Английская Википедия:Carbon oxohalide

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Шаблон:Short description

Carbon oxohalides are a group of chemical compounds that contain only carbon, oxygen and halogen atoms: fluorine, chlorine, bromine and iodine. They include carbonyl halides, Шаблон:Chem2, and oxalyl halides, Шаблон:Chem2, where X = F, Cl, Br or I. The halogen atoms X do not have to be identical; they differ in mixed oxohalides. Most combinations of halogens exist but carbonyl iodide, Шаблон:Chem2, is unknown. The carbon–oxygen bond length in carbonyl halides (1.13–1.17 Å)[1] is shorter than in other carbonyl compounds[2] such as aldehydes and ketones, carboxylic acids, esters and amides (1.20–1.21 Å).[3] They are reactive reagents for halogenation,[1] acylation and dehydration reactions.[4]

Carbon oxohalides[1]
Name Formula Melting point / °C Boiling point / °C C–O bond length / Å
Carbonyl fluoride Шаблон:Chem2 −114 −83.1 1.174
Carbonyl chloride fluoride COFCl −42
Carbonyl bromide fluoride COFBr −20.6
Phosgene Шаблон:Chem2 −127.8 +7.6 1.166
Carbonyl iodide fluoride COFI −90 +23.4
Carbonyl bromide chloride COClBr
Carbonyl bromide Шаблон:Chem2 +64.5 1.13
Oxalyl fluoride Шаблон:Chem2 −3 +26.6
Oxalyl chloride Шаблон:Chem2 −16 +63
Diphosgene Шаблон:Chem2 −57 +128
Triphosgene Шаблон:Chem2 +80 +206

See also

Шаблон:Commons category

References

Шаблон:Reflist