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

using model chemistry: MP3=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-271.123620
Energy at 298.15K 
HF Energy-270.087554
Nuclear repulsion energy239.261383
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/6-311G*
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 3170 3170 30.18      
2 A1 3092 3092 1.66      
3 A1 3075 3075 27.43      
4 A1 1882 1882 104.75      
5 A1 1538 1538 11.50      
6 A1 1513 1513 16.42      
7 A1 1462 1462 13.37      
8 A1 1394 1394 2.81      
9 A1 1147 1147 1.89      
10 A1 1050 1050 2.90      
11 A1 811 811 1.26      
12 A1 417 417 0.50      
13 A1 200 200 0.55      
14 A2 3176 3176 0.00      
15 A2 3100 3100 0.00      
16 A2 1533 1533 0.00      
17 A2 1293 1293 0.00      
18 A2 1029 1029 0.00      
19 A2 728 728 0.00      
20 A2 224 224 0.00      
21 A2 27i 27i 0.00      
22 B1 3177 3177 45.79      
23 B1 3110 3110 19.92      
24 B1 1533 1533 18.07      
25 B1 1338 1338 0.91      
26 B1 1173 1173 0.22      
27 B1 837 837 9.20      
28 B1 471 471 0.02      
29 B1 208 208 0.21      
30 B1 67 67 0.23      
31 B2 3169 3169 15.30      
32 B2 3092 3092 39.72      
33 B2 3066 3066 9.99      
34 B2 1538 1538 15.03      
35 B2 1500 1500 1.80      
36 B2 1462 1462 0.00      
37 B2 1438 1438 48.57      
38 B2 1174 1174 54.45      
39 B2 1045 1045 6.28      
40 B2 997 997 16.11      
41 B2 646 646 6.43      
42 B2 320 320 12.73      

Unscaled Zero Point Vibrational Energy (zpe) 31582.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 31582.4 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 MP3=FULL/6-311G*
ABC
0.29969 0.06520 0.05574

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.272
C2 0.000 0.000 0.067
C3 0.000 1.293 -0.735
C4 0.000 -1.293 -0.735
C5 0.000 2.543 0.138
C6 0.000 -2.543 0.138
H7 0.872 1.277 -1.400
H8 -0.872 1.277 -1.400
H9 -0.872 -1.277 -1.400
H10 0.872 -1.277 -1.400
H11 0.000 3.445 -0.479
H12 -0.879 2.565 0.785
H13 0.879 2.565 0.785
H14 0.000 -3.445 -0.479
H15 0.879 -2.565 0.785
H16 -0.879 -2.565 0.785

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.20522.38742.38742.78412.78413.08783.08783.08783.08783.86412.75492.75493.86412.75492.7549
C21.20521.52161.52162.54392.54392.13202.13202.13202.13203.48782.80502.80503.48782.80502.8050
C32.38741.52162.58671.52443.93441.09751.09752.79522.79522.16672.16782.16784.74524.23904.2390
C42.38741.52162.58673.93441.52442.79522.79521.09751.09754.74524.23904.23902.16672.16782.1678
C52.78412.54391.52443.93445.08582.17492.17494.21004.21001.09281.09161.09166.01955.22325.2232
C62.78412.54393.93441.52445.08584.21004.21002.17492.17496.01955.22325.22321.09281.09161.0916
H73.08782.13201.09752.79522.17494.21001.74483.09392.55492.51173.08252.53644.89004.42044.7548
H83.08782.13201.09752.79522.17494.21001.74482.55493.09392.51172.53643.08254.89004.75484.4204
H93.08782.13202.79521.09754.21002.17493.09392.55491.74484.89004.42044.75482.51173.08252.5364
H103.08782.13202.79521.09754.21002.17492.55493.09391.74484.89004.75484.42042.51172.53643.0825
H113.86413.48782.16674.74521.09286.01952.51172.51174.89004.89001.77301.77306.88986.20396.2039
H122.75492.80502.16784.23901.09165.22323.08252.53644.42044.75481.77301.75846.20395.42305.1300
H132.75492.80502.16784.23901.09165.22322.53643.08254.75484.42041.77301.75846.20395.13005.4230
H143.86413.48784.74522.16676.01951.09284.89004.89002.51172.51176.88986.20396.20391.77301.7730
H152.75492.80504.23902.16785.22321.09164.42044.75483.08252.53646.20395.42305.13001.77301.7584
H162.75492.80504.23902.16785.22321.09164.75484.42042.53643.08256.20395.13005.42301.77301.7584

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 121.788 O1 C2 C4 121.788
C2 C3 C5 113.268 C2 C3 H7 107.890
C2 C3 H8 107.890 C2 C4 C6 113.268
C2 C4 H9 107.890 C2 C4 H10 107.890
C3 C2 C4 116.424 C3 C5 H11 110.687
C3 C5 H12 110.847 C3 C5 H13 110.847
C4 C6 H14 110.687 C4 C6 H15 110.847
C4 C6 H16 110.847 C5 C3 H7 111.056
C5 C3 H8 111.056 C6 C4 H9 111.056
C6 C4 H10 111.056 H7 C3 H8 105.297
H9 C4 H10 105.297 H11 C5 H12 108.522
H11 C5 H13 108.522 H12 C5 H13 107.305
H14 C6 H15 108.522 H14 C6 H16 108.522
H15 C6 H16 107.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability