In chemistry, a zwitterion (/ˈtsvɪtəˌraɪən/ TSVIT-ə-ry-ən; from German Zwitter [ˈtsvɪtɐ] 'hermaphrodite'), also called an inner salt or dipolar ion, is...
10 KB (1,075 words) - 21:34, 28 September 2024
A quinonoid zwitterion is a mesoionic zwitterion based on quinone-related chemical compounds. The benzene derivate 1,3-dihydroxy-4,6-diaminobenzene is...
2 KB (171 words) - 06:20, 15 March 2023
compound with the formula H3NC6H4SO3. It is an off-white solid. It is a zwitterion, which explains its high melting point. It is a common building block...
8 KB (620 words) - 00:30, 24 October 2024
Salt (chemistry) (section Zwitterion)
acid CH3COOH. Zwitterions contain an anionic and a cationic centre in the same molecule, but are not considered salts. Examples of zwitterions are amino acids...
63 KB (6,942 words) - 00:48, 22 October 2024
Criegee intermediate (redirect from Criegee zwitterion)
A Criegee intermediate (also called a Criegee zwitterion or Criegee biradical) is a carbonyl oxide with two charge centers. These chemicals may react with...
6 KB (617 words) - 11:51, 10 November 2024
carboxylic acid is mostly deprotonated, so that the predominant species is the zwitterion H3N+−RCH−COO−. The pH at which the average charge is zero is known as...
9 KB (1,473 words) - 13:50, 30 October 2024
acidic water solutions, the molecule assumes an electrically neutral zwitterion structure −OOC−CH(NH+ 3)−(CH 2)2−COOH. It is encoded by the codons GAA...
35 KB (3,237 words) - 17:07, 11 September 2024
structure. Contributing structures containing charged atoms are denoted as zwitterions. Some dipolar compounds can have an uncharged canonical form. 1,2-dipolar...
3 KB (322 words) - 10:12, 16 October 2021
923-27-3 D Y 3D model (JSmol) Interactive image Zwitterion: Interactive image Protonated zwitterion: Interactive image ChEBI CHEBI:25094 Y ChEMBL ChEMBL28328 Y...
68 KB (7,547 words) - 20:48, 20 October 2024
Amino acid (category Zwitterions)
In aqueous solution at pH close to neutrality, amino acids exist as zwitterions, i.e. as dipolar ions with both NH+3 and CO−2 in charged states, so the...
98 KB (10,151 words) - 03:53, 21 October 2024