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

using model chemistry: MP2=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-270.503597
Energy at 298.15K 
HF Energy-269.908595
Nuclear repulsion energy236.125018
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 MP2=FULL/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3158 3000 33.40      
2 A1 3075 2921 1.74      
3 A1 3045 2893 27.60      
4 A1 1646 1564 21.32      
5 A1 1572 1493 9.22      
6 A1 1545 1468 19.01      
7 A1 1490 1415 6.81      
8 A1 1403 1333 7.73      
9 A1 1144 1087 2.40      
10 A1 1051 998 2.55      
11 A1 793 754 1.40      
12 A1 420 399 0.28      
13 A1 203 192 0.53      
14 A2 3169 3011 0.00      
15 A2 3075 2922 0.00      
16 A2 1569 1491 0.00      
17 A2 1315 1249 0.00      
18 A2 1059 1006 0.00      
19 A2 771 732 0.00      
20 A2 213 203 0.00      
21 A2 44 42 0.00      
22 B1 3169 3011 49.36      
23 B1 3085 2931 24.24      
24 B1 1569 1491 11.69      
25 B1 1343 1276 1.75      
26 B1 1198 1138 0.42      
27 B1 857 814 9.86      
28 B1 476 453 0.03      
29 B1 198 188 0.22      
30 B1 63 60 0.16      
31 B2 3158 3000 15.68      
32 B2 3074 2921 43.76      
33 B2 3038 2886 7.90      
34 B2 1571 1493 7.99      
35 B2 1540 1464 0.60      
36 B2 1490 1416 6.49      
37 B2 1421 1350 23.67      
38 B2 1184 1125 66.01      
39 B2 1074 1021 0.64      
40 B2 982 933 16.50      
41 B2 638 607 4.04      
42 B2 322 306 12.85      

Unscaled Zero Point Vibrational Energy (zpe) 31603.8 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 30026.8 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 MP2=FULL/6-31G
ABC
0.28724 0.06408 0.05452

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.313
C2 0.000 0.000 0.048
C3 0.000 1.305 -0.749
C4 0.000 -1.305 -0.749
C5 0.000 2.565 0.139
C6 0.000 -2.565 0.139
H7 0.880 1.298 -1.415
H8 -0.880 1.298 -1.415
H9 -0.880 -1.298 -1.415
H10 0.880 -1.298 -1.415
H11 0.000 3.470 -0.483
H12 -0.885 2.584 0.787
H13 0.885 2.584 0.787
H14 0.000 -3.470 -0.483
H15 0.885 -2.584 0.787
H16 -0.885 -2.584 0.787

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.26472.44012.44012.82102.82103.14643.14643.14643.14643.90752.78132.78133.90752.78132.7813
C21.26471.52931.52932.56672.56672.14482.14482.14482.14483.51072.82912.82913.51072.82912.8291
C32.44011.52932.61051.54113.97081.10361.10362.82792.82792.18122.18502.18504.78294.27364.2736
C42.44011.52932.61053.97081.54112.82792.82791.10361.10364.78294.27364.27362.18122.18502.1850
C52.82102.56671.54113.97085.13012.18912.18914.25614.25611.09831.09691.09696.06735.26425.2642
C62.82102.56673.97081.54115.13014.25614.25612.18912.18916.06735.26425.26421.09831.09691.0969
H73.14642.14481.10362.82792.18914.25611.76013.13712.59682.52183.10042.54894.93784.46264.7990
H83.14642.14481.10362.82792.18914.25611.76012.59683.13712.52182.54893.10044.93784.79904.4626
H93.14642.14482.82791.10364.25612.18913.13712.59681.76014.93784.46264.79902.52183.10042.5489
H103.14642.14482.82791.10364.25612.18912.59683.13711.76014.93784.79904.46262.52182.54893.1004
H113.90753.51072.18124.78291.09836.06732.52182.52184.93784.93781.78361.78366.94056.24866.2486
H122.78132.82912.18504.27361.09695.26423.10042.54894.46264.79901.78361.77026.24865.46215.1673
H132.78132.82912.18504.27361.09695.26422.54893.10044.79904.46261.78361.77026.24865.16735.4621
H143.90753.51074.78292.18126.06731.09834.93784.93782.52182.52186.94056.24866.24861.78361.7836
H152.78132.82914.27362.18505.26421.09694.46264.79903.10042.54896.24865.46215.16731.78361.7702
H162.78132.82914.27362.18505.26421.09694.79904.46262.54893.10046.24865.16735.46211.78361.7702

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 121.404 O1 C2 C4 121.404
C2 C3 C5 113.429 C2 C3 H7 108.006
C2 C3 H8 108.006 C2 C4 C6 113.429
C2 C4 H9 108.006 C2 C4 H10 108.006
C3 C2 C4 117.191 C3 C5 H11 110.340
C3 C5 H12 110.725 C3 C5 H13 110.725
C4 C6 H14 110.340 C4 C6 H15 110.725
C4 C6 H16 110.725 C5 C3 H7 110.648
C5 C3 H8 110.648 C6 C4 H9 110.648
C6 C4 H10 110.648 H7 C3 H8 105.765
H9 C4 H10 105.765 H11 C5 H12 108.686
H11 C5 H13 108.686 H12 C5 H13 107.597
H14 C6 H15 108.686 H14 C6 H16 108.686
H15 C6 H16 107.597
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability