isodesmic
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Isodesmic crystal — An isodesmic crystal is a crystal in which all the bonds have the same electrostatic valency. This means that all the bonds are of the same strength. Diamonds and halite have isodesmic crystals. The opposite of an isodesmic crystal is an… … Wikipedia
Isodesmic reaction — An isodesmic reaction is a chemical reaction in which the type of chemical bonds broken in the reactant are the same as the type of bonds formed in the reaction product. This type of reaction is often used as a hypothetical reaction in… … Wikipedia
Hyperconjugation — In organic chemistry, hyperconjugation is the interaction of the electrons in a sigma bond (usually C–H or C–C) with an adjacent empty (or partially filled) non bonding p orbital or antibonding π orbital or filled π orbital, to give an extended… … Wikipedia
Thermochemistry — For other uses, see Chemical thermodynamics. Thermochemistry is the study of the energy and heat associated with chemical reactions and/or physical transformations. A reaction may release or absorb energy, and a phase change may do the same, such … Wikipedia
Coronene — Other names … Wikipedia
Anisodesmic crystal — An anisodesmic crystal (sometimes anisodemic crystal) is a crystal containing bonds with differing electrostatic valencies. All other crystals are known as isodesmic crystals (or isodemic) and examples include diamond and halite. These terms are… … Wikipedia
Hiperconjugación — En química orgánica, la hiperconjugación es la interacción estabilizante que resulta de la interacción de los electrones en un orbital sigma (generalmente C H o C C) con un orbital pi adyacente vacío, no enlazante o antienlazantes, o con un… … Wikipedia Español
