return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H10O (3-Pentanone)

using model chemistry: MP3=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-271.061649
Energy at 298.15K 
HF Energy-270.066030
Nuclear repulsion energy238.058765
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 MP3=FULL/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/aug-cc-pVDZ
ABC
0.29600 0.06465 0.05525

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.285
C2 0.000 0.000 0.068
C3 0.000 1.296 -0.736
C4 0.000 -1.296 -0.736
C5 0.000 2.555 0.134
C6 0.000 -2.555 0.134
H7 0.879 1.273 -1.404
H8 -0.879 1.273 -1.404
H9 -0.879 -1.273 -1.404
H10 0.879 -1.273 -1.404
H11 0.000 3.458 -0.495
H12 -0.887 2.580 0.784
H13 0.887 2.580 0.784
H14 0.000 -3.458 -0.495
H15 0.887 -2.580 0.784
H16 -0.887 -2.580 0.784

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21652.40042.40042.80222.80223.10193.10193.10193.10193.88892.77422.77423.88892.77422.7742
C21.21651.52501.52502.55612.55612.13562.13562.13562.13563.50322.82092.82093.50322.82092.8209
C32.40041.52502.59161.53093.94821.10441.10442.79632.79632.17512.17862.17864.75944.25694.2569
C42.40041.52502.59163.94821.53092.79632.79631.10441.10444.75944.25694.25692.17512.17862.1786
C52.80222.55611.53093.94825.11052.18692.18694.21854.21851.10041.09951.09956.04575.25205.2520
C62.80222.55613.94821.53095.11054.21854.21852.18692.18696.04575.25205.25201.10041.09951.0995
H73.10192.13561.10442.79632.18694.21851.75863.09472.54642.52383.10062.54834.89684.43124.7702
H83.10192.13561.10442.79632.18694.21851.75862.54643.09472.52382.54833.10064.89684.77024.4312
H93.10192.13562.79631.10444.21852.18693.09472.54641.75864.89684.43124.77022.52383.10062.5483
H103.10192.13562.79631.10444.21852.18692.54643.09471.75864.89684.77024.43122.52382.54833.1006
H113.88893.50322.17514.75941.10046.04572.52382.52384.89684.89681.78671.78676.91516.23546.2354
H122.77422.82092.17864.25691.09955.25203.10062.54834.43124.77021.78671.77396.23545.45725.1609
H132.77422.82092.17864.25691.09955.25202.54833.10064.77024.43121.78671.77396.23545.16095.4572
H143.88893.50324.75942.17516.04571.10044.89684.89682.52382.52386.91516.23546.23541.78671.7867
H152.77422.82094.25692.17865.25201.09954.43124.77023.10062.54836.23545.45725.16091.78671.7739
H162.77422.82094.25692.17865.25201.09954.77024.43122.54833.10066.23545.16095.45721.78671.7739

picture of 3-Pentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 121.822 O1 C2 C4 121.822
C2 C3 C5 113.531 C2 C3 H7 107.545
C2 C3 H8 107.545 C2 C4 C6 113.531
C2 C4 H9 107.545 C2 C4 H10 107.545
C3 C2 C4 116.356 C3 C5 H11 110.439
C3 C5 H12 110.769 C3 C5 H13 110.769
C4 C6 H14 110.439 C4 C6 H15 110.769
C4 C6 H16 110.769 C5 C3 H7 111.137
C5 C3 H8 111.137 C6 C4 H9 111.137
C6 C4 H10 111.137 H7 C3 H8 105.537
H9 C4 H10 105.537 H11 C5 H12 108.617
H11 C5 H13 108.617 H12 C5 H13 107.540
H14 C6 H15 108.617 H14 C6 H16 108.617
H15 C6 H16 107.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability