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21-crown-7
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21-Crown-7 is an organic compound with the formula (C2H4O)7. Similar to other crown ethers, 21-crown-7 functions as a ligand for certain metal cations, with a specific affinity for caesium cations. The dipole moment of 21-crown-7 varies depending on the solvent and temperatures.
In the Vinony graph
Vinony's link graph records 3 inbound references to 21-crown-7, and connects out to caesium, digital object identifier and chemical formula.
It is catalogued under topics including Chembox image size set, Crown ethers and ECHA InfoCard ID from Wikidata.
Vinony links it to 4 Wikipedia language editions.
Chemical data
- Formula
- C14H28O7
- Molecular weight
- 308.37 g/mol
- IUPAC name
- 1,4,7,10,13,16,19-heptaoxacyclohenicosane
- SMILES
- C1COCCOCCOCCOCCOCCOCCO1
- InChIKey
- XKEHLMZHBXCJGZ-UHFFFAOYSA-N
- XLogP
- -0.8
- Polar surface area
- 64.6 Ų
- H-bond donors
- 0
- H-bond acceptors
- 7
- Formal charge
- 0
via PubChem
Wikidata facts
- Subclass of
- crown ether
- Mass
- 308.183503236
Show 3 more facts
- Commons category
- 21-crown-7
- canonical SMILES
- C1COCCOCCOCCOCCOCCOCCO1
- chemical formula
- C₁₄H₂₁O₇
Sources (2)
via Wikidata · CC0
~1 min read
Encyclopedic overview
2 sectionsContents
- References
- External links
21-Crown-7 is an organic compound with the formula (C2H4O)7. Similar to other crown ethers, 21-crown-7 functions as a ligand for certain metal cations, with a specific affinity for caesium cations. The dipole moment of 21-crown-7 varies depending on the solvent and temperatures.
== References ==
Excerpted from Wikipedia’s “21-crown-7” article, available under the CC BY-SA 4.0 licence.