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: MP4/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4/6-311+G(3df,2p)
 hartrees
Energy at 0K-271.311589
Energy at 298.15K 
HF Energy-270.124864
Nuclear repulsion energy238.811831
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 MP4/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at MP4/6-311+G(3df,2p)
ABC
0.29551 0.06529 0.05566

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.289
C2 0.000 0.000 0.068
C3 0.000 1.292 -0.738
C4 0.000 -1.292 -0.738
C5 0.000 2.542 0.134
C6 0.000 -2.542 0.134
H7 0.874 1.268 -1.402
H8 -0.874 1.268 -1.402
H9 -0.874 -1.268 -1.402
H10 0.874 -1.268 -1.402
H11 0.000 3.442 -0.485
H12 -0.879 2.563 0.779
H13 0.879 2.563 0.779
H14 0.000 -3.442 -0.485
H15 0.879 -2.563 0.779
H16 -0.879 -2.563 0.779

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22152.40372.40372.79252.79253.10063.10063.10063.10063.87242.75742.75743.87242.75742.7574
C21.22151.52231.52232.54312.54312.12872.12872.12872.12873.48642.80172.80173.48642.80172.8017
C32.40371.52232.58301.52463.93171.09741.09742.78492.78492.16582.16642.16644.74074.23504.2350
C42.40371.52232.58303.93171.52462.78492.78491.09741.09744.74074.23504.23502.16582.16642.1664
C52.79252.54311.52463.93175.08452.17822.17824.20014.20011.09191.09121.09126.01655.22075.2207
C62.79252.54313.93171.52465.08454.20014.20012.17822.17826.01655.22075.22071.09191.09121.0912
H73.10062.12871.09742.78492.17824.20011.74713.07982.53632.51643.08362.53684.87804.40884.7445
H83.10062.12871.09742.78492.17824.20011.74712.53633.07982.51642.53683.08364.87804.74454.4088
H93.10062.12872.78491.09744.20012.17823.07982.53631.74714.87804.40884.74452.51643.08362.5368
H103.10062.12872.78491.09744.20012.17822.53633.07981.74714.87804.74454.40882.51642.53683.0836
H113.87243.48642.16584.74071.09196.01652.51642.51644.87804.87801.77301.77306.88486.19986.1998
H122.75742.80172.16644.23501.09125.22073.08362.53684.40884.74451.77301.75896.19985.41975.1264
H132.75742.80172.16644.23501.09125.22072.53683.08364.74454.40881.77301.75896.19985.12645.4197
H143.87243.48644.74072.16586.01651.09194.87804.87802.51642.51646.88486.19986.19981.77301.7730
H152.75742.80174.23502.16645.22071.09124.40884.74453.08362.53686.19985.41975.12641.77301.7589
H162.75742.80174.23502.16645.22071.09124.74454.40882.53683.08366.19985.12645.41971.77301.7589

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 121.961 O1 C2 C4 121.961
C2 C3 C5 113.161 C2 C3 H7 107.588
C2 C3 H8 107.588 C2 C4 C6 113.161
C2 C4 H9 107.588 C2 C4 H10 107.588
C3 C2 C4 116.077 C3 C5 H11 110.649
C3 C5 H12 110.736 C3 C5 H13 110.736
C4 C6 H14 110.649 C4 C6 H15 110.736
C4 C6 H16 110.736 C5 C3 H7 111.307
C5 C3 H8 111.307 C6 C4 H9 111.307
C6 C4 H10 111.307 H7 C3 H8 105.498
H9 C4 H10 105.498 H11 C5 H12 108.610
H11 C5 H13 108.610 H12 C5 H13 107.402
H14 C6 H15 108.610 H14 C6 H16 108.610
H15 C6 H16 107.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability