Pyrylium
Chemical compound / From Wikipedia, the free encyclopedia
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Pyrylium is a cation (positive ion) with formula C5H5O+, consisting of a six-membered ring of five carbon atoms, each with one hydrogen atom, and one positively charged oxygen atom. The bonds in the ring are conjugated as in benzene, giving it an aromatic character. In particular, because of the positive charge, the oxygen atom is trivalent. Pyrilium is a mono-cyclic and heterocyclic compound, one of the oxonium ions.
Quick Facts Names, Identifiers ...
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Names | |||
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Preferred IUPAC name
Pyrylium[1] | |||
Other names
Pyranium | |||
Identifiers | |||
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3D model (JSmol) |
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1421881 | |||
ChEBI |
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ChemSpider |
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558560 | |||
PubChem CID |
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CompTox Dashboard (EPA) |
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Properties | |||
C5H5O+ | |||
Molar mass | 81.09 g/mol | ||
Related compounds | |||
Related compounds |
thiopyrylium, selenopyrylium, telluropyrylium | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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