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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-271.040450
Energy at 298.15K 
HF Energy-270.100999
Nuclear repulsion energy239.044954
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 MP2/6-311G**
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 3180 3021 24.97      
2 A1 3090 2936 2.46      
3 A1 3073 2920 24.96      
4 A1 1773 1685 71.76      
5 A1 1520 1444 5.58      
6 A1 1481 1408 13.53      
7 A1 1433 1362 11.78      
8 A1 1361 1293 4.92      
9 A1 1136 1079 0.93      
10 A1 1036 985 2.19      
11 A1 798 759 1.94      
12 A1 412 392 0.42      
13 A1 198 189 0.44      
14 A2 3185 3026 0.00      
15 A2 3108 2953 0.00      
16 A2 1516 1441 0.00      
17 A2 1277 1213 0.00      
18 A2 1007 956 0.00      
19 A2 723 687 0.00      
20 A2 231 219 0.00      
21 A2 47i 45i 0.00      
22 B1 3185 3026 39.87      
23 B1 3118 2962 16.72      
24 B1 1516 1441 14.32      
25 B1 1315 1250 1.33      
26 B1 1151 1094 0.35      
27 B1 828 787 6.86      
28 B1 463 440 0.02      
29 B1 212 202 0.22      
30 B1 63 60 0.17      
31 B2 3179 3021 14.85      
32 B2 3089 2936 38.57      
33 B2 3065 2912 8.72      
34 B2 1520 1445 11.24      
35 B2 1469 1396 1.71      
36 B2 1433 1362 0.00      
37 B2 1406 1336 41.14      
38 B2 1160 1102 54.10      
39 B2 1028 976 13.30      
40 B2 991 942 15.29      
41 B2 632 600 4.30      
42 B2 316 300 11.73      

Unscaled Zero Point Vibrational Energy (zpe) 31315.5 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 29756.0 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 MP2/6-311G**
ABC
0.29656 0.06544 0.05581

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

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 0.063
C3 0.000 1.293 -0.740
C4 0.000 -1.293 -0.740
C5 0.000 2.538 0.139
C6 0.000 -2.538 0.139
H7 0.875 1.273 -1.402
H8 -0.875 1.273 -1.402
H9 -0.875 -1.273 -1.402
H10 0.875 -1.273 -1.402
H11 0.000 3.444 -0.474
H12 -0.880 2.551 0.785
H13 0.880 2.551 0.785
H14 0.000 -3.444 -0.474
H15 0.880 -2.551 0.785
H16 -0.880 -2.551 0.785

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21852.39922.39922.78362.78363.09693.09693.09693.09693.86522.74412.74413.86522.74412.7441
C21.21851.52171.52172.53932.53932.12942.12942.12942.12943.48522.79362.79363.48522.79362.7936
C32.39921.52172.58561.52383.93031.09781.09782.79112.79112.16722.16392.16394.74394.22794.2279
C42.39921.52172.58563.93031.52382.79112.79111.09781.09784.74394.22794.22792.16722.16392.1639
C52.78362.53931.52383.93035.07632.17702.17704.20334.20331.09311.09211.09216.01305.20525.2052
C62.78362.53933.93031.52385.07634.20334.20332.17702.17706.01305.20525.20521.09311.09211.0921
H73.09692.12941.09782.79112.17704.20331.74993.09012.54682.51743.08182.53324.88654.40594.7426
H83.09692.12941.09782.79112.17704.20331.74992.54683.09012.51742.53323.08184.88654.74264.4059
H93.09692.12942.79111.09784.20332.17703.09012.54681.74994.88654.40594.74262.51743.08182.5332
H103.09692.12942.79111.09784.20332.17702.54683.09011.74994.88654.74264.40592.51742.53323.0818
H113.86523.48522.16724.74391.09316.01302.51742.51744.88654.88651.77641.77646.88736.18856.1885
H122.74412.79362.16394.22791.09215.20523.08182.53324.40594.74261.77641.76046.18855.39755.1024
H132.74412.79362.16394.22791.09215.20522.53323.08184.74264.40591.77641.76046.18855.10245.3975
H143.86523.48524.74392.16726.01301.09314.88654.88652.51742.51746.88736.18856.18851.77641.7764
H152.74412.79364.22792.16395.20521.09214.40594.74263.08182.53326.18855.39755.10241.77641.7604
H162.74412.79364.22792.16395.20521.09214.74264.40592.53323.08186.18855.10245.39751.77641.7604

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 121.832 O1 C2 C4 121.832
C2 C3 C5 112.981 C2 C3 H7 107.663
C2 C3 H8 107.663 C2 C4 C6 112.981
C2 C4 H9 107.663 C2 C4 H10 107.663
C3 C2 C4 116.336 C3 C5 H11 110.742
C3 C5 H12 110.539 C3 C5 H13 110.539
C4 C6 H14 110.742 C4 C6 H15 110.539
C4 C6 H16 110.539 C5 C3 H7 111.244
C5 C3 H8 111.244 C6 C4 H9 111.244
C6 C4 H10 111.244 H7 C3 H8 105.687
H9 C4 H10 105.687 H11 C5 H12 108.764
H11 C5 H13 108.764 H12 C5 H13 107.403
H14 C6 H15 108.764 H14 C6 H16 108.764
H15 C6 H16 107.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability