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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B2PLYP=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-192.972750
Energy at 298.15K-192.978631
HF Energy-192.765997
Nuclear repulsion energy119.132316
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/6-31+G**
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 3202 3045 6.01 68.74 0.62 0.76
2 A 3143 2989 0.31 12.51 0.72 0.84
3 A 3080 2929 7.87 261.70 0.01 0.02
4 A 1775 1688 170.06 11.66 0.61 0.75
5 A 1497 1424 26.40 18.84 0.67 0.81
6 A 1492 1419 5.29 15.51 0.74 0.85
7 A 1414 1345 17.59 1.83 0.48 0.65
8 A 1097 1044 0.02 3.23 0.43 0.60
9 A 900 856 0.04 1.34 0.73 0.84
10 A 799 760 1.23 15.47 0.14 0.24
11 A 382 363 1.26 0.53 0.67 0.81
12 A 32 30 0.01 0.26 0.74 0.85
13 B 3202 3045 9.95 54.08 0.75 0.86
14 B 3150 2995 18.53 99.99 0.75 0.86
15 B 3074 2923 2.47 1.55 0.75 0.86
16 B 1514 1439 24.08 0.14 0.75 0.86
17 B 1488 1416 1.01 1.10 0.75 0.86
18 B 1417 1348 59.86 0.82 0.75 0.86
19 B 1258 1196 65.68 4.06 0.75 0.86
20 B 1131 1076 1.61 0.03 0.75 0.86
21 B 907 863 5.96 3.50 0.75 0.86
22 B 534 508 14.10 1.45 0.75 0.86
23 B 489 465 0.73 0.67 0.75 0.86
24 B 126 120 0.04 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18552.0 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 17643.0 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/6-31+G**
ABC
0.33667 0.28373 0.16326

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.180
O2 0.000 0.000 1.403
C3 0.000 1.289 -0.615
C4 0.000 -1.289 -0.615
H5 0.073 2.140 0.059
H6 -0.073 -2.140 0.059
H7 0.832 1.302 -1.323
H8 -0.920 1.364 -1.200
H9 -0.832 -1.302 -1.323
H10 0.920 -1.364 -1.200

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.22321.51431.51432.14502.14502.15522.14752.15522.1475
O21.22322.39422.39422.52822.52823.13313.07963.13313.0796
C31.51432.39422.57871.08803.49611.09291.09352.81232.8688
C41.51432.39422.57873.49611.08802.81232.86881.09291.0935
H52.14502.52821.08803.49614.28331.78601.78213.81823.8191
H62.14502.52823.49611.08804.28333.81823.81911.78601.7821
H72.15523.13311.09292.81231.78603.81821.75803.09052.6701
H82.14753.07961.09352.86881.78213.81911.75802.67013.2908
H92.15523.13312.81231.09293.81821.78603.09052.67011.7580
H102.14753.07962.86881.09353.81911.78212.67013.29081.7580

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.949 C1 C3 H7 110.463
C1 C3 H8 109.821 C1 C4 H6 109.949
C1 C4 H9 110.463 C1 C4 H10 109.821
O2 C1 C3 121.632 O2 C1 C4 121.632
C3 C1 C4 116.735 H5 C3 H7 109.957
H5 C3 H8 109.563 H6 C4 H9 109.957
H6 C4 H10 109.563 H7 C3 H8 107.039
H9 C4 H10 107.039
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability