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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: TPSSh/TZVP

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/TZVP
 hartrees
Energy at 0K-270.681179
Energy at 298.15K-270.690770
HF Energy-270.681179
Nuclear repulsion energy235.280076
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/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 A 3106 2993 6.00      
2 A 3091 2979 27.32      
3 A 3034 2923 25.15      
4 A 3026 2916 2.81      
5 A 1796 1731 247.89      
6 A 1521 1466 1.15      
7 A 1461 1408 0.04      
8 A 1346 1297 0.36      
9 A 1310 1262 1.43      
10 A 1224 1180 0.12      
11 A 1175 1132 0.48      
12 A 1034 996 0.82      
13 A 960 925 0.23      
14 A 897 865 0.36      
15 A 807 778 1.58      
16 A 705 679 1.29      
17 A 560 539 5.47      
18 A 228 220 0.18      
19 B 3107 2994 28.07      
20 B 3096 2984 37.10      
21 B 3039 2929 43.26      
22 B 3026 2916 6.82      
23 B 1508 1453 4.31      
24 B 1461 1408 18.45      
25 B 1345 1297 2.66      
26 B 1300 1253 5.61      
27 B 1257 1211 2.04      
28 B 1166 1124 2.36      
29 B 1145 1104 73.48      
30 B 970 935 10.21      
31 B 920 887 0.50      
32 B 840 810 11.66      
33 B 576 555 2.27      
34 B 469 452 5.22      
35 B 444 428 2.38      
36 B 104 100 5.20      

Unscaled Zero Point Vibrational Energy (zpe) 26525.8 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 25562.9 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/TZVP
ABC
0.22107 0.11153 0.08014

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.134
C2 0.000 0.000 0.924
C3 0.000 1.241 0.028
C4 0.000 -1.241 0.028
C5 0.307 0.708 -1.377
C6 -0.307 -0.708 -1.377
H7 -1.009 1.670 0.075
H8 1.009 -1.670 0.075
H9 0.690 1.996 0.408
H10 -0.690 -1.996 0.408
H11 -0.092 1.340 -2.173
H12 0.092 -1.340 -2.173
H13 1.390 0.641 -1.522
H14 -1.390 -0.641 -1.522

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21002.44362.44363.59453.59452.83622.83622.72712.72714.51094.51093.96263.9626
C21.21001.52991.52992.42662.42662.12742.12742.17372.17373.37503.37502.88452.8845
C32.44361.52992.48131.53382.42231.09713.08071.09113.33082.20533.39302.16652.8060
C42.44361.52992.48132.42231.53383.08071.09713.33081.09113.39302.20532.80602.1665
C53.59452.42661.53382.42231.54372.18222.87342.23383.38981.09142.20781.09492.1722
C63.59452.42662.42231.53381.54372.87342.18223.38982.23382.20781.09142.17221.0949
H72.83622.12741.09713.08072.18222.87343.90161.76163.69432.44953.91433.05932.8342
H82.83622.12743.08071.09712.87342.18223.90163.69431.76163.91432.44952.83423.0593
H92.72712.17371.09113.33082.23383.38981.76163.69434.22332.77524.25942.45923.8729
H102.72712.17373.33081.09113.38982.23383.69431.76164.22334.25942.77523.87292.4592
H114.51093.37502.20533.39301.09142.20782.44953.91432.77524.25942.68611.76332.4557
H124.51093.37503.39302.20532.20781.09143.91432.44954.25942.77522.68612.45571.7633
H133.96262.88452.16652.80601.09492.17223.05932.83422.45923.87291.76332.45573.0608
H143.96262.88452.80602.16652.17221.09492.83423.05933.87292.45922.45571.76333.0608

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.812 O1 C2 C4 125.812
C2 C3 C5 104.756 C2 C3 H7 107.005
C2 C3 H9 110.954 C2 C4 C6 104.756
C2 C4 H8 107.005 C2 C4 H10 110.954
C3 C2 C4 108.375 C3 C5 C6 103.836
C3 C5 H11 113.216 C3 C5 H13 109.883
C4 C6 C5 103.836 C4 C6 H12 113.216
C4 C6 H14 109.883 C5 C3 H7 110.997
C5 C3 H9 115.619 C5 C6 H12 112.701
C5 C6 H14 109.651 C6 C4 H8 110.997
C6 C4 H10 115.619 C6 C5 H11 112.701
C6 C5 H13 109.651 H7 C3 H9 107.230
H8 C4 H10 107.230 H11 C5 H13 107.520
H12 C6 H14 107.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.255      
2 C 0.075      
3 C -0.195      
4 C -0.195      
5 C -0.222      
6 C -0.222      
7 H 0.131      
8 H 0.131      
9 H 0.138      
10 H 0.138      
11 H 0.124      
12 H 0.124      
13 H 0.115      
14 H 0.115      


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 -3.136 3.136
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 7.110 0.073 0.000
y 0.073 8.879 0.000
z 0.000 0.000 9.621


<r2> (average value of r2) Å2
<r2> 153.144
(<r2>)1/2 12.375