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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-270.263170
Energy at 298.15K-270.272619
HF Energy-270.263170
Nuclear repulsion energy233.865528
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 PBEPBE/aug-cc-pVDZ
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 3055 3036 5.68      
2 A 3040 3022 20.32      
3 A 2979 2961 25.29      
4 A 2970 2952 4.61      
5 A 1744 1733 240.66      
6 A 1441 1433 2.06      
7 A 1379 1370 0.11      
8 A 1281 1273 0.46      
9 A 1243 1235 1.82      
10 A 1166 1159 0.31      
11 A 1125 1118 0.12      
12 A 1013 1007 0.90      
13 A 916 911 0.28      
14 A 886 880 0.44      
15 A 790 785 2.57      
16 A 685 681 1.05      
17 A 548 545 5.79      
18 A 220 219 0.17      
19 B 3055 3037 21.22      
20 B 3046 3028 28.40      
21 B 2984 2966 38.54      
22 B 2969 2951 5.37      
23 B 1427 1418 5.09      
24 B 1378 1370 21.36      
25 B 1278 1270 2.82      
26 B 1237 1229 7.94      
27 B 1196 1189 9.15      
28 B 1119 1112 51.52      
29 B 1108 1102 15.16      
30 B 950 944 9.91      
31 B 886 880 0.34      
32 B 813 808 10.39      
33 B 568 565 2.11      
34 B 456 454 5.21      
35 B 434 431 1.65      
36 B 104 103 4.99      

Unscaled Zero Point Vibrational Energy (zpe) 25743.6 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 25586.6 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 PBEPBE/aug-cc-pVDZ
ABC
0.21920 0.11017 0.07920

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.148
C2 0.000 0.000 0.926
C3 0.000 1.244 0.028
C4 0.000 -1.244 0.028
C5 0.298 0.714 -1.385
C6 -0.298 -0.714 -1.385
H7 -1.019 1.681 0.087
H8 1.019 -1.681 0.087
H9 0.699 2.006 0.415
H10 -0.699 -2.006 0.415
H11 -0.120 1.349 -2.187
H12 0.120 -1.349 -2.187
H13 1.394 0.662 -1.544
H14 -1.394 -0.662 -1.544

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.22252.45822.45823.61713.61712.84852.84852.74212.74214.54164.54164.00144.0014
C21.22251.53411.53412.43702.43702.13752.13752.18512.18513.39433.39432.91182.9118
C32.45821.53412.48791.53812.43331.11043.09831.10423.34682.22053.41192.17972.8364
C42.45821.53412.48792.43331.53813.09831.11043.34681.10423.41192.22052.83642.1797
C53.61712.43701.53812.43331.54852.19932.90292.25113.41101.10452.22051.10792.1868
C63.61712.43702.43331.53811.54852.90292.19933.41102.25112.22051.10452.18681.1079
H72.84852.13751.11043.09832.19932.90293.93221.77893.71582.46763.95593.08522.8796
H82.84852.13753.09831.11042.90292.19933.93223.71581.77893.95592.46762.87963.0852
H92.74212.18511.10423.34682.25113.41101.77893.71584.24892.80554.28442.47463.9158
H102.74212.18513.34681.10423.41102.25113.71581.77894.24894.28442.80553.91582.4746
H114.54163.39432.22053.41191.10452.22052.46763.95592.80554.28442.70781.78212.4653
H124.54163.39433.41192.22052.22051.10453.95592.46764.28442.80552.70782.46531.7821
H134.00142.91182.17972.83641.10792.18683.08522.87962.47463.91581.78212.46533.0856
H144.00142.91182.83642.17972.18681.10792.87963.08523.91582.47462.46531.78213.0856

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.818 O1 C2 C4 125.818
C2 C3 C5 104.981 C2 C3 H7 106.761
C2 C3 H9 110.781 C2 C4 C6 104.981
C2 C4 H8 106.761 C2 C4 H10 110.781
C3 C2 C4 108.363 C3 C5 C6 104.060
C3 C5 H11 113.315 C3 C5 H13 109.855
C4 C6 C5 104.060 C4 C6 H12 113.315
C4 C6 H14 109.855 C5 C3 H7 111.252
C5 C3 H9 115.873 C5 C6 H12 112.571
C5 C6 H14 109.703 C6 C4 H8 111.252
C6 C4 H10 115.873 C6 C5 H11 112.571
C6 C5 H13 109.703 H7 C3 H9 106.885
H8 C4 H10 106.885 H11 C5 H13 107.315
H12 C6 H14 107.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.589      
2 C 0.224      
3 C 0.569      
4 C 0.569      
5 C 0.842      
6 C 0.842      
7 H -0.221      
8 H -0.221      
9 H -0.293      
10 H -0.293      
11 H -0.311      
12 H -0.311      
13 H -0.404      
14 H -0.404      


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 -3.171 3.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.614 -0.209 0.000
y -0.209 -35.663 0.000
z 0.000 0.000 -45.536
Traceless
 xyz
x 4.986 -0.209 0.000
y -0.209 4.912 0.000
z 0.000 0.000 -9.898
Polar
3z2-r2-19.796
x2-y20.049
xy-0.209
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.838 0.092 0.000
y 0.092 10.097 0.000
z 0.000 0.000 10.779


<r2> (average value of r2) Å2
<r2> 155.046
(<r2>)1/2 12.452