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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: PBEPBE/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/cc-pVDZ
 hartrees
Energy at 0K-270.241475
Energy at 298.15K-270.250934
HF Energy-270.241475
Nuclear repulsion energy233.867667
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/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 3050 3032 5.18      
2 A 3037 3019 21.00      
3 A 2972 2955 22.30      
4 A 2963 2946 4.89      
5 A 1781 1771 203.39      
6 A 1429 1421 1.50      
7 A 1364 1356 0.14      
8 A 1288 1280 0.92      
9 A 1247 1240 0.98      
10 A 1168 1161 0.18      
11 A 1130 1124 0.13      
12 A 1017 1011 0.76      
13 A 921 915 0.21      
14 A 890 885 0.36      
15 A 790 786 1.80      
16 A 686 682 0.81      
17 A 542 539 5.16      
18 A 236 234 0.17      
19 B 3050 3032 17.70      
20 B 3041 3024 27.42      
21 B 2977 2960 38.12      
22 B 2963 2946 5.29      
23 B 1414 1406 4.74      
24 B 1364 1357 19.14      
25 B 1286 1278 5.46      
26 B 1240 1233 8.08      
27 B 1197 1190 8.51      
28 B 1115 1109 56.54      
29 B 1108 1101 20.33      
30 B 954 949 9.85      
31 B 888 883 0.45      
32 B 818 813 12.67      
33 B 566 563 2.56      
34 B 457 454 3.77      
35 B 435 432 1.96      
36 B 104 103 4.24      

Unscaled Zero Point Vibrational Energy (zpe) 25745.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 25595.8 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 PBEPBE/cc-pVDZ
ABC
0.21939 0.11008 0.07931

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.149
C2 0.000 0.000 0.930
C3 0.000 1.243 0.024
C4 0.000 -1.243 0.024
C5 0.308 0.709 -1.383
C6 -0.308 -0.709 -1.383
H7 -1.026 1.672 0.074
H8 1.026 -1.672 0.074
H9 0.688 2.019 0.413
H10 -0.688 -2.019 0.413
H11 -0.087 1.350 -2.196
H12 0.087 -1.350 -2.196
H13 1.408 0.638 -1.526
H14 -1.408 -0.638 -1.526

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21912.46142.46143.61543.61542.85592.85592.74992.74994.55024.55023.98713.9871
C21.21911.53751.53752.43852.43852.14072.14072.19422.19423.40553.40552.90212.9021
C32.46141.53752.48511.53582.42581.11383.09061.10713.35532.22413.41392.17972.8150
C42.46141.53752.48512.42581.53583.09061.11383.35531.10713.41392.22412.81502.1797
C53.61542.43851.53582.42581.54672.19752.88262.25423.41411.10742.22471.11172.1868
C63.61542.43852.42581.53581.54672.88262.19753.41412.25422.22471.10742.18681.1117
H72.85592.14071.11383.09062.19752.88263.92421.78113.72172.47743.93963.09122.8363
H82.85592.14073.09061.11382.88262.19753.92423.72171.78113.93962.47742.83633.0912
H92.74992.19421.10713.35532.25423.41411.78113.72174.26482.80174.30222.48653.9000
H102.74992.19423.35531.10713.41412.25423.72171.78114.26484.30222.80173.90002.4865
H114.55023.40552.22413.41391.10742.22472.47743.93962.80174.30222.70491.78552.4794
H124.55023.40553.41392.22412.22471.10743.93962.47744.30222.80172.70492.47941.7855
H133.98712.90212.17972.81501.11172.18683.09122.83632.48653.90001.78552.47943.0921
H143.98712.90212.81502.17972.18681.11172.83633.09123.90002.48652.47941.78553.0921

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 126.086 O1 C2 C4 126.086
C2 C3 C5 105.014 C2 C3 H7 106.589
C2 C3 H9 111.088 C2 C4 C6 105.014
C2 C4 H8 106.589 C2 C4 H10 111.088
C3 C2 C4 107.827 C3 C5 C6 103.803
C3 C5 H11 113.594 C3 C5 H13 109.802
C4 C6 C5 103.803 C4 C6 H12 113.594
C4 C6 H14 109.802 C5 C3 H7 111.066
C5 C3 H9 116.117 C5 C6 H12 112.863
C5 C6 H14 109.605 C6 C4 H8 111.066
C6 C4 H10 116.117 C6 C5 H11 112.863
C6 C5 H13 109.605 H7 C3 H9 106.636
H8 C4 H10 106.636 H11 C5 H13 107.143
H12 C6 H14 107.143
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.180      
2 C 0.009      
3 C -0.019      
4 C -0.019      
5 C -0.047      
6 C -0.047      
7 H 0.057      
8 H 0.057      
9 H 0.040      
10 H 0.040      
11 H 0.021      
12 H 0.021      
13 H 0.032      
14 H 0.032      


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 -2.655 2.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.223 -0.260 0.000
y -0.260 -35.152 0.000
z 0.000 0.000 -43.543
Traceless
 xyz
x 4.125 -0.260 0.000
y -0.260 4.231 0.000
z 0.000 0.000 -8.356
Polar
3z2-r2-16.712
x2-y2-0.071
xy-0.260
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.884 0.076 0.000
y 0.076 8.674 0.000
z 0.000 0.000 9.128


<r2> (average value of r2) Å2
<r2> 154.388
(<r2>)1/2 12.425