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

using model chemistry: MP3=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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-270.926527
Energy at 298.15K 
HF Energy-270.032165
Nuclear repulsion energy239.285281
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/6-31G*
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 3197 3000 26.85      
2 A1 3119 2926 1.65      
3 A1 3091 2900 22.82      
4 A1 1885 1768 91.84      
5 A1 1559 1463 9.36      
6 A1 1536 1441 12.35      
7 A1 1480 1389 10.59      
8 A1 1412 1325 2.91      
9 A1 1159 1087 1.71      
10 A1 1060 994 2.74      
11 A1 817 767 1.07      
12 A1 422 396 0.40      
13 A1 202 190 0.58      
14 A2 3206 3008 0.00      
15 A2 3118 2925 0.00      
16 A2 1555 1459 0.00      
17 A2 1307 1226 0.00      
18 A2 1042 978 0.00      
19 A2 746 700 0.00      
20 A2 227 213 0.00      
21 A2 36 34 0.00      
22 B1 3206 3009 37.44      
23 B1 3127 2934 19.86      
24 B1 1555 1459 12.76      
25 B1 1346 1263 1.18      
26 B1 1188 1114 0.12      
27 B1 849 797 9.98      
28 B1 476 447 0.01      
29 B1 210 197 0.26      
30 B1 67 63 0.21      
31 B2 3197 2999 13.60      
32 B2 3118 2926 36.06      
33 B2 3083 2893 8.26      
34 B2 1560 1464 11.31      
35 B2 1524 1430 1.30      
36 B2 1481 1390 0.57      
37 B2 1456 1367 39.81      
38 B2 1187 1114 58.32      
39 B2 1060 995 5.77      
40 B2 1007 945 13.88      
41 B2 649 609 7.21      
42 B2 325 305 13.58      

Unscaled Zero Point Vibrational Energy (zpe) 31922.8 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 29953.2 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/6-31G*
ABC
0.29848 0.06546 0.05589

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.275
C2 0.000 0.000 0.060
C3 0.000 1.292 -0.736
C4 0.000 -1.292 -0.736
C5 0.000 2.537 0.141
C6 0.000 -2.537 0.141
H7 0.873 1.279 -1.402
H8 -0.873 1.279 -1.402
H9 -0.873 -1.279 -1.402
H10 0.873 -1.279 -1.402
H11 0.000 3.441 -0.475
H12 -0.880 2.555 0.787
H13 0.880 2.555 0.787
H14 0.000 -3.441 -0.475
H15 0.880 -2.555 0.787
H16 -0.880 -2.555 0.787

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21522.39082.39082.77902.77903.09293.09293.09293.09293.86012.74622.74623.86012.74622.7462
C21.21521.51801.51802.53832.53832.12972.12972.12972.12973.48202.79852.79853.48202.79852.7985
C32.39081.51802.58491.52263.92861.09831.09832.79582.79582.16412.16542.16544.74034.23064.2306
C42.39081.51802.58493.92861.52262.79582.79581.09831.09834.74034.23064.23062.16412.16542.1654
C52.77902.53831.52263.92865.07402.17432.17434.20754.20751.09351.09221.09226.00935.20785.2078
C62.77902.53833.92861.52265.07404.20754.20752.17432.17436.00935.20785.20781.09351.09221.0922
H73.09292.12971.09832.79582.17434.20751.74643.09672.55732.50943.08172.53414.88824.41474.7502
H83.09292.12971.09832.79582.17434.20751.74642.55733.09672.50942.53413.08174.88824.75024.4147
H93.09292.12972.79581.09834.20752.17433.09672.55731.74644.88824.41474.75022.50943.08172.5341
H103.09292.12972.79581.09834.20752.17432.55733.09671.74644.88824.75024.41472.50942.53413.0817
H113.86013.48202.16414.74031.09356.00932.50942.50944.88824.88821.77521.77526.88136.18996.1899
H122.74622.79852.16544.23061.09225.20783.08172.53414.41474.75021.77521.76106.18995.40505.1101
H132.74622.79852.16544.23061.09225.20782.53413.08174.75024.41471.77521.76106.18995.11015.4050
H143.86013.48204.74032.16416.00931.09354.88824.88822.50942.50946.88136.18996.18991.77521.7752
H152.74622.79854.23062.16545.20781.09224.41474.75023.08172.53416.18995.40505.11011.77521.7610
H162.74622.79854.23062.16545.20781.09224.75024.41472.53413.08176.18995.11015.40501.77521.7610

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 121.633 O1 C2 C4 121.633
C2 C3 C5 113.192 C2 C3 H7 107.900
C2 C3 H8 107.900 C2 C4 C6 113.192
C2 C4 H9 107.900 C2 C4 H10 107.900
C3 C2 C4 116.735 C3 C5 H11 110.557
C3 C5 H12 110.745 C3 C5 H13 110.745
C4 C6 H14 110.557 C4 C6 H15 110.745
C4 C6 H16 110.745 C5 C3 H7 111.079
C5 C3 H8 111.079 C6 C4 H9 111.079
C6 C4 H10 111.079 H7 C3 H8 105.314
H9 C4 H10 105.314 H11 C5 H12 108.624
H11 C5 H13 108.624 H12 C5 H13 107.450
H14 C6 H15 108.624 H14 C6 H16 108.624
H15 C6 H16 107.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability