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

using model chemistry: CCSD=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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-270.942261
Energy at 298.15K 
HF Energy-270.031392
Nuclear repulsion energy238.843423
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 CCSD=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 3161 3002 30.91      
2 A1 3086 2931 1.28      
3 A1 3060 2907 25.93      
4 A1 1840 1747 85.98      
5 A1 1550 1472 8.74      
6 A1 1527 1451 11.21      
7 A1 1473 1399 9.84      
8 A1 1406 1335 3.07      
9 A1 1152 1094 1.62      
10 A1 1053 1000 2.64      
11 A1 810 769 1.01      
12 A1 420 399 0.39      
13 A1 201 191 0.53      
14 A2 3171 3012 0.00      
15 A2 3085 2930 0.00      
16 A2 1546 1468 0.00      
17 A2 1301 1235 0.00      
18 A2 1037 985 0.00      
19 A2 743 705 0.00      
20 A2 226 215 0.00      
21 A2 35 33 0.00      
22 B1 3172 3012 42.76      
23 B1 3095 2940 22.17      
24 B1 1546 1469 11.70      
25 B1 1339 1272 1.19      
26 B1 1180 1121 0.11      
27 B1 844 802 9.26      
28 B1 473 449 0.03      
29 B1 210 199 0.27      
30 B1 66 63 0.20      
31 B2 3160 3002 14.32      
32 B2 3086 2931 39.54      
33 B2 3052 2899 8.26      
34 B2 1550 1472 10.63      
35 B2 1516 1440 1.20      
36 B2 1473 1399 0.29      
37 B2 1448 1375 35.89      
38 B2 1181 1122 57.01      
39 B2 1055 1002 5.83      
40 B2 1001 950 13.61      
41 B2 641 609 6.67      
42 B2 323 306 13.29      

Unscaled Zero Point Vibrational Energy (zpe) 31645.5 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 30056.9 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 CCSD=FULL/6-31G*
ABC
0.29670 0.06530 0.05572

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.281
C2 0.000 0.000 0.061
C3 0.000 1.293 -0.737
C4 0.000 -1.293 -0.737
C5 0.000 2.540 0.139
C6 0.000 -2.540 0.139
H7 0.875 1.280 -1.405
H8 -0.875 1.280 -1.405
H9 -0.875 -1.280 -1.405
H10 0.875 -1.280 -1.405
H11 0.000 3.445 -0.479
H12 -0.882 2.560 0.786
H13 0.882 2.560 0.786
H14 0.000 -3.445 -0.479
H15 0.882 -2.560 0.786
H16 -0.882 -2.560 0.786

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22062.39762.39762.78512.78513.10133.10133.10133.10133.86882.75282.75283.86882.75282.7528
C21.22061.51991.51992.54122.54122.13322.13322.13322.13323.48712.80342.80343.48712.80342.8034
C32.39761.51992.58691.52363.93231.10051.10052.79862.79862.16702.16892.16894.74554.23674.2367
C42.39761.51992.58693.93231.52362.79862.79861.10051.10054.74554.23674.23672.16702.16892.1689
C52.78512.54121.52363.93235.07992.17642.17644.21164.21161.09591.09441.09446.01685.21625.2162
C62.78512.54123.93231.52365.07994.21164.21162.17642.17646.01685.21625.21621.09591.09441.0944
H73.10132.13321.10052.79862.17644.21161.74993.10042.55932.51223.08672.53774.89334.42094.7573
H83.10132.13321.10052.79862.17644.21161.74992.55933.10042.51222.53773.08674.89334.75734.4209
H93.10132.13322.79861.10054.21162.17643.10042.55931.74994.89334.42094.75732.51223.08672.5377
H103.10132.13322.79861.10054.21162.17642.55933.10041.74994.89334.75734.42092.51222.53773.0867
H113.86883.48712.16704.74551.09596.01682.51222.51224.89334.89331.77831.77836.89006.20016.2001
H122.75282.80342.16894.23671.09445.21623.08672.53774.42094.75731.77831.76456.20015.41595.1204
H132.75282.80342.16894.23671.09445.21622.53773.08674.75734.42091.77831.76456.20015.12045.4159
H143.86883.48714.74552.16706.01681.09594.89334.89332.51222.51226.89006.20016.20011.77831.7783
H152.75282.80344.23672.16895.21621.09444.42094.75733.08672.53776.20015.41595.12041.77831.7645
H162.75282.80344.23672.16895.21621.09444.75734.42092.53773.08676.20015.12045.41591.77831.7645

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 121.676 O1 C2 C4 121.676
C2 C3 C5 113.220 C2 C3 H7 107.925
C2 C3 H8 107.925 C2 C4 C6 113.220
C2 C4 H9 107.925 C2 C4 H10 107.925
C3 C2 C4 116.648 C3 C5 H11 110.569
C3 C5 H12 110.807 C3 C5 H13 110.807
C4 C6 H14 110.569 C4 C6 H15 110.807
C4 C6 H16 110.807 C5 C3 H7 111.039
C5 C3 H8 111.039 C6 C4 H9 111.039
C6 C4 H10 111.039 H7 C3 H8 105.317
H9 C4 H10 105.317 H11 C5 H12 108.559
H11 C5 H13 108.559 H12 C5 H13 107.440
H14 C6 H15 108.559 H14 C6 H16 108.559
H15 C6 H16 107.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability