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

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-271.120591
Energy at 298.15K 
HF Energy-270.122182
Nuclear repulsion energy238.942167
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/TZVP
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 3007 35.39      
2 A1 3074 2937 0.57      
3 A1 3062 2925 30.28      
4 A1 1797 1717 105.63      
5 A1 1525 1457 5.84      
6 A1 1497 1430 10.75      
7 A1 1452 1387 9.17      
8 A1 1389 1327 4.07      
9 A1 1140 1089 1.67      
10 A1 1036 989 2.10      
11 A1 798 762 0.96      
12 A1 412 394 0.43      
13 A1 198 189 0.54      
14 A2 3156 3015 0.00      
15 A2 3086 2948 0.00      
16 A2 1517 1450 0.00      
17 A2 1282 1224 0.00      
18 A2 1014 968 0.00      
19 A2 733 700 0.00      
20 A2 226 216 0.00      
21 A2 69i 66i 0.00      
22 B1 3157 3016 55.19      
23 B1 3097 2958 20.27      
24 B1 1518 1450 10.90      
25 B1 1321 1262 2.05      
26 B1 1166 1114 0.13      
27 B1 835 798 5.00      
28 B1 458 437 0.30      
29 B1 212 202 0.33      
30 B1 56 53 0.31      
31 B2 3148 3007 15.85      
32 B2 3074 2936 44.47      
33 B2 3053 2916 11.05      
34 B2 1525 1457 9.33      
35 B2 1485 1418 0.85      
36 B2 1452 1387 0.13      
37 B2 1425 1362 26.45      
38 B2 1166 1114 52.75      
39 B2 1035 989 11.32      
40 B2 983 939 15.96      
41 B2 635 606 5.08      
42 B2 315 301 10.73      

Unscaled Zero Point Vibrational Energy (zpe) 31292.4 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 29893.6 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/TZVP
ABC
0.29716 0.06510 0.05559

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.289
C2 0.000 0.000 0.074
C3 0.000 1.290 -0.733
C4 0.000 -1.290 -0.733
C5 0.000 2.547 0.127
C6 0.000 -2.547 0.127
H7 0.874 1.266 -1.393
H8 -0.874 1.266 -1.393
H9 -0.874 -1.266 -1.393
H10 0.874 -1.266 -1.393
H11 0.000 3.439 -0.503
H12 -0.880 2.576 0.771
H13 0.880 2.576 0.771
H14 0.000 -3.439 -0.503
H15 0.880 -2.576 0.771
H16 -0.880 -2.576 0.771

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21492.39862.39862.79982.79983.09233.09233.09233.09233.87792.77132.77133.87792.77132.7713
C21.21491.52181.52182.54792.54792.12622.12622.12622.12623.48712.81022.81023.48712.81022.8102
C32.39861.52182.58001.52353.93261.09571.09572.78082.78082.16132.16602.16604.73464.24094.2409
C42.39861.52182.58003.93261.52352.78082.78081.09571.09574.73464.24094.24092.16132.16602.1660
C52.79982.54791.52353.93265.09482.17222.17224.19744.19741.09191.09071.09076.01955.23845.2384
C62.79982.54793.93261.52355.09484.19744.19742.17222.17226.01955.23845.23841.09191.09071.0907
H73.09232.12621.09572.78082.17224.19741.74823.07682.53192.50583.07882.53024.86764.41004.7460
H83.09232.12621.09572.78082.17224.19741.74822.53193.07682.50582.53023.07884.86764.74604.4100
H93.09232.12622.78081.09574.19742.17223.07682.53191.74824.86764.41004.74602.50583.07882.5302
H103.09232.12622.78081.09574.19742.17222.53193.07681.74824.86764.74604.41002.50582.53023.0788
H113.87793.48712.16134.73461.09196.01952.50582.50584.86764.86761.77251.77256.87806.21146.2114
H122.77132.81022.16604.24091.09075.23843.07882.53024.41004.74601.77251.75996.21145.44495.1527
H132.77132.81022.16604.24091.09075.23842.53023.07884.74604.41001.77251.75996.21145.15275.4449
H143.87793.48714.73462.16136.01951.09194.86764.86762.50582.50586.87806.21146.21141.77251.7725
H152.77132.81024.24092.16605.23841.09074.41004.74603.07882.53026.21145.44495.15271.77251.7599
H162.77132.81024.24092.16605.23841.09074.74604.41002.53023.07886.21145.15275.44491.77251.7599

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 122.040 O1 C2 C4 122.040
C2 C3 C5 113.580 C2 C3 H7 107.523
C2 C3 H8 107.523 C2 C4 C6 113.580
C2 C4 H9 107.523 C2 C4 H10 107.523
C3 C2 C4 115.921 C3 C5 H11 110.364
C3 C5 H12 110.809 C3 C5 H13 110.809
C4 C6 H14 110.364 C4 C6 H15 110.809
C4 C6 H16 110.809 C5 C3 H7 111.001
C5 C3 H8 111.001 C6 C4 H9 111.001
C6 C4 H10 111.001 H7 C3 H8 105.830
H9 C4 H10 105.830 H11 C5 H12 108.605
H11 C5 H13 108.605 H12 C5 H13 107.559
H14 C6 H15 108.605 H14 C6 H16 108.605
H15 C6 H16 107.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability