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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-270.373686
Energy at 298.15K-270.383346
HF Energy-270.373686
Nuclear repulsion energy236.507644
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 HSEh1PBE/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 3128 3006 5.05      
2 A 3114 2993 21.09      
3 A 3052 2934 24.05      
4 A 3045 2927 1.00      
5 A 1852 1780 246.97      
6 A 1505 1446 2.23      
7 A 1443 1387 0.01      
8 A 1343 1291 0.04      
9 A 1308 1257 2.39      
10 A 1221 1174 0.18      
11 A 1182 1136 0.32      
12 A 1050 1009 0.72      
13 A 959 922 0.23      
14 A 916 880 0.52      
15 A 823 791 1.75      
16 A 714 687 0.84      
17 A 568 546 5.78      
18 A 233 224 0.13      
19 B 3128 3006 19.20      
20 B 3119 2997 27.23      
21 B 3059 2940 37.63      
22 B 3046 2928 4.02      
23 B 1491 1433 5.86      
24 B 1442 1386 22.27      
25 B 1346 1294 2.58      
26 B 1299 1249 9.57      
27 B 1258 1209 4.70      
28 B 1173 1127 52.90      
29 B 1163 1118 21.88      
30 B 984 946 10.28      
31 B 925 889 0.58      
32 B 850 817 10.80      
33 B 588 565 2.63      
34 B 477 458 5.99      
35 B 453 436 2.44      
36 B 105 101 4.97      

Unscaled Zero Point Vibrational Energy (zpe) 26681.4 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 25643.5 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 HSEh1PBE/cc-pVTZ
ABC
0.22367 0.11270 0.08101

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.119
C2 0.000 0.000 0.917
C3 0.000 1.232 0.028
C4 0.000 -1.232 0.028
C5 -0.302 -0.704 -1.368
C6 0.302 0.704 -1.368
H7 -1.007 1.660 0.080
H8 1.007 -1.660 0.080
H9 0.689 1.986 0.408
H10 -0.689 -1.986 0.408
H11 1.384 0.640 -1.515
H12 -1.384 -0.640 -1.515
H13 -0.099 1.334 -2.161
H14 0.099 -1.334 -2.161

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20112.42682.42683.56953.56952.81582.81582.70992.70993.94053.94054.48394.4839
C21.20111.51981.51982.41022.41022.11502.11502.16272.16272.87092.87093.35673.3567
C32.42681.51982.46452.40611.52241.09583.06331.08953.31282.15562.79312.19383.3744
C42.42681.51982.46451.52242.40613.06331.09583.31281.08952.79312.15563.37442.1938
C53.56952.41022.40611.52241.53292.86052.17353.37222.22362.16171.09352.19651.0896
C63.56952.41021.52242.40611.53292.17352.86052.22363.37221.09352.16171.08962.1965
H72.81582.11501.09583.06332.86052.17353.88391.75833.67453.05002.82402.44003.8999
H82.81582.11503.06331.09582.17352.86053.88393.67451.75832.82403.05003.89992.4400
H92.70992.16271.08953.31283.37222.22361.75833.67454.20372.44793.85872.76544.2389
H102.70992.16273.31281.08952.22363.37223.67451.75834.20373.85872.44794.23892.7654
H113.94052.87092.15562.79312.16171.09353.05002.82402.44793.85873.04971.76022.4422
H123.94052.87092.79312.15561.09352.16172.82403.05003.85872.44793.04972.44221.7602
H134.48393.35672.19383.37442.19651.08962.44003.89992.76544.23891.76022.44222.6748
H144.48393.35673.37442.19381.08962.19653.89992.44004.23892.76542.44221.76022.6748

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.825 O1 C2 C4 125.825
C2 C3 C5 71.754 C2 C3 H7 106.800
C2 C3 H9 110.885 C2 C4 C6 71.754
C2 C4 H8 106.800 C2 C4 H10 110.885
C3 C2 C4 108.350 C3 C5 C6 37.894
C3 C5 H11 56.012 C3 C5 H13 56.713
C4 C6 C5 37.894 C4 C6 H12 56.012
C4 C6 H14 56.713 C5 C3 H7 103.070
C5 C3 H9 146.982 C5 C6 H12 28.452
C5 C6 H14 27.239 C6 C4 H8 103.070
C6 C4 H10 146.982 C6 C5 H11 28.452
C6 C5 H13 27.239 H7 C3 H9 107.151
H8 C4 H10 107.151 H11 C5 H13 47.634
H12 C6 H14 47.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.265      
2 C 0.187      
3 C -0.187      
4 C -0.187      
5 C -0.179      
6 C -0.179      
7 H 0.107      
8 H 0.107      
9 H 0.110      
10 H 0.110      
11 H 0.091      
12 H 0.091      
13 H 0.098      
14 H 0.098      


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 -3.052 3.052
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.051 -0.218 0.000
y -0.218 -35.021 0.000
z 0.000 0.000 -44.476
Traceless
 xyz
x 4.698 -0.218 0.000
y -0.218 4.742 0.000
z 0.000 0.000 -9.440
Polar
3z2-r2-18.881
x2-y2-0.030
xy-0.218
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.100 0.090 0.000
y 0.090 8.839 0.000
z 0.000 0.000 9.446


<r2> (average value of r2) Å2
<r2> 151.684
(<r2>)1/2 12.316