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

using model chemistry: CCSD/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 CCSD/6-311G*
 hartrees
Energy at 0K-271.024721
Energy at 298.15K 
HF Energy-270.086608
Nuclear repulsion energy238.610831
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/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 3131 2985 35.17      
2 A1 3057 2915 0.93      
3 A1 3041 2899 31.15      
4 A1 1828 1743 98.09      
5 A1 1530 1459 10.42      
6 A1 1506 1436 14.67      
7 A1 1455 1387 12.13      
8 A1 1388 1323 3.03      
9 A1 1140 1087 1.78      
10 A1 1042 993 2.81      
11 A1 802 764 1.10      
12 A1 414 394 0.49      
13 A1 199 190 0.50      
14 A2 3139 2993 0.00      
15 A2 3064 2921 0.00      
16 A2 1525 1454 0.00      
17 A2 1287 1227 0.00      
18 A2 1024 977 0.00      
19 A2 726 692 0.00      
20 A2 223 213 0.00      
21 A2 30i 28i 0.00      
22 B1 3140 2994 52.38      
23 B1 3074 2931 22.53      
24 B1 1525 1454 16.31      
25 B1 1331 1269 1.02      
26 B1 1166 1112 0.19      
27 B1 832 793 8.24      
28 B1 467 445 0.00      
29 B1 208 198 0.21      
30 B1 65 62 0.22      
31 B2 3130 2985 16.07      
32 B2 3057 2915 43.29      
33 B2 3032 2891 10.29      
34 B2 1531 1459 13.55      
35 B2 1494 1424 1.56      
36 B2 1455 1387 0.05      
37 B2 1429 1362 42.28      
38 B2 1167 1112 53.83      
39 B2 1039 990 6.67      
40 B2 989 943 15.54      
41 B2 637 607 5.89      
42 B2 318 303 12.40      

Unscaled Zero Point Vibrational Energy (zpe) 31285.7 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 29830.9 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/6-311G*
ABC
0.29736 0.06492 0.05547

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.280
C2 0.000 0.000 0.068
C3 0.000 1.296 -0.736
C4 0.000 -1.296 -0.736
C5 0.000 2.548 0.137
C6 0.000 -2.548 0.137
H7 0.875 1.280 -1.403
H8 -0.875 1.280 -1.403
H9 -0.875 -1.280 -1.403
H10 0.875 -1.280 -1.403
H11 0.000 3.451 -0.484
H12 -0.882 2.572 0.784
H13 0.882 2.572 0.784
H14 0.000 -3.451 -0.484
H15 0.882 -2.572 0.784
H16 -0.882 -2.572 0.784

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21222.39682.39682.79302.79303.09883.09883.09883.09883.87592.76382.76383.87592.76382.7638
C21.21221.52511.52512.54922.54922.13702.13702.13702.13703.49532.81192.81193.49532.81192.8119
C32.39681.52512.59181.52663.94201.10021.10022.80062.80062.17042.17232.17234.75414.24874.2487
C42.39681.52512.59183.94201.52662.80062.80061.10021.10024.75414.24874.24872.17042.17232.1723
C52.79302.54921.52663.94205.09652.17862.17864.21774.21771.09571.09431.09436.03175.23605.2360
C62.79302.54923.94201.52665.09654.21774.21772.17862.17866.03175.23605.23601.09571.09431.0943
H73.09882.13701.10022.80062.17864.21771.74953.10002.55922.51563.08902.54114.89844.42974.7652
H83.09882.13701.10022.80062.17864.21771.74952.55923.10002.51562.54113.08904.89844.76524.4297
H93.09882.13702.80061.10024.21772.17863.10002.55921.74954.89844.42974.76522.51563.08902.5411
H103.09882.13702.80061.10024.21772.17862.55923.10001.74954.89844.76524.42972.51562.54113.0890
H113.87593.49532.17044.75411.09576.03172.51562.51564.89844.89841.77721.77726.90306.21856.2185
H122.76382.81192.17234.24871.09435.23603.08902.54114.42974.76521.77721.76336.21855.43815.1443
H132.76382.81192.17234.24871.09435.23602.54113.08904.76524.42971.77721.76336.21855.14435.4381
H143.87593.49534.75412.17046.03171.09574.89844.89842.51562.51566.90306.21856.21851.77721.7772
H152.76382.81194.24872.17235.23601.09434.42974.76523.08902.54116.21855.43815.14431.77721.7633
H162.76382.81194.24872.17235.23601.09434.76524.42972.54113.08906.21855.14435.43811.77721.7633

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 121.818 O1 C2 C4 121.818
C2 C3 C5 113.303 C2 C3 H7 107.882
C2 C3 H8 107.882 C2 C4 C6 113.303
C2 C4 H9 107.882 C2 C4 H10 107.882
C3 C2 C4 116.364 C3 C5 H11 110.644
C3 C5 H12 110.881 C3 C5 H13 110.881
C4 C6 H14 110.644 C4 C6 H15 110.881
C4 C6 H16 110.881 C5 C3 H7 111.029
C5 C3 H8 111.029 C6 C4 H9 111.029
C6 C4 H10 111.029 H7 C3 H8 105.331
H9 C4 H10 105.331 H11 C5 H12 108.486
H11 C5 H13 108.486 H12 C5 H13 107.353
H14 C6 H15 108.486 H14 C6 H16 108.486
H15 C6 H16 107.353
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability