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

using model chemistry: CID/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 CID/3-21G
 hartrees
Energy at 0K-269.055110
Energy at 298.15K-269.046265
Nuclear repulsion energy238.469029
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 CID/3-21G
Rotational Constants (cm-1) from geometry optimized at CID/3-21G
ABC
0.29285 0.06546 0.05570

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.281
C2 0.000 0.000 0.053
C3 0.000 1.295 -0.755
C4 0.000 -1.295 -0.755
C5 0.000 2.537 0.153
C6 0.000 -2.537 0.153
H7 0.878 1.291 -1.408
H8 -0.878 1.291 -1.408
H9 -0.878 -1.291 -1.408
H10 0.878 -1.291 -1.408
H11 0.000 3.449 -0.445
H12 -0.880 2.535 0.795
H13 0.880 2.535 0.795
H14 0.000 -3.449 -0.445
H15 0.880 -2.535 0.795
H16 -0.880 -2.535 0.795

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22802.41272.41272.77642.77643.10933.10933.10933.10933.85652.72732.72733.85652.72732.7273
C21.22801.52601.52602.53912.53912.13822.13822.13822.13823.48472.78442.78443.48472.78442.7844
C32.41271.52602.58911.53913.93781.09411.09412.80772.80772.17672.17192.17194.75374.22444.2244
C42.41271.52602.58913.93781.53912.80772.80771.09411.09414.75374.22444.22442.17672.17192.1719
C52.77642.53911.53913.93785.07422.18172.18174.22664.22661.09031.08921.08926.01585.18815.1881
C62.77642.53913.93781.53915.07424.22664.22662.18172.18176.01585.18815.18811.09031.08921.0892
H73.10932.13821.09412.80772.18174.22661.75603.12292.58252.52093.08082.53014.91614.41544.7525
H83.10932.13821.09412.80772.18174.22661.75602.58253.12292.52092.53013.08084.91614.75254.4154
H93.10932.13822.80771.09414.22662.18173.12292.58251.75604.91614.41544.75252.52093.08082.5301
H103.10932.13822.80771.09414.22662.18172.58253.12291.75604.91614.75254.41542.52092.53013.0808
H113.85653.48472.17674.75371.09036.01582.52092.52094.91614.91611.77361.77366.89796.17446.1744
H122.72732.78442.17194.22441.08925.18813.08082.53014.41544.75251.77361.75986.17445.36745.0707
H132.72732.78442.17194.22441.08925.18812.53013.08084.75254.41541.77361.75986.17445.07075.3674
H143.85653.48474.75372.17676.01581.09034.91614.91612.52092.52096.89796.17446.17441.77361.7736
H152.72732.78444.22442.17195.18811.08924.41544.75253.08082.53016.17445.36745.07071.77361.7598
H162.72732.78444.22442.17195.18811.08924.75254.41542.53013.08086.17445.07075.36741.77361.7598

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 121.971 O1 C2 C4 121.971
C2 C3 C5 111.863 C2 C3 H7 108.262
C2 C3 H8 108.262 C2 C4 C6 111.863
C2 C4 H9 108.262 C2 C4 H10 108.262
C3 C2 C4 116.057 C3 C5 H11 110.592
C3 C5 H12 110.275 C3 C5 H13 110.275
C4 C6 H14 110.592 C4 C6 H15 110.275
C4 C6 H16 110.275 C5 C3 H7 110.764
C5 C3 H8 110.764 C6 C4 H9 110.764
C6 C4 H10 110.764 H7 C3 H8 106.740
H9 C4 H10 106.740 H11 C5 H12 108.932
H11 C5 H13 108.932 H12 C5 H13 107.769
H14 C6 H15 108.932 H14 C6 H16 108.932
H15 C6 H16 107.769
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability