Lewis base
E585212
A Lewis base is a chemical species that donates an electron pair to form a covalent bond, as defined in Lewis acid–base theory.
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
acid–base concept
ⓘ
chemical species ⓘ electron-pair donor ⓘ |
| broaderThan | Brønsted–Lowry base ⓘ |
| canBe |
anion
ⓘ
neutral molecule ⓘ pi-bonded species ⓘ pi-donor ligand ⓘ sigma-donor ligand ⓘ |
| canBeClassifiedBy | hard–soft acid–base theory ⓘ |
| centralConceptIn | Lewis acid–base theory NERFINISHED ⓘ |
| contrastsWith | Lewis acid ⓘ |
| definedIn | Lewis acid–base theory NERFINISHED ⓘ |
| donates | electron pair ⓘ |
| example |
alkenes
ⓘ
alkynes ⓘ amines ⓘ ammonia ⓘ carbon monoxide ⓘ chloride ion ⓘ cyanide ion ⓘ ethers ⓘ hydroxide ion ⓘ phosphines ⓘ water ⓘ |
| forms |
coordinate covalent bond
ⓘ
dative bond ⓘ |
| formsAdductWith | Lewis acid ⓘ |
| hasElectronPair | lone pair ⓘ |
| hasProperty |
acts as ligand toward metal center
ⓘ
can share electron density ⓘ |
| hasRoleIn | acid–base reaction ⓘ |
| interactsWith | Lewis acid ⓘ |
| isCharacterizedBy |
availability of lone pair
ⓘ
high electron density ⓘ nucleophilicity ⓘ |
| mayBe |
Brønsted–Lowry base
NERFINISHED
ⓘ
hard base ⓘ soft base ⓘ |
| mayNotBe | Brønsted–Lowry base ⓘ |
| namedAfter | Gilbert N. Lewis NERFINISHED ⓘ |
| participatesIn |
complex formation
ⓘ
coordination chemistry ⓘ |
| relatedTo |
Brønsted–Lowry base
NERFINISHED
ⓘ
nucleophile ⓘ |
| stabilizes | electron-deficient species ⓘ |
| usedIn |
catalysis
ⓘ
coordination chemistry ⓘ inorganic chemistry ⓘ organic chemistry ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.