Acetone
- Formula: C3H6O
- Molecular weight: 58.0791
- IUPAC Standard InChIKey: CSCPPACGZOOCGX-UHFFFAOYSA-N
- CAS Registry Number: 67-64-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Isotopologues:
- Other names: 2-Propanone; β-Ketopropane; Dimethyl ketone; Dimethylformaldehyde; Methyl ketone; Propanone; Pyroacetic ether; (CH3)2CO; Dimethylketal; Ketone propane; Ketone, dimethyl-; Chevron acetone; Rcra waste number U002; UN 1090; Sasetone; Propan-2-one; NSC 135802
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- Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 85
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Vibrational and/or electronic energy levels
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Takehiko Shimanouchi
Symmetry: C2ν Symmetry Number σ = 2
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a1 | 1 | CH3 d-str | 3019 | C | 3018.5 S | gas | 3005.5 S | liq. | SF(ν13) | |
a1 | 2 | CH3 s-str | 2937 | D | 2937 S | gas | 2922 VS p | liq. | SF(ν14) | |
a1 | 3 | CO str | 1731 | C | 1731 VS | gas | 1710.5 S p | liq. | ||
a1 | 4 | CH3 d-deform | 1435 | C | 1435 S | gas | 1430 S | liq. | ||
a1 | 5 | CH3 s-deform | 1364 | C | 1363.5 VS | gas | 1356 W | liq. | SF(ν16) | |
a1 | 6 | CH3 rock | 1066 | C | 1066 M p | liq. | ||||
a1 | 7 | CC str | 777 | C | 777 W | gas | 787 VS p | liq. | ||
a1 | 8 | CCC deform | 385 | C | 385 W | gas | 393 W dp | liq. | ||
a2 | 9 | CH3 d-str | 2963 | E | ia | CF | ||||
a2 | 10 | CH3 d-deform | 1426 | E | ia | CF | ||||
a2 | 11 | CH3 rock | 877 | E | ia | CF | ||||
a2 | 12 | Torsion | 105 | D | ia | CF, MW: ν102 | ||||
b1 | 13 | CH3 d-str | 3019 | C | 3018.5 S | gas | 3005.5 S dp | liq. | SF(ν1) | |
b1 | 14 | CH3 s-str | 2937 | D | 2937 S | gas | 2922 VS | liq. | SF(ν2) | |
b1 | 15 | CH3 d-deform | 1410 | C | 1410 S | gas | ||||
b1 | 16 | CH3 s-deform | 1364 | C | 1363.5 VS | gas | SF(ν5) | |||
b1 | 17 | CC str | 1216 | C | 1215.5 VS | gas | 1221 M dp | liq. | ||
b1 | 18 | CH3 rock | 891 | C | 891 M | gas | 902.5 W dp | liq. | ||
b1 | 19 | CO ip-bend | 530 | C | 530 S | gas | 531 M dp | liq. | ||
b2 | 20 | CH3 d-str | 2972 | C | 2972 S | gas | 2967 S | liq. | ||
b2 | 21 | CH3 d-deform | 1454 | C | 1454 S | gas | ||||
b2 | 22 | CH3 rock | 1091 | C | 1090.5 M | gas | ||||
b2 | 23 | CO op-bend | 484 | C | 484 W | gas | 493 W dp | liq. | ||
b2 | 24 | Torsion | 109 | D | 109 | gas | MW: ν102 | |||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
S | Strong |
M | Medium |
W | Weak |
ia | Inactive |
p | Polarized |
dp | Depolarized |
CF | Calculated frequency |
SF | Calculation shows that the frequency approximately equals that of the vibration indicated in the parentheses. |
MW | Torsional Frequency calculated from microwave spectroscopic data. |
C | 3~6 cm-1 uncertainty |
D | 6~15 cm-1 uncertainty |
E | 15~30 cm-1 uncertainty |
References
Go To: Top, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
Go To: Top, Vibrational and/or electronic energy levels, References
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