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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-270.941221
Energy at 298.15K 
HF Energy-270.052517
Nuclear repulsion energy238.254236
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/cc-pVDZ
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 3197 3045 21.55      
2 A1 3098 2951 2.03      
3 A1 3080 2933 26.36      
4 A1 1779 1695 70.45      
5 A1 1497 1426 5.32      
6 A1 1457 1388 11.66      
7 A1 1413 1346 10.49      
8 A1 1352 1288 4.16      
9 A1 1131 1078 0.55      
10 A1 1037 987 2.15      
11 A1 797 759 2.18      
12 A1 414 394 0.37      
13 A1 197 188 0.41      
14 A2 3202 3050 0.00      
15 A2 3120 2972 0.00      
16 A2 1492 1422 0.00      
17 A2 1264 1204 0.00      
18 A2 998 951 0.00      
19 A2 714 680 0.00      
20 A2 233 222 0.00      
21 A2 16 15 0.00      
22 B1 3202 3050 32.62      
23 B1 3129 2981 17.33      
24 B1 1493 1422 12.85      
25 B1 1305 1243 0.90      
26 B1 1138 1084 0.31      
27 B1 820 781 8.03      
28 B1 469 447 0.06      
29 B1 211 201 0.21      
30 B1 68 65 0.13      
31 B2 3197 3045 13.74      
32 B2 3098 2951 37.36      
33 B2 3072 2926 10.49      
34 B2 1498 1427 12.67      
35 B2 1444 1375 1.43      
36 B2 1416 1349 8.00      
37 B2 1399 1333 29.01      
38 B2 1155 1100 52.46      
39 B2 1027 978 18.96      
40 B2 992 945 9.72      
41 B2 628 598 4.79      
42 B2 314 299 12.08      

Unscaled Zero Point Vibrational Energy (zpe) 31280.2 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 29794.4 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 MP2/cc-pVDZ
ABC
0.29403 0.06520 0.05558

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.285
C2 0.000 0.000 0.061
C3 0.000 1.296 -0.742
C4 0.000 -1.296 -0.742
C5 0.000 2.541 0.140
C6 0.000 -2.541 0.140
H7 0.880 1.278 -1.413
H8 -0.880 1.278 -1.413
H9 -0.880 -1.278 -1.413
H10 0.880 -1.278 -1.413
H11 0.000 3.457 -0.472
H12 -0.887 2.554 0.793
H13 0.887 2.554 0.793
H14 0.000 -3.457 -0.472
H15 0.887 -2.554 0.793
H16 -0.887 -2.554 0.793

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22432.40612.40612.78732.78733.11213.11213.11213.11213.87802.74782.74783.87802.74782.7478
C21.22431.52461.52462.54242.54242.13962.13962.13962.13963.49782.80072.80073.49782.80072.8007
C32.40611.52462.59211.52583.93721.10651.10652.80142.80142.17762.17342.17344.76064.23834.2383
C42.40611.52462.59213.93721.52582.80142.80141.10651.10654.76064.23834.23832.17762.17342.1734
C52.78732.54241.52583.93725.08232.18672.18674.21524.21521.10151.10111.10116.02925.21265.2126
C62.78732.54243.93721.52585.08234.21524.21522.18672.18676.02925.21265.21261.10151.10111.1011
H73.11212.13961.10652.80142.18674.21521.75983.10262.55522.53143.10062.54824.90664.42104.7608
H83.11212.13961.10652.80142.18674.21521.75982.55523.10262.53142.54823.10064.90664.76084.4210
H93.11212.13962.80141.10654.21522.18673.10262.55521.75984.90664.42104.76082.53143.10062.5482
H103.11212.13962.80141.10654.21522.18672.55523.10261.75984.90664.76084.42102.53142.54823.1006
H113.87803.49782.17764.76061.10156.02922.53142.53144.90664.90661.78931.78936.91386.20616.2061
H122.74782.80072.17344.23831.10115.21263.10062.54824.42104.76081.78931.77306.20615.40685.1078
H132.74782.80072.17344.23831.10115.21262.54823.10064.76084.42101.78931.77306.20615.10785.4068
H143.87803.49784.76062.17766.02921.10154.90664.90662.53142.53146.91386.20616.20611.78931.7893
H152.74782.80074.23832.17345.21261.10114.42104.76083.10062.54826.20615.40685.10781.78931.7730
H162.74782.80074.23832.17345.21261.10114.76084.42102.54823.10066.20615.10785.40681.78931.7730

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 121.778 O1 C2 C4 121.778
C2 C3 C5 112.911 C2 C3 H7 107.762
C2 C3 H8 107.762 C2 C4 C6 112.911
C2 C4 H9 107.762 C2 C4 H10 107.762
C3 C2 C4 116.444 C3 C5 H11 110.926
C3 C5 H12 110.621 C3 C5 H13 110.621
C4 C6 H14 110.926 C4 C6 H15 110.621
C4 C6 H16 110.621 C5 C3 H7 111.342
C5 C3 H8 111.342 C6 C4 H9 111.342
C6 C4 H10 111.342 H7 C3 H8 105.346
H9 C4 H10 105.346 H11 C5 H12 108.659
H11 C5 H13 108.659 H12 C5 H13 107.249
H14 C6 H15 108.659 H14 C6 H16 108.659
H15 C6 H16 107.249
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability