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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-230.940289
Energy at 298.15K 
HF Energy-230.940289
Nuclear repulsion energy166.206126
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3034 2984 24.00      
2 A1 3005 2955 7.94      
3 A1 1833 1803 248.06      
4 A1 1474 1450 0.88      
5 A1 1419 1396 1.28      
6 A1 1207 1187 5.34      
7 A1 963 948 2.38      
8 A1 818 805 1.88      
9 A1 655 645 0.82      
10 A2 3055 3005 0.00      
11 A2 1194 1174 0.00      
12 A2 926 911 0.00      
13 A2 600 590 0.00      
14 B1 3088 3037 22.81      
15 B1 3049 2999 4.56      
16 B1 1193 1173 0.07      
17 B1 1065 1047 0.62      
18 B1 727 715 5.61      
19 B1 385 379 0.42      
20 B1 33i 32i 3.89      
21 B2 3001 2951 13.70      
22 B2 1403 1380 16.87      
23 B2 1238 1217 8.58      
24 B2 1157 1138 2.90      
25 B2 1056 1039 96.78      
26 B2 927 912 1.07      
27 B2 443 436 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 19441.1 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 19120.3 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 PBEPBEultrafine/6-31G*
ABC
0.35811 0.15767 0.11678

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.891
C2 0.000 0.000 0.683
C3 0.000 1.114 -0.388
C4 0.000 -1.114 -0.388
C5 0.000 0.000 -1.484
H6 0.893 0.000 -2.126
H7 -0.893 0.000 -2.126
H8 -0.893 1.761 -0.354
H9 -0.893 -1.761 -0.354
H10 0.893 1.761 -0.354
H11 0.893 -1.761 -0.354

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.20852.53672.53673.37514.11554.11552.99042.99042.99042.9904
C21.20851.54511.54512.16662.94752.94752.23072.23072.23072.2307
C32.53671.54512.22871.56322.24992.24991.10353.01151.10353.0115
C42.53671.54512.22871.56322.24992.24993.01151.10353.01151.1035
C53.37512.16661.56321.56321.10011.10012.27522.27522.27522.2752
H64.11552.94752.24992.24991.10011.78623.07143.07142.49862.4986
H74.11552.94752.24992.24991.10011.78622.49862.49863.07143.0714
H82.99042.23071.10353.01152.27523.07142.49863.52301.78643.9500
H92.99042.23073.01151.10352.27523.07142.49863.52303.95001.7864
H102.99042.23071.10353.01152.27522.49863.07141.78643.95003.5230
H112.99042.23073.01151.10352.27522.49863.07143.95001.78643.5230

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.846 O1 C2 C4 133.846
C2 C3 C5 88.378 C2 C3 H8 113.703
C2 C3 H10 113.703 C2 C4 C5 88.378
C2 C4 H9 113.703 C2 C4 H11 113.703
C3 C2 C4 92.307 C3 C5 C4 90.937
C3 C5 H6 114.172 C3 C5 H7 114.172
C4 C5 H6 114.172 C4 C5 H7 114.172
C5 C3 H8 116.059 C5 C3 H10 116.059
C5 C4 H9 116.059 C5 C4 H11 116.059
H6 C5 H7 108.550 H8 C3 H10 108.076
H9 C4 H11 108.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.385      
2 C 0.392      
3 C -0.382      
4 C -0.382      
5 C -0.326      
6 H 0.166      
7 H 0.166      
8 H 0.188      
9 H 0.188      
10 H 0.188      
11 H 0.188      


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 -2.662 2.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.009 0.000 0.000
y 0.000 -28.323 0.000
z 0.000 0.000 -35.625
Traceless
 xyz
x 3.965 0.000 0.000
y 0.000 3.494 0.000
z 0.000 0.000 -7.458
Polar
3z2-r2-14.917
x2-y20.314
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.105 0.000 0.000
y 0.000 6.589 -0.005
z 0.000 -0.005 7.091


<r2> (average value of r2) Å2
<r2> 107.235
(<r2>)1/2 10.355