mesoionic compound

İngilizce - İngilizce

mesoionic compound teriminin İngilizce İngilizce sözlükte anlamı

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)

Heceleme

mesoionic com·pound