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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-311G*
 hartrees
Energy at 0K-270.636637
Energy at 298.15K-270.646230
HF Energy-270.636637
Nuclear repulsion energy235.003912
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 B3LYPultrafine/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 3100 2996 8.45      
2 A 3089 2984 28.77      
3 A 3032 2930 27.81      
4 A 3025 2923 3.09      
5 A 1828 1766 241.32      
6 A 1525 1473 2.23      
7 A 1467 1418 0.00      
8 A 1350 1305 0.14      
9 A 1316 1271 1.93      
10 A 1229 1188 0.03      
11 A 1181 1141 0.47      
12 A 1035 1000 0.74      
13 A 973 940 0.25      
14 A 897 867 0.44      
15 A 810 782 1.22      
16 A 709 686 1.24      
17 A 568 549 5.09      
18 A 230 222 0.11      
19 B 3102 2997 40.64      
20 B 3093 2988 37.52      
21 B 3039 2937 48.12      
22 B 3025 2923 10.03      
23 B 1511 1460 5.80      
24 B 1467 1418 21.19      
25 B 1350 1304 1.92      
26 B 1308 1264 5.21      
27 B 1263 1221 1.80      
28 B 1179 1139 1.28      
29 B 1147 1108 80.06      
30 B 972 939 12.90      
31 B 931 900 1.01      
32 B 844 815 11.31      
33 B 589 569 2.75      
34 B 471 455 3.90      
35 B 452 436 4.20      
36 B 96 93 4.90      

Unscaled Zero Point Vibrational Energy (zpe) 26599.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 25702.6 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 B3LYPultrafine/6-311G*
ABC
0.22039 0.11127 0.07978

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311G*

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 0.929
C3 0.000 1.242 0.031
C4 0.000 -1.242 0.031
C5 0.295 0.715 -1.381
C6 -0.295 -0.715 -1.381
H7 -1.002 1.685 0.088
H8 1.002 -1.685 0.088
H9 0.698 1.992 0.408
H10 -0.698 -1.992 0.408
H11 -0.123 1.342 -2.172
H12 0.123 -1.342 -2.172
H13 1.377 0.668 -1.545
H14 -1.377 -0.668 -1.545

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20432.44242.44243.59873.59872.83352.83352.72702.72704.51124.51123.98393.9839
C21.20431.53311.53312.43632.43632.13372.13372.17462.17463.38103.38102.90912.9091
C32.44241.53312.48421.53562.43081.09763.09491.09183.33032.20813.39722.16952.8333
C42.44241.53312.48422.43081.53563.09491.09763.33031.09183.39722.20812.83332.1695
C53.59872.43631.53562.43081.54622.18722.90182.23473.39301.09192.20971.09552.1759
C63.59872.43632.43081.53561.54622.90182.18723.39302.23472.20971.09192.17591.0955
H72.83352.13371.09763.09492.18722.90183.92201.75703.70422.44953.94153.05982.8891
H82.83352.13373.09491.09762.90182.18723.92203.70421.75703.94152.44952.88913.0598
H92.72702.17461.09183.33032.23473.39301.75703.70424.22222.78374.25422.45453.8981
H102.72702.17463.33031.09183.39302.23473.70421.75704.22224.25422.78373.89812.4545
H114.51123.38102.20813.39721.09192.20972.44953.94152.78374.25422.69421.75932.4509
H124.51123.38103.39722.20812.20971.09193.94152.44954.25422.78372.69422.45091.7593
H133.98392.90912.16952.83331.09552.17593.05982.88912.45453.89811.75932.45093.0613
H143.98392.90912.83332.16952.17591.09552.88913.05983.89812.45452.45091.75933.0613

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.885 O1 C2 C4 125.885
C2 C3 C5 105.106 C2 C3 H7 107.245
C2 C3 H9 110.762 C2 C4 C6 105.106
C2 C4 H8 107.245 C2 C4 H10 110.762
C3 C2 C4 108.230 C3 C5 C6 104.141
C3 C5 H11 113.278 C3 C5 H13 109.960
C4 C6 C5 104.141 C4 C6 H12 113.278
C4 C6 H14 109.960 C5 C3 H7 111.243
C5 C3 H9 115.508 C5 C6 H12 112.640
C5 C6 H14 109.732 C6 C4 H8 111.243
C6 C4 H10 115.508 C6 C5 H11 112.640
C6 C5 H13 109.732 H7 C3 H9 106.743
H8 C4 H10 106.743 H11 C5 H13 107.085
H12 C6 H14 107.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.294      
2 C 0.317      
3 C -0.488      
4 C -0.488      
5 C -0.422      
6 C -0.422      
7 H 0.233      
8 H 0.233      
9 H 0.237      
10 H 0.237      
11 H 0.217      
12 H 0.217      
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 -2.916 2.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.376 -0.231 0.000
y -0.231 -35.533 0.000
z 0.000 0.000 -44.749
Traceless
 xyz
x 4.765 -0.231 0.000
y -0.231 4.530 0.000
z 0.000 0.000 -9.295
Polar
3z2-r2-18.589
x2-y20.157
xy-0.231
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.758 0.065 0.000
y 0.065 8.446 0.000
z 0.000 0.000 8.943


<r2> (average value of r2) Å2
<r2> 153.737
(<r2>)1/2 12.399