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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-270.495794
Energy at 298.15K 
HF Energy-269.908523
Nuclear repulsion energy236.079008
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 MP2/6-31G
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 3157 3021 33.58      
2 A1 3074 2942 1.73      
3 A1 3045 2913 27.70      
4 A1 1646 1575 21.30      
5 A1 1572 1504 9.22      
6 A1 1545 1478 18.96      
7 A1 1489 1425 6.76      
8 A1 1403 1342 7.73      
9 A1 1144 1095 2.40      
10 A1 1050 1005 2.55      
11 A1 793 759 1.40      
12 A1 420 402 0.28      
13 A1 203 194 0.53      
14 A2 3168 3032 0.00      
15 A2 3075 2942 0.00      
16 A2 1569 1501 0.00      
17 A2 1315 1258 0.00      
18 A2 1059 1013 0.00      
19 A2 771 738 0.00      
20 A2 213 204 0.00      
21 A2 44 42 0.00      
22 B1 3169 3032 49.61      
23 B1 3085 2951 24.35      
24 B1 1569 1501 11.64      
25 B1 1343 1285 1.76      
26 B1 1198 1146 0.42      
27 B1 857 820 9.83      
28 B1 476 456 0.03      
29 B1 198 189 0.22      
30 B1 63 60 0.16      
31 B2 3157 3021 15.70      
32 B2 3074 2941 43.90      
33 B2 3037 2906 7.91      
34 B2 1571 1503 7.95      
35 B2 1541 1474 0.60      
36 B2 1490 1425 6.43      
37 B2 1420 1359 23.54      
38 B2 1184 1132 66.08      
39 B2 1074 1028 0.66      
40 B2 982 939 16.51      
41 B2 638 611 4.04      
42 B2 322 308 12.85      

Unscaled Zero Point Vibrational Energy (zpe) 31599.6 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 30234.5 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 MP2/6-31G
ABC
0.28715 0.06405 0.05450

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

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 1.306 -0.749
C4 0.000 -1.306 -0.749
C5 0.000 2.566 0.139
C6 0.000 -2.566 0.139
H7 0.880 1.299 -1.415
H8 -0.880 1.299 -1.415
H9 -0.880 -1.299 -1.415
H10 0.880 -1.299 -1.415
H11 0.000 3.471 -0.483
H12 -0.885 2.584 0.786
H13 0.885 2.584 0.786
H14 0.000 -3.471 -0.483
H15 0.885 -2.584 0.786
H16 -0.885 -2.584 0.786

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.26482.44052.44052.82172.82173.14693.14693.14693.14693.90832.78222.78223.90832.78222.7822
C21.26481.52971.52972.56732.56732.14522.14522.14522.14523.51132.82982.82983.51132.82982.8298
C32.44051.52972.61111.54143.97171.10381.10382.82842.82842.18142.18542.18544.78374.27464.2746
C42.44051.52972.61113.97171.54142.82842.82841.10381.10384.78374.27464.27462.18142.18542.1854
C52.82172.56731.54143.97175.13152.18952.18954.25694.25691.09841.09701.09706.06855.26575.2657
C62.82172.56733.97171.54145.13154.25694.25692.18952.18956.06855.26575.26571.09841.09701.0970
H73.14692.14521.10382.82842.18954.25691.76033.13752.59722.52203.10082.54924.93854.46354.8000
H83.14692.14521.10382.82842.18954.25691.76032.59723.13752.52202.54923.10084.93854.80004.4635
H93.14692.14522.82841.10384.25692.18953.13752.59721.76034.93854.46354.80002.52203.10082.5492
H103.14692.14522.82841.10384.25692.18952.59723.13751.76034.93854.80004.46352.52202.54923.1008
H113.90833.51132.18144.78371.09846.06852.52202.52204.93854.93851.78391.78396.94166.25006.2500
H122.78222.82982.18544.27461.09705.26573.10082.54924.46354.80001.78391.77056.25005.46375.1688
H132.78222.82982.18544.27461.09705.26572.54923.10084.80004.46351.78391.77056.25005.16885.4637
H143.90833.51134.78372.18146.06851.09844.93854.93852.52202.52206.94166.25006.25001.78391.7839
H152.78222.82984.27462.18545.26571.09704.46354.80003.10082.54926.25005.46375.16881.78391.7705
H162.78222.82984.27462.18545.26571.09704.80004.46352.54923.10086.25005.16885.46371.78391.7705

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 121.407 O1 C2 C4 121.407
C2 C3 C5 113.436 C2 C3 H7 108.002
C2 C3 H8 108.002 C2 C4 C6 113.436
C2 C4 H9 108.002 C2 C4 H10 108.002
C3 C2 C4 117.186 C3 C5 H11 110.328
C3 C5 H12 110.723 C3 C5 H13 110.723
C4 C6 H14 110.328 C4 C6 H15 110.723
C4 C6 H16 110.723 C5 C3 H7 110.647
C5 C3 H8 110.647 C6 C4 H9 110.647
C6 C4 H10 110.647 H7 C3 H8 105.768
H9 C4 H10 105.768 H11 C5 H12 108.691
H11 C5 H13 108.691 H12 C5 H13 107.604
H14 C6 H15 108.691 H14 C6 H16 108.691
H15 C6 H16 107.604
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability