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

using model chemistry: B3PW91/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 B3PW91/TZVP
 hartrees
Energy at 0K-271.778313
Energy at 298.15K 
HF Energy-271.778313
Nuclear repulsion energy239.337147
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 B3PW91/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 3128 3017 28.25      
2 A1 3055 2946 1.84      
3 A1 3033 2925 23.60      
4 A1 1801 1736 131.78      
5 A1 1496 1443 8.45      
6 A1 1459 1407 20.58      
7 A1 1414 1363 13.31      
8 A1 1351 1303 7.24      
9 A1 1119 1079 2.14      
10 A1 1027 990 2.53      
11 A1 788 759 2.60      
12 A1 409 395 0.46      
13 A1 193 186 0.76      
14 A2 3134 3022 0.00      
15 A2 3052 2943 0.00      
16 A2 1488 1434 0.00      
17 A2 1259 1214 0.00      
18 A2 999 964 0.00      
19 A2 708 683 0.00      
20 A2 201 194 0.00      
21 A2 19i 18i 0.00      
22 B1 3135 3023 41.38      
23 B1 3063 2954 15.62      
24 B1 1488 1435 16.82      
25 B1 1305 1259 0.93      
26 B1 1138 1097 0.17      
27 B1 824 795 11.21      
28 B1 466 450 0.03      
29 B1 182 176 0.30      
30 B1 66 64 0.27      
31 B2 3128 3016 11.91      
32 B2 3055 2946 44.56      
33 B2 3023 2916 14.73      
34 B2 1496 1443 12.60      
35 B2 1445 1393 2.11      
36 B2 1413 1363 1.78      
37 B2 1386 1337 40.16      
38 B2 1141 1101 57.14      
39 B2 1010 974 10.99      
40 B2 974 940 23.41      
41 B2 627 605 2.38      
42 B2 306 295 12.27      

Unscaled Zero Point Vibrational Energy (zpe) 30882.7 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 29780.2 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 B3PW91/TZVP
ABC
0.29928 0.06520 0.05572

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.286
C2 0.000 0.000 0.076
C3 0.000 1.288 -0.727
C4 0.000 -1.288 -0.727
C5 0.000 2.545 0.124
C6 0.000 -2.545 0.124
H7 0.870 1.263 -1.395
H8 -0.870 1.263 -1.395
H9 -0.870 -1.263 -1.395
H10 0.870 -1.263 -1.395
H11 0.000 3.437 -0.506
H12 -0.878 2.580 0.771
H13 0.878 2.580 0.771
H14 0.000 -3.437 -0.506
H15 0.878 -2.580 0.771
H16 -0.878 -2.580 0.771

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.20972.38932.38932.79782.79783.08813.08813.08813.08813.87592.77362.77363.87592.77362.7736
C21.20971.51771.51772.54592.54592.12472.12472.12472.12473.48592.81272.81273.48592.81272.8127
C32.38931.51772.57611.51843.92681.09701.09702.77682.77682.16022.16432.16434.73014.24004.2400
C42.38931.51772.57613.92681.51842.77682.77681.09701.09704.73014.24004.24002.16022.16432.1643
C52.79782.54591.51843.92685.09082.17012.17014.19144.19141.09201.09111.09116.01555.24025.2402
C62.79782.54593.92681.51845.09084.19144.19142.17012.17016.01555.24025.24021.09201.09111.0911
H73.08812.12471.09702.77682.17014.19141.73963.06702.52592.50453.07912.53494.86164.41144.7450
H83.08812.12471.09702.77682.17014.19141.73962.52593.06702.50452.53493.07914.86164.74504.4114
H93.08812.12472.77681.09704.19142.17013.06702.52591.73964.86164.41144.74502.50453.07912.5349
H103.08812.12472.77681.09704.19142.17012.52593.06701.73964.86164.74504.41142.50452.53493.0791
H113.87593.48592.16024.73011.09206.01552.50452.50454.86164.86161.77101.77106.87396.21356.2135
H122.77362.81272.16434.24001.09115.24023.07912.53494.41144.74501.77101.75626.21355.45095.1602
H132.77362.81272.16434.24001.09115.24022.53493.07914.74504.41141.77101.75626.21355.16025.4509
H143.87593.48594.73012.16026.01551.09204.86164.86162.50452.50456.87396.21356.21351.77101.7710
H152.77362.81274.24002.16435.24021.09114.41144.74503.07912.53496.21355.45095.16021.77101.7562
H162.77362.81274.24002.16435.24021.09114.74504.41142.53493.07916.21355.16025.45091.77101.7562

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 121.929 O1 C2 C4 121.929
C2 C3 C5 113.973 C2 C3 H7 107.616
C2 C3 H8 107.616 C2 C4 C6 113.973
C2 C4 H9 107.616 C2 C4 H10 107.616
C3 C2 C4 116.141 C3 C5 H11 110.632
C3 C5 H12 111.013 C3 C5 H13 111.013
C4 C6 H14 110.632 C4 C6 H15 111.013
C4 C6 H16 111.013 C5 C3 H7 111.119
C5 C3 H8 111.119 C6 C4 H9 111.119
C6 C4 H10 111.119 H7 C3 H8 104.914
H9 C4 H10 104.914 H11 C5 H12 108.437
H11 C5 H13 108.437 H12 C5 H13 107.187
H14 C6 H15 108.437 H14 C6 H16 108.437
H15 C6 H16 107.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.279      
2 C 0.131      
3 C -0.226      
4 C -0.226      
5 C -0.346      
6 C -0.346      
7 H 0.134      
8 H 0.134      
9 H 0.134      
10 H 0.134      
11 H 0.122      
12 H 0.128      
13 H 0.128      
14 H 0.122      
15 H 0.128      
16 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.799 2.799
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.981 0.000 0.000
y 0.000 -36.830 0.000
z 0.000 0.000 -41.421
Traceless
 xyz
x 2.144 0.000 0.000
y 0.000 2.370 0.000
z 0.000 0.000 -4.515
Polar
3z2-r2-9.030
x2-y2-0.151
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.536 0.000 0.000
y 0.000 10.589 0.000
z 0.000 0.000 9.324


<r2> (average value of r2) Å2
<r2> 214.846
(<r2>)1/2 14.658