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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-271.052969
Energy at 298.15K 
HF Energy-270.051973
Nuclear repulsion energy237.598815
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 QCISD(T)=FULL/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 3148 3019        
2 A1 3062 2937        
3 A1 3041 2917        
4 A1 1785 1712        
5 A1 1490 1429        
6 A1 1456 1396        
7 A1 1412 1355        
8 A1 1353 1297        
9 A1 1121 1075        
10 A1 1027 985        
11 A1 787 755        
12 A1 408 392        
13 A1 193 185        
14 A2 3154 3025        
15 A2 3074 2948        
16 A2 1486 1425        
17 A2 1258 1207        
18 A2 995 954        
19 A2 711 682        
20 A2 230 220        
21 A2 37 36        
22 B1 3155 3026        
23 B1 3083 2957        
24 B1 1485 1425        
25 B1 1297 1244        
26 B1 1134 1088        
27 B1 814 780        
28 B1 466 447        
29 B1 206 198        
30 B1 68 65        
31 B2 3148 3019        
32 B2 3062 2936        
33 B2 3033 2909        
34 B2 1491 1430        
35 B2 1444 1385        
36 B2 1415 1357        
37 B2 1397 1340        
38 B2 1149 1102        
39 B2 1019 978        
40 B2 982 942        
41 B2 622 596        
42 B2 311 298        

Unscaled Zero Point Vibrational Energy (zpe) 31004.4 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 29733.2 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 QCISD(T)=FULL/cc-pVDZ
ABC
0.29320 0.06471 0.05521

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.287
C2 0.000 0.000 0.063
C3 0.000 1.300 -0.743
C4 0.000 -1.300 -0.743
C5 0.000 2.551 0.140
C6 0.000 -2.551 0.140
H7 0.882 1.282 -1.415
H8 -0.882 1.282 -1.415
H9 -0.882 -1.282 -1.415
H10 0.882 -1.282 -1.415
H11 0.000 3.466 -0.478
H12 -0.889 2.566 0.794
H13 0.889 2.566 0.794
H14 0.000 -3.466 -0.478
H15 0.889 -2.566 0.794
H16 -0.889 -2.566 0.794

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22342.41032.41032.79712.79713.11773.11773.11773.11773.88992.76042.76043.88992.76042.7604
C21.22341.52991.52992.55222.55222.14632.14632.14632.14633.50842.81242.81243.50842.81242.8124
C32.41031.52992.60071.53073.95121.10921.10922.81052.81052.18212.18022.18024.77404.25464.2546
C42.41031.52992.60073.95121.53072.81052.81051.10921.10924.77404.25464.25462.18212.18022.1802
C52.79712.55221.53073.95125.10212.19192.19194.22944.22941.10441.10381.10386.04915.23505.2350
C62.79712.55223.95121.53075.10214.22944.22942.19192.19196.04915.23505.23501.10441.10381.1038
H73.11772.14631.10922.81052.19194.22941.76453.11272.56432.53493.10862.55444.91974.43694.7775
H83.11772.14631.10922.81052.19194.22941.76452.56433.11272.53492.55443.10864.91974.77754.4369
H93.11772.14632.81051.10924.22942.19193.11272.56431.76454.91974.43694.77752.53493.10862.5544
H103.11772.14632.81051.10924.22942.19192.56433.11271.76454.91974.77754.43692.53492.55443.1086
H113.88993.50842.18214.77401.10446.04912.53492.53494.91974.91971.79401.79406.93276.22906.2290
H122.76042.81242.18024.25461.10385.23503.10862.55444.43694.77751.79401.77856.22905.43205.1326
H132.76042.81242.18024.25461.10385.23502.55443.10864.77754.43691.79401.77856.22905.13265.4320
H143.88993.50844.77402.18216.04911.10444.91974.91972.53492.53496.93276.22906.22901.79401.7940
H152.76042.81244.25462.18025.23501.10384.43694.77753.10862.55446.22905.43205.13261.79401.7785
H162.76042.81244.25462.18025.23501.10384.77754.43692.55443.10866.22905.13265.43201.79401.7785

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 121.792 O1 C2 C4 121.792
C2 C3 C5 113.004 C2 C3 H7 107.771
C2 C3 H8 107.771 C2 C4 C6 113.004
C2 C4 H9 107.771 C2 C4 H10 107.771
C3 C2 C4 116.416 C3 C5 H11 110.767
C3 C5 H12 110.653 C3 C5 H13 110.653
C4 C6 H14 110.767 C4 C6 H15 110.653
C4 C6 H16 110.653 C5 C3 H7 111.264
C5 C3 H8 111.264 C6 C4 H9 111.264
C6 C4 H10 111.264 H7 C3 H8 105.392
H9 C4 H10 105.392 H11 C5 H12 108.664
H11 C5 H13 108.664 H12 C5 H13 107.338
H14 C6 H15 108.664 H14 C6 H16 108.664
H15 C6 H16 107.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability