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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-270.533831
Energy at 298.15K-270.543457
HF Energy-270.533831
Nuclear repulsion energy232.920481
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 B3LYP/SDD
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 3133 3012 11.09      
2 A 3125 3004 20.64      
3 A 3062 2943 25.80      
4 A 3051 2933 16.22      
5 A 1715 1649 206.95      
6 A 1533 1473 4.58      
7 A 1480 1423 0.19      
8 A 1353 1300 0.35      
9 A 1321 1270 3.75      
10 A 1232 1184 0.02      
11 A 1185 1139 0.34      
12 A 1069 1028 1.29      
13 A 989 950 1.11      
14 A 905 870 1.45      
15 A 823 791 0.03      
16 A 729 700 1.13      
17 A 576 554 6.30      
18 A 224 215 0.01      
19 B 3142 3020 67.77      
20 B 3126 3005 26.65      
21 B 3062 2944 44.33      
22 B 3050 2932 13.65      
23 B 1524 1465 9.71      
24 B 1480 1423 36.53      
25 B 1361 1308 0.82      
26 B 1312 1261 4.20      
27 B 1270 1221 0.24      
28 B 1185 1139 29.36      
29 B 1179 1133 53.47      
30 B 989 951 24.62      
31 B 940 904 1.57      
32 B 856 823 14.49      
33 B 595 572 3.42      
34 B 469 451 2.25      
35 B 450 433 7.45      
36 B 107 102 6.83      

Unscaled Zero Point Vibrational Energy (zpe) 26799.1 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 25761.9 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 B3LYP/SDD
ABC
0.21758 0.10901 0.07827

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.166
C2 0.000 0.000 0.922
C3 0.000 1.250 0.030
C4 0.000 -1.250 0.030
C5 0.294 0.721 -1.394
C6 -0.294 -0.721 -1.394
H7 -1.000 1.706 0.088
H8 1.000 -1.706 0.088
H9 0.713 1.994 0.403
H10 -0.713 -1.994 0.403
H11 -0.142 1.350 -2.178
H12 0.142 -1.350 -2.178
H13 1.378 0.683 -1.565
H14 -1.378 -0.683 -1.565

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.24412.47502.47503.64433.64432.86872.86872.75552.75554.55154.55154.03624.0362
C21.24411.53581.53582.44352.44352.14622.14622.18022.18023.38443.38442.92472.9247
C32.47501.53582.50061.54742.44991.10073.12131.09543.34252.21533.41432.18342.8608
C42.47501.53582.50062.44991.54743.12131.10073.34251.09543.41432.21532.86082.1834
C53.64432.44351.54742.44991.55772.19992.93022.24143.40811.09532.21971.09862.1903
C63.64432.44352.44991.54741.55772.93022.19993.40812.24142.21971.09532.19031.0986
H72.86872.14621.10073.12132.19992.93023.95501.76563.72422.44933.97193.07192.9298
H82.86872.14623.12131.10072.93022.19993.95503.72421.76563.97192.44932.92983.0719
H92.75552.18021.09543.34252.24143.40811.76563.72424.23512.79444.26242.45673.9261
H102.75552.18023.34251.09543.40812.24143.72421.76564.23514.26242.79443.92612.4567
H114.55153.38442.21533.41431.09532.21972.44933.97192.79444.26242.71411.76942.4568
H124.55153.38443.41432.21532.21971.09533.97192.44934.26242.79442.71412.45681.7694
H134.03622.92472.18342.86081.09862.19033.07192.92982.45673.92611.76942.45683.0765
H144.03622.92472.86082.18342.19031.09862.92983.07193.92612.45672.45681.76943.0765

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.500 O1 C2 C4 125.500
C2 C3 C5 104.843 C2 C3 H7 107.844
C2 C3 H9 110.801 C2 C4 C6 104.843
C2 C4 H8 107.844 C2 C4 H10 110.801
C3 C2 C4 109.001 C3 C5 C6 104.184
C3 C5 H11 112.800 C3 C5 H13 110.052
C4 C6 C5 104.184 C4 C6 H12 112.800
C4 C6 H14 110.052 C5 C3 H7 111.233
C5 C3 H9 114.945 C5 C6 H12 112.406
C5 C6 H14 109.883 C6 C4 H8 111.233
C6 C4 H10 114.945 C6 C5 H11 112.406
C6 C5 H13 109.883 H7 C3 H9 107.015
H8 C4 H10 107.015 H11 C5 H13 107.508
H12 C6 H14 107.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.223      
2 C 0.164      
3 C -0.455      
4 C -0.455      
5 C -0.377      
6 C -0.377      
7 H 0.222      
8 H 0.222      
9 H 0.236      
10 H 0.236      
11 H 0.210      
12 H 0.210      
13 H 0.194      
14 H 0.194      


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 -3.539 3.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.779 -0.204 0.000
y -0.204 -34.496 0.000
z 0.000 0.000 -45.895
Traceless
 xyz
x 5.417 -0.204 0.000
y -0.204 5.841 0.000
z 0.000 0.000 -11.258
Polar
3z2-r2-22.516
x2-y2-0.282
xy-0.204
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.126 0.050 0.000
y 0.050 7.693 0.000
z 0.000 0.000 8.650


<r2> (average value of r2) Å2
<r2> 155.919
(<r2>)1/2 12.487