Definition of Dianion. Meaning of Dianion. Synonyms of Dianion

- A dianion is an anion with a net charge of −2. While there exist many stable molecular dianions, such as BeF4 2− and MgF4 2−, thus far no stable atomic...
- In organic chemistry, a diethynylbenzene dianion is an anion consisting of two ethynyl anions as substituents on a benzene ring. With the chemical formula...
- name: ethanedioate) is an anion with the chemical formula C2O2−4. This dianion is colorless. It occurs naturally, including in some foods. It forms a...
- species with a formula of [C8H8]2− and abbreviated as COT2−. It is the dianion of cyclooctatetraene. Salts of the cyclooctatetraenide anion can be stable...
- Cyclooctatetraene is reduced by elemental pot****ium to the dianion. The resulting dianion is a 10-pi electron system, which conforms to the Huckel rule...
- potential is −1.14 V. Te(s) + 2 e− ↔ Te2− Although solutions of the telluride dianion have not been reported, soluble salts of bitelluride (TeH−) are known....
- phase: Ortho-diethynylbenzene dianion (C6H4(C2)2)2− (the strongest superbase ever synthesized) Meta-diethynylbenzene dianion (C6H4(C2)2)2− (second strongest...
- atom and one other element in its chemical formula. "Oxide" itself is the dianion (anion bearing a net charge of −2) of oxygen, an O2− ion with oxygen in...
- and is thus a bicyclic analogue of the cyclooctatetraene (COT) dianion C8H2−8. The dianion can also be considered as two fused cyclopentadienyl rings, and...
- fragment ions of the type [B12X11]– derived from the closo-dodecaborate dianions [B12X12]2–. X represents a substituent connected to a boron atom (cf. Fig...