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[1] [2] [3] Introduced by Gilbert N. Lewis in his 1916 article The Atom and the Molecule, a Lewis structure can be drawn for any covalently bonded molecule, as well as coordination compounds. [4] Lewis structures extend the concept of the electron dot diagram by adding lines between atoms to represent shared pairs in a chemical bond.
[1] In inorganic cyanides, the cyanide group is present as the cyanide anion − C≡N. This anion is extremely poisonous. Soluble salts such as sodium cyanide (NaCN) and potassium cyanide (KCN) are highly toxic. [2] Hydrocyanic acid, also known as hydrogen cyanide, or HCN, is a highly volatile liquid that is produced on a large scale ...
Hydrogen cyanide (formerly known as prussic acid) is a chemical compound with the formula HCN and structural formula H−C≡N.It is a highly toxic and flammable liquid that boils slightly above room temperature, at 25.6 °C (78.1 °F).
[6] Soon afterward, the same authors reported on their investigation of the ν 1 (N−H stretch) band. [ 7 ] Following these initial studies, several groups published manuscripts on the various ro-vibrational spectra of HCNH + , including studies of the ν 3 band (C≡N stretch), [ 8 ] the ν 4 band (H−C≡N bend), [ 9 ] and the ν 5 band (H ...
About 1902 Lewis started to use unpublished drawings of cubical atoms in his lecture notes, in which the corners of the cube represented possible electron positions. Lewis later cited these notes in his classic 1916 paper on chemical bonding, as being the first expression of his ideas.
Hydrogen isocyanide (HNC) is a linear triatomic molecule with C ∞v point group symmetry.It is a zwitterion and an isomer of hydrogen cyanide (HCN). [2] Both HNC and HCN have large, similar dipole moments, with μ HNC = 3.05 Debye and μ HCN = 2.98 Debye respectively. [3]
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In the same year that Brønsted and Lowry published their theory, G. N. Lewis created an alternative theory of acid–base reactions. The Lewis theory is based on electronic structure. A Lewis base is a compound that can give an electron pair to a Lewis acid, a compound that can accept an electron pair.