Lewis base

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Lewis base

[′lü·əs ‚bās]
(chemistry)
A substance that can donate an electron pair; examples are the hydroxide ion, OH-, and ammonia, NH3.
References in periodicals archive ?
Generally halogen bonding is of two types, (i) halogen halogen interaction X X which is due to anisotropic distribution of electron density among halogen atoms, (ii) halogen lewis base interaction X AX.
Their frustrated pair comprised of the Lewis base tetramethylpiperidine or TMP and the Lewis acid tris(pentafluorophenyl)borane.
We have compared the ability of the HF, B3LYP, MP2, G2(MP2), and CBS-QB3 methods to predict the gas-phase complexation enthalpies of eight Lewis bases with borontrifluoride.
Polar modifiers comprised of Lewis bases are most often employed to control the level of vinyl structures formed during lithium-based anionic polymerization in non-polar solvents.
Lewis bases the asymmetry of causation on counterfactual irreversibility, which fails, (11) in his view, only in those special situations in which causation asymmetry also fails, very far from our case.
The Perrault of the Carrousel of 1662, as well as the one at the heart of the debate between the Anciens and the Modernes is what Lewis bases his study on at the beginning of his work.
Lewis bases her assertion on the results of an ongoing study of violent juvenile delinquents, as well as on previous research with young men on death row (SN: 10/31/87, p.
Preferred controlling agents for the electrophilic polymerization reaction are organic Lewis bases such as DMF, DMAc and NMP.

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