Dichromate ion
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Basic information
- CAS
13907-47-6- Standard SMILES
[O]=[Cr](=[O])([O-])[O][Cr](=[O])(=[O])[O-]- InChIKey
SOCTUWSJJQCPFX-UHFFFAOYSA-N- Molecular formula
- Cr2O7-2
- Average molar mass
- 215.99 g/mol
- Monoisotopic mass
- 215.8465145
Overview
Dichromate(2-) is a divalent inorganic anion obtained by removal of both protons from dichromic acid. It is a chromium oxoanion and a divalent inorganic anion. It is a conjugate base of a hydrogen dichromate.
Names & identifiers
- Preferred name
- Dichromate ion
- IUPAC
- oxido-(oxido(dioxo)chromio)oxy-dioxochromium
- English name
- BICHROMATE
- Molecular formula
- Cr2O7(-2)
- Molecular weight
- 215.99
Names & synonyms
DichromateBichromateDichromate ionDichromate ion(2-)Dichromate(2-)13907-47-6DichromatChromate (Cr2O72-)UNII-9LKY4BFN2V9LKY4BFN2VDichromate (Cr2O72-)Chromate (Cr2O7 2-)
Show more names
dichromate anion
Chromate (Cr2O7(2-))mu-oxo-hexaoxodichromate(VI)mu-oxo-hexaoxodichromate(2-)DTXSID5074004CHEBI:33141Cr2O7(2-)mu-oxido-bis(trioxidochromate)(2-)CHROMIC ACID (H2CR2O7), ION(2-)
Database identifiers
- CAS
13907-47-6- PubChem CID
- 24503
- DTXSID
DTXSID5074004- ChEBI
CHEBI:33141- UNII
- 9LKY4BFN2V
- Nikkaji
- J264.891A
Properties
Computed structural propertiesFilling in
- Topological polar surface area
- 124 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 7
- Rotatable bonds
- 0
- Heavy atoms
- 9
- Formal charge
- -2
- Complexity
- 194
Physicochemical properties
- FDA UNII
- 9 LKY4BFN2V · 9LKY4BFN2V
- EPA Substance Registry System
- Dichromate (13907-47-6)
Chemistry & industry
Additional notes
DefinitionChEBI: A divalent inorganic anion obtained by removal of both protons from dichromic acid.
Related reactions
248 records
Compound notes
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