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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-270.584550
Energy at 298.15K-270.594267
HF Energy-270.584550
Nuclear repulsion energy236.265941
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 wB97X-D/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3136 2998 8.69      
2 A 3129 2991 18.01      
3 A 3066 2931 25.59      
4 A 3061 2926 1.07      
5 A 1865 1783 255.03      
6 A 1524 1457 2.04      
7 A 1465 1401 0.03      
8 A 1353 1293 0.09      
9 A 1319 1261 1.80      
10 A 1229 1175 0.10      
11 A 1185 1133 0.46      
12 A 1049 1003 0.62      
13 A 978 935 0.13      
14 A 911 871 0.58      
15 A 823 787 1.46      
16 A 724 692 1.29      
17 A 578 553 5.24      
18 A 237 227 0.11      
19 B 3139 3001 30.25      
20 B 3131 2993 22.56      
21 B 3071 2936 39.13      
22 B 3061 2927 6.58      
23 B 1509 1443 5.63      
24 B 1465 1400 22.13      
25 B 1349 1289 1.73      
26 B 1309 1251 9.91      
27 B 1272 1216 1.52      
28 B 1184 1132 6.68      
29 B 1171 1119 68.99      
30 B 984 941 9.78      
31 B 935 894 0.95      
32 B 856 818 9.82      
33 B 594 568 2.50      
34 B 483 462 3.24      
35 B 462 442 5.57      
36 B 111 106 5.13      

Unscaled Zero Point Vibrational Energy (zpe) 26858.4 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 25676.6 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 wB97X-D/cc-pVTZ
ABC
0.22266 0.11260 0.08080

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.122
C2 0.000 0.000 0.923
C3 0.000 1.236 0.031
C4 0.000 -1.236 0.031
C5 0.299 0.708 -1.373
C6 -0.299 -0.708 -1.373
H7 -1.001 1.672 0.083
H8 1.001 -1.672 0.083
H9 0.699 1.981 0.405
H10 -0.699 -1.981 0.405
H11 -0.111 1.336 -2.162
H12 0.111 -1.336 -2.162
H13 1.378 0.651 -1.527
H14 -1.378 -0.651 -1.527

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.19842.42902.42903.57833.57832.82022.82022.71302.71304.48844.48843.95373.9537
C21.19841.52471.52472.42152.42152.12232.12232.16372.16373.36373.36372.88512.8851
C32.42901.52472.47251.52942.41691.09323.07661.08783.31342.19783.38162.16042.8080
C42.42901.52472.47252.41691.52943.07661.09323.31341.08783.38162.19782.80802.1604
C53.57832.42151.52942.41691.53732.17722.87792.22293.37471.08822.19881.09172.1638
C63.57832.42152.41691.52941.53732.87792.17723.37472.22292.19881.08822.16381.0917
H72.82022.12231.09323.07662.17722.87793.89821.75773.67982.43853.91503.04892.8515
H82.82022.12233.07661.09322.87792.17723.89823.67981.75773.91502.43852.85153.0489
H92.71302.16371.08783.31342.22293.37471.75773.67984.20142.76804.23482.44143.8692
H102.71302.16373.31341.08783.37472.22293.67981.75774.20144.23482.76803.86922.4414
H114.48843.36372.19783.38161.08822.19882.43853.91502.76804.23482.68061.75822.4401
H124.48843.36373.38162.19782.19881.08823.91502.43854.23482.76802.68062.44011.7582
H133.95372.88512.16042.80801.09172.16383.04892.85152.44143.86921.75822.44013.0479
H143.95372.88512.80802.16042.16381.09172.85153.04893.86922.44142.44011.75823.0479

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.824 O1 C2 C4 125.824
C2 C3 C5 104.913 C2 C3 H7 107.181
C2 C3 H9 110.718 C2 C4 C6 104.913
C2 C4 H8 107.181 C2 C4 H10 110.718
C3 C2 C4 108.353 C3 C5 C6 104.016
C3 C5 H11 113.127 C3 C5 H13 109.896
C4 C6 C5 104.016 C4 C6 H12 113.127
C4 C6 H14 109.896 C5 C3 H7 111.146
C5 C3 H9 115.239 C5 C6 H12 112.632
C5 C6 H14 109.616 C6 C4 H8 111.146
C6 C4 H10 115.239 C6 C5 H11 112.632
C6 C5 H13 109.616 H7 C3 H9 107.396
H8 C4 H10 107.396 H11 C5 H13 107.522
H12 C6 H14 107.522
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.273      
2 C 0.183      
3 C -0.181      
4 C -0.181      
5 C -0.174      
6 C -0.174      
7 H 0.107      
8 H 0.107      
9 H 0.107      
10 H 0.107      
11 H 0.096      
12 H 0.096      
13 H 0.091      
14 H 0.091      


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 -3.088 3.088
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.932 -0.204 0.000
y -0.204 -34.888 0.000
z 0.000 0.000 -44.473
Traceless
 xyz
x 4.749 -0.204 0.000
y -0.204 4.814 0.000
z 0.000 0.000 -9.563
Polar
3z2-r2-19.125
x2-y2-0.043
xy-0.204
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.085 0.082 0.000
y 0.082 8.735 0.000
z 0.000 0.000 9.407


<r2> (average value of r2) Å2
<r2> 151.908
(<r2>)1/2 12.325