mesoionic compound

Hello, you have come here looking for the meaning of the word mesoionic compound. In DICTIOUS you will not only get to know all the dictionary meanings for the word mesoionic compound, but we will also tell you about its etymology, its characteristics and you will know how to say mesoionic compound in singular and plural. Everything you need to know about the word mesoionic compound you have here. The definition of the word mesoionic compound will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofmesoionic compound, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.

English

Noun

mesoionic compound (plural mesoionic compounds)

  1. (chemistry) any of a class of compounds having five-membered ring heterocycles (or their benzo derivatives) which possess a sextet of π-electrons in association with the atoms comprising the ring, but which cannot be represented by any one covalent or polar structure; typically the ring structure contains both positive and negative delocalised charges which cannot be associated with any one ring atom, and the negative charge can also be associated with a conjugated exocyclic atom (typically oxygen, sulfur, or nitrogen).

See also