of ). It is played by two players, called First and Second, who alternately take previously untaken positions.