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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B2PLYP=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-191.818420
Energy at 298.15K-191.824479
HF Energy-191.681088
Nuclear repulsion energy118.260160
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP=FULL/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3185 3185 6.52 66.36 0.62 0.77
2 A 3132 3132 0.00 7.27 0.75 0.86
3 A 3080 3080 4.18 171.36 0.01 0.03
4 A 1722 1722 62.74 1.93 0.58 0.73
5 A 1555 1555 0.00 39.81 0.75 0.86
6 A 1544 1544 33.02 40.12 0.74 0.85
7 A 1455 1455 23.89 3.07 0.65 0.79
8 A 1117 1117 0.00 5.57 0.60 0.75
9 A 952 952 0.00 3.62 0.75 0.86
10 A 758 758 0.87 12.70 0.17 0.29
11 A 383 383 0.67 0.30 0.41 0.58
12 A 94 94 0.00 0.06 0.75 0.86
13 B 3184 3184 11.26 49.34 0.75 0.86
14 B 3140 3140 16.28 96.67 0.75 0.86
15 B 3075 3075 1.03 0.07 0.75 0.86
16 B 1577 1577 26.53 0.39 0.75 0.86
17 B 1544 1544 0.86 1.06 0.75 0.86
18 B 1445 1445 44.02 7.16 0.75 0.86
19 B 1232 1232 95.30 0.01 0.75 0.86
20 B 1168 1168 5.76 0.02 0.75 0.86
21 B 908 908 11.42 3.54 0.75 0.86
22 B 511 511 12.23 2.30 0.75 0.86
23 B 508 508 0.01 1.38 0.75 0.86
24 B 160 160 0.40 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18713.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18713.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/3-21G*
ABC
0.32336 0.28589 0.16087

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.193
O2 0.000 0.000 1.432
C3 0.000 1.284 -0.632
C4 0.000 -1.284 -0.632
H5 0.000 2.144 0.038
H6 -0.000 -2.144 0.038
H7 0.884 1.316 -1.277
H8 -0.885 1.317 -1.276
H9 -0.884 -1.316 -1.277
H10 0.885 -1.317 -1.276

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.23921.52601.52602.14952.14952.16202.16192.16202.1619
O21.23922.43082.43082.55742.55743.13883.13843.13883.1384
C31.52602.43082.56781.09013.49261.09481.09482.82102.8214
C41.52602.43082.56783.49261.09012.82102.82141.09481.0948
H52.14952.55741.09013.49264.28781.78721.78713.80573.8057
H62.14952.55743.49261.09014.28783.80573.80571.78721.7871
H72.16203.13881.09482.82101.78723.80571.76903.17132.6329
H82.16193.13841.09482.82141.78713.80571.76902.63293.1727
H92.16203.13882.82101.09483.80571.78723.17132.63291.7690
H102.16193.13842.82141.09483.80571.78712.63293.17271.7690

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.368 C1 C3 H7 110.073
C1 C3 H8 110.064 C1 C4 H6 109.368
C1 C4 H9 110.073 C1 C4 H10 110.064
O2 C1 C3 122.720 O2 C1 C4 122.720
C3 C1 C4 114.561 H5 C3 H7 109.770
H5 C3 H8 109.761 H6 C4 H9 109.770
H6 C4 H10 109.761 H7 C3 H8 107.786
H9 C4 H10 107.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability