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

using model chemistry: CISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
Energy calculated at CISD/3-21G*
 hartrees
Energy at 0K-269.058062
Energy at 298.15K-269.049219
Nuclear repulsion energy238.367085
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 CISD/3-21G*
Rotational Constants (cm-1) from geometry optimized at CISD/3-21G*
ABC
0.29239 0.06542 0.05566

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.282
C2 0.000 0.000 0.053
C3 0.000 1.295 -0.756
C4 0.000 -1.295 -0.756
C5 0.000 2.538 0.153
C6 0.000 -2.538 0.153
H7 0.878 1.292 -1.409
H8 -0.878 1.292 -1.409
H9 -0.878 -1.292 -1.409
H10 0.878 -1.292 -1.409
H11 0.000 3.450 -0.444
H12 -0.880 2.536 0.795
H13 0.880 2.536 0.795
H14 0.000 -3.450 -0.444
H15 0.880 -2.536 0.795
H16 -0.880 -2.536 0.795

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22942.41472.41472.77752.77753.11133.11133.11133.11133.85782.72772.72773.85782.72772.7277
C21.22941.52681.52682.53972.53972.13902.13902.13902.13903.48562.78472.78473.48562.78472.7847
C32.41471.52682.59021.53963.93911.09421.09422.80872.80872.17732.17242.17244.75534.22554.2255
C42.41471.52682.59023.93911.53962.80872.80871.09421.09424.75534.22554.22552.17732.17242.1724
C52.77752.53971.53963.93915.07532.18242.18244.22784.22781.09051.08941.08946.01745.18895.1889
C62.77752.53973.93911.53965.07534.22784.22782.18242.18246.01745.18895.18891.09051.08941.0894
H73.11132.13901.09422.80872.18244.22781.75633.12382.58332.52193.08162.53084.91784.41644.7535
H83.11132.13901.09422.80872.18244.22781.75632.58333.12382.52192.53083.08164.91784.75354.4164
H93.11132.13902.80871.09424.22782.18243.12382.58331.75634.91784.41644.75352.52193.08162.5308
H103.11132.13902.80871.09424.22782.18242.58333.12381.75634.91784.75354.41642.52192.53083.0816
H113.85783.48562.17734.75531.09056.01742.52192.52194.91784.91781.77401.77406.90006.17556.1755
H122.72772.78472.17244.22551.08945.18893.08162.53084.41644.75351.77401.76006.17555.36785.0711
H132.72772.78472.17244.22551.08945.18892.53083.08164.75354.41641.77401.76006.17555.07115.3678
H143.85783.48564.75532.17736.01741.09054.91784.91782.52192.52196.90006.17556.17551.77401.7740
H152.72772.78474.22552.17245.18891.08944.41644.75353.08162.53086.17555.36785.07111.77401.7600
H162.72772.78474.22552.17245.18891.08944.75354.41642.53083.08166.17555.07115.36781.77401.7600

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 121.981 O1 C2 C4 121.981
C2 C3 C5 111.831 C2 C3 H7 108.258
C2 C3 H8 108.258 C2 C4 C6 111.831
C2 C4 H9 108.258 C2 C4 H10 108.258
C3 C2 C4 116.039 C3 C5 H11 110.596
C3 C5 H12 110.271 C3 C5 H13 110.271
C4 C6 H14 110.596 C4 C6 H15 110.271
C4 C6 H16 110.271 C5 C3 H7 110.780
C5 C3 H8 110.780 C6 C4 H9 110.780
C6 C4 H10 110.780 H7 C3 H8 106.750
H9 C4 H10 106.750 H11 C5 H12 108.937
H11 C5 H13 108.937 H12 C5 H13 107.763
H14 C6 H15 108.937 H14 C6 H16 108.937
H15 C6 H16 107.763
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability