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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: wB97X-D/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-270.588021
Energy at 298.15K-270.597738
HF Energy-270.588021
Nuclear repulsion energy236.291362
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/aug-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 3135 2999 8.29      
2 A 3127 2992 18.28      
3 A 3064 2931 25.15      
4 A 3060 2927 0.86      
5 A 1856 1776 275.84      
6 A 1523 1457 2.13      
7 A 1464 1401 0.03      
8 A 1352 1294 0.17      
9 A 1319 1262 1.43      
10 A 1230 1176 0.11      
11 A 1185 1134 0.54      
12 A 1049 1003 0.68      
13 A 978 935 0.10      
14 A 911 872 0.46      
15 A 823 787 1.70      
16 A 724 692 1.42      
17 A 578 553 5.36      
18 A 238 227 0.11      
19 B 3138 3002 28.55      
20 B 3130 2994 22.55      
21 B 3069 2936 38.57      
22 B 3060 2927 6.05      
23 B 1509 1444 5.65      
24 B 1464 1401 22.73      
25 B 1348 1289 1.30      
26 B 1309 1252 9.37      
27 B 1273 1218 1.72      
28 B 1184 1133 6.17      
29 B 1171 1120 63.81      
30 B 983 941 9.12      
31 B 934 894 0.95      
32 B 855 818 9.45      
33 B 593 568 2.46      
34 B 483 462 3.75      
35 B 462 442 5.40      
36 B 111 106 5.48      

Unscaled Zero Point Vibrational Energy (zpe) 26846.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 25681.3 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/aug-cc-pVTZ
ABC
0.22272 0.11263 0.08083

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.121
C2 0.000 0.000 0.922
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 0.650 -1.526
H14 -1.378 -0.650 -1.526

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.19892.42872.42873.57783.57782.81952.81952.71252.71254.48774.48773.95283.9528
C21.19891.52421.52422.42062.42062.12152.12152.16342.16343.36263.36262.88392.8839
C32.42871.52422.47241.52932.41661.09313.07581.08783.31342.19743.38132.16022.8074
C42.42871.52422.47242.41661.52933.07581.09313.31341.08783.38132.19742.80742.1602
C53.57782.42061.52932.41661.53722.17722.87702.22293.37461.08812.19871.09162.1637
C63.57782.42062.41661.52931.53722.87702.17723.37462.22292.19871.08812.16371.0916
H72.81952.12151.09313.07582.17722.87703.89711.75803.67902.43833.91423.04892.8501
H82.81952.12153.07581.09312.87702.17723.89713.67901.75803.91422.43832.85013.0489
H92.71252.16341.08783.31342.22293.37461.75803.67904.20122.76774.23472.44153.8687
H102.71252.16343.31341.08783.37462.22293.67901.75804.20124.23472.76773.86872.4415
H114.48773.36262.19743.38131.08812.19872.43833.91422.76774.23472.68061.75842.4401
H124.48773.36263.38132.19742.19871.08813.91422.43834.23472.76772.68062.44011.7584
H133.95282.88392.16022.80741.09162.16373.04892.85012.44153.86871.75842.44013.0479
H143.95282.88392.80742.16022.16371.09162.85013.04893.86872.44152.44011.75843.0479

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.802 O1 C2 C4 125.802
C2 C3 C5 104.883 C2 C3 H7 107.148
C2 C3 H9 110.725 C2 C4 C6 104.883
C2 C4 H8 107.148 C2 C4 H10 110.725
C3 C2 C4 108.396 C3 C5 C6 104.010
C3 C5 H11 113.101 C3 C5 H13 109.894
C4 C6 C5 104.010 C4 C6 H12 113.101
C4 C6 H14 109.894 C5 C3 H7 111.153
C5 C3 H9 115.251 C5 C6 H12 112.634
C5 C6 H14 109.622 C6 C4 H8 111.153
C6 C4 H10 115.251 C6 C5 H11 112.634
C6 C5 H13 109.622 H7 C3 H9 107.427
H8 C4 H10 107.427 H11 C5 H13 107.548
H12 C6 H14 107.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.872      
2 C 0.678      
3 C -0.414      
4 C -0.414      
5 C -0.473      
6 C -0.473      
7 H 0.224      
8 H 0.224      
9 H 0.280      
10 H 0.280      
11 H 0.270      
12 H 0.270      
13 H 0.210      
14 H 0.210      


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 -3.243 3.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.995 -0.194 0.000
y -0.194 -34.953 0.000
z 0.000 0.000 -44.977
Traceless
 xyz
x 4.970 -0.194 0.000
y -0.194 5.033 0.000
z 0.000 0.000 -10.003
Polar
3z2-r2-20.006
x2-y2-0.042
xy-0.194
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.428 0.092 0.000
y 0.092 9.231 0.000
z 0.000 0.000 10.009


<r2> (average value of r2) Å2
<r2> 151.996
(<r2>)1/2 12.329