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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: TPSSh/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at TPSSh/6-311G*
 hartrees
Energy at 0K-270.648440
Energy at 298.15K-270.658009
HF Energy-270.648440
Nuclear repulsion energy235.059689
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 TPSSh/6-311G*
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 3105 2991 8.13      
2 A 3091 2977 32.99      
3 A 3034 2922 28.79      
4 A 3026 2915 4.45      
5 A 1808 1742 235.34      
6 A 1530 1474 1.34      
7 A 1473 1419 0.05      
8 A 1351 1302 0.51      
9 A 1314 1266 1.12      
10 A 1230 1185 0.08      
11 A 1178 1135 0.49      
12 A 1037 998 0.88      
13 A 964 928 0.27      
14 A 900 867 0.36      
15 A 809 779 1.08      
16 A 706 680 1.12      
17 A 557 537 5.28      
18 A 229 221 0.15      
19 B 3106 2992 43.11      
20 B 3096 2982 46.02      
21 B 3039 2927 50.99      
22 B 3026 2914 12.21      
23 B 1517 1461 4.94      
24 B 1473 1419 18.75      
25 B 1348 1299 2.87      
26 B 1308 1260 4.76      
27 B 1260 1214 2.24      
28 B 1173 1130 2.01      
29 B 1146 1104 77.41      
30 B 972 937 11.58      
31 B 923 889 0.58      
32 B 842 811 11.66      
33 B 575 554 2.30      
34 B 465 448 4.74      
35 B 444 427 3.20      
36 B 102 98 4.73      

Unscaled Zero Point Vibrational Energy (zpe) 26577.9 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 25599.8 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 TPSSh/6-311G*
ABC
0.22066 0.11128 0.07997

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.135
C2 0.000 0.000 0.927
C3 0.000 1.242 0.028
C4 0.000 -1.242 0.028
C5 0.307 0.709 -1.378
C6 -0.307 -0.709 -1.378
H7 -1.008 1.674 0.073
H8 1.008 -1.674 0.073
H9 0.689 1.999 0.408
H10 -0.689 -1.999 0.408
H11 -0.089 1.341 -2.176
H12 0.089 -1.341 -2.176
H13 1.392 0.640 -1.523
H14 -1.392 -0.640 -1.523

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20882.44612.44613.59783.59782.84172.84172.73042.73044.51614.51613.96633.9663
C21.20881.53281.53282.43112.43112.13292.13292.17692.17693.38133.38132.88932.8893
C32.44611.53282.48321.53492.42401.09803.08561.09193.33452.20813.39612.16872.8078
C42.44611.53282.48322.42401.53493.08561.09803.33451.09193.39612.20812.80782.1687
C53.59782.43111.53492.42401.54502.18362.87672.23603.39311.09232.21001.09592.1742
C63.59782.43112.42401.53491.54502.87672.18363.39312.23602.21001.09232.17421.0959
H72.84172.13291.09803.08562.18362.87673.90881.76023.70212.45203.91813.06162.8374
H82.84172.13293.08561.09802.87672.18363.90883.70211.76023.91812.45202.83743.0616
H92.73042.17691.09193.33452.23603.39311.76023.70214.22832.77774.26472.46313.8758
H102.73042.17693.33451.09193.39312.23603.70211.76024.22834.26472.77773.87582.4631
H114.51613.38132.20813.39611.09232.21002.45203.91812.77774.26472.68721.76352.4589
H124.51613.38133.39612.20812.21001.09233.91812.45204.26472.77772.68722.45891.7635
H133.96632.88932.16872.80781.09592.17423.06162.83742.46313.87581.76352.45893.0636
H143.96632.88932.80782.16872.17421.09592.83743.06163.87582.46312.45891.76353.0636

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.902 O1 C2 C4 125.902
C2 C3 C5 104.836 C2 C3 H7 107.180
C2 C3 H9 110.956 C2 C4 C6 104.836
C2 C4 H8 107.180 C2 C4 H10 110.956
C3 C2 C4 108.195 C3 C5 C6 103.818
C3 C5 H11 113.304 C3 C5 H13 109.923
C4 C6 C5 103.818 C4 C6 H12 113.304
C4 C6 H14 109.923 C5 C3 H7 110.972
C5 C3 H9 115.662 C5 C6 H12 112.720
C5 C6 H14 109.652 C6 C4 H8 110.972
C6 C4 H10 115.662 C6 C5 H11 112.720
C6 C5 H13 109.652 H7 C3 H9 106.979
H8 C4 H10 106.979 H11 C5 H13 107.394
H12 C6 H14 107.394
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.320      
2 C 0.347      
3 C -0.487      
4 C -0.487      
5 C -0.419      
6 C -0.419      
7 H 0.233      
8 H 0.233      
9 H 0.234      
10 H 0.234      
11 H 0.215      
12 H 0.215      
13 H 0.211      
14 H 0.211      


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 -2.908 2.908
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.751 0.070 0.000
y 0.070 8.498 0.000
z 0.000 0.000 9.033


<r2> (average value of r2) Å2
<r2> 153.306
(<r2>)1/2 12.382