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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-270.275723
Energy at 298.15K-270.285367
HF Energy-270.275723
Nuclear repulsion energy235.761426
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 PBE1PBE/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 3144 3023 4.05      
2 A 3130 3009 19.03      
3 A 3062 2944 21.96      
4 A 3057 2939 3.81      
5 A 1875 1803 234.94      
6 A 1481 1424 2.07      
7 A 1415 1360 0.01      
8 A 1339 1288 0.45      
9 A 1299 1249 1.16      
10 A 1212 1165 0.07      
11 A 1181 1136 0.36      
12 A 1051 1010 0.73      
13 A 953 916 0.17      
14 A 924 888 0.44      
15 A 826 795 1.23      
16 A 713 686 0.44      
17 A 561 540 5.50      
18 A 243 234 0.14      
19 B 3144 3023 15.65      
20 B 3134 3014 25.21      
21 B 3066 2948 36.27      
22 B 3057 2939 4.48      
23 B 1464 1407 6.12      
24 B 1416 1362 22.83      
25 B 1335 1284 4.10      
26 B 1293 1244 17.07      
27 B 1249 1201 9.72      
28 B 1173 1128 63.66      
29 B 1154 1109 3.10      
30 B 986 948 9.78      
31 B 919 884 0.70      
32 B 851 818 10.66      
33 B 585 562 2.92      
34 B 475 457 5.80      
35 B 452 434 2.29      
36 B 105 101 4.72      

Unscaled Zero Point Vibrational Energy (zpe) 26661.9 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 25635.4 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 PBE1PBE/cc-pVDZ
ABC
0.22252 0.11206 0.08067

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.128
C2 0.000 0.000 0.922
C3 0.000 1.234 0.026
C4 0.000 -1.234 0.026
C5 0.307 0.704 -1.372
C6 -0.307 -0.704 -1.372
H7 -1.019 1.660 0.075
H8 1.019 -1.660 0.075
H9 0.685 2.002 0.412
H10 -0.685 -2.002 0.412
H11 -0.083 1.341 -2.178
H12 0.083 -1.341 -2.178
H13 1.399 0.631 -1.513
H14 -1.399 -0.631 -1.513

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20602.43672.43673.58263.58262.82972.82972.72392.72394.51064.51063.95113.9511
C21.20601.52451.52452.41852.41852.12392.12392.17642.17643.37853.37852.87822.8782
C32.43671.52452.46801.52652.40931.10533.06861.09893.33012.20873.39102.16582.7942
C42.43671.52452.46802.40931.52653.06861.10533.33011.09893.39102.20872.79422.1658
C53.58262.41851.52652.40931.53582.18282.86152.23833.38941.09932.20991.10362.1711
C63.58262.41852.40931.52651.53582.86152.18283.38942.23832.20991.09932.17111.1036
H72.82972.12391.10533.06862.18282.86153.89561.76993.69282.46043.91133.07012.8140
H82.82972.12393.06861.10532.86152.18283.89563.69281.76993.91132.46042.81403.0701
H92.72392.17641.09893.33012.23833.38941.76993.69284.23182.78124.27202.46893.8710
H102.72392.17643.33011.09893.38942.23833.69281.76994.23184.27202.78123.87102.4689
H114.51063.37852.20873.39101.09932.20992.46043.91132.78124.27202.68781.77252.4630
H124.51063.37853.39102.20872.20991.09933.91132.46044.27202.78122.68782.46301.7725
H133.95112.87822.16582.79421.10362.17113.07012.81402.46893.87101.77252.46303.0698
H143.95112.87822.79422.16582.17111.10362.81403.07013.87102.46892.46301.77253.0698

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.957 O1 C2 C4 125.957
C2 C3 C5 104.877 C2 C3 H7 106.643
C2 C3 H9 111.076 C2 C4 C6 104.877
C2 C4 H8 106.643 C2 C4 H10 111.076
C3 C2 C4 108.085 C3 C5 C6 103.764
C3 C5 H11 113.529 C3 C5 H13 109.830
C4 C6 C5 103.764 C4 C6 H12 113.529
C4 C6 H14 109.830 C5 C3 H7 111.065
C5 C3 H9 116.027 C5 C6 H12 112.941
C5 C6 H14 109.596 C6 C4 H8 111.065
C6 C4 H10 116.027 C6 C5 H11 112.941
C6 C5 H13 109.596 H7 C3 H9 106.828
H8 C4 H10 106.828 H11 C5 H13 107.152
H12 C6 H14 107.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.218      
2 C 0.046      
3 C -0.051      
4 C -0.051      
5 C -0.078      
6 C -0.078      
7 H 0.072      
8 H 0.072      
9 H 0.059      
10 H 0.059      
11 H 0.038      
12 H 0.038      
13 H 0.047      
14 H 0.047      


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 -2.824 2.824
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.957 -0.245 0.000
y -0.245 -34.888 0.000
z 0.000 0.000 -43.750
Traceless
 xyz
x 4.362 -0.245 0.000
y -0.245 4.465 0.000
z 0.000 0.000 -8.827
Polar
3z2-r2-17.655
x2-y2-0.069
xy-0.245
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.661 0.072 0.000
y 0.072 8.235 0.000
z 0.000 0.000 8.757


<r2> (average value of r2) Å2
<r2> 152.181
(<r2>)1/2 12.336