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3-Cyclopenten-1-One

CAS: 14320-37-7 | C5H6O

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 14320-37-7
Molecular Formula: C5H6O
Molecular Weight: 82.102 g/mol

Names and Synonyms:

3-Cyclopenten-1-One Common Name
1-Cyclopenten-4-one Synonym
Δ3-Cyclopentenone Synonym
3-Cyclopentenone Synonym
3-Cyclopenten-1-one Synonym

Identifiers:

SMILES:
O=C1CC=CC1
InChI:
InChI=1S/C5H6O/c6-5-3-1-2-4-5/h1-2H,3-4H2

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Physical Properties

Property Value Source
molecular_mass 82.10 g/mol Legacy Database
density 0.98 g/cm³ Legacy Database
cas-boiling-point 133-135 °C None Legacy Database
cas-canonical-smile O=C1CC=CC1 None Legacy Database
cas-density 0.9821 g/cm3 @ Temp: 20 °C None Legacy Database
cas-inchi InChI=1S/C5H6O/c6-5-3-1-2-4-5/h1-2H,3-4H2 None Legacy Database
cas-inchi-key InChIKey=KQAVUGAZLAPNJY-UHFFFAOYSA-N None Legacy Database
cas-melting-point 65.3-65.6 °C @ Solvent: Ligroine None Legacy Database
cas-name 3-Cyclopenten-1-one None Legacy Database
LogP 0.9055 RDKit

Molecular

Property Value Source
Molecular Weight 82.102 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 82.041864812 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 6 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 1 count RDKit
Hydrogen Bond Donors 0 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 0 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 0 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 17.07 Ų RDKit

Molar

Property Value Source
Molar Refractivity 23.380999999999993 RDKit

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