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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-229.982536
Energy at 298.15K-229.989152
Nuclear repulsion energy168.016608
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 LSDA/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 A' 3100 3042 10.05      
2 A' 3068 3011 0.85      
3 A' 3038 2981 16.90      
4 A' 3011 2955 6.11      
5 A' 1888 1853 260.96      
6 A' 1440 1414 2.18      
7 A' 1379 1353 2.98      
8 A' 1191 1169 11.04      
9 A' 1178 1156 2.57      
10 A' 1053 1033 0.84      
11 A' 991 973 3.13      
12 A' 845 829 0.62      
13 A' 721 707 5.83      
14 A' 666 654 4.05      
15 A' 383 375 0.10      
16 A' 65 64 3.95      
17 A" 3073 3015 1.82      
18 A" 3006 2950 2.77      
19 A" 1359 1334 25.74      
20 A" 1231 1208 15.11      
21 A" 1181 1159 1.79      
22 A" 1135 1114 7.19      
23 A" 1079 1059 88.12      
24 A" 947 930 0.56      
25 A" 909 892 0.05      
26 A" 582 572 0.02      
27 A" 451 443 1.96      

Unscaled Zero Point Vibrational Energy (zpe) 19485.7 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 19121.3 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 LSDA/6-31G**
ABC
0.36388 0.16164 0.12036

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.396 1.827 0.000
C2 -0.089 0.662 0.000
C3 0.139 -0.368 1.096
C4 0.139 -0.368 -1.096
C5 0.139 -1.452 0.000
H6 -0.783 -2.053 0.000
H7 1.000 -2.136 0.000
H8 1.118 -0.223 1.588
H9 1.118 -0.223 -1.588
H10 -0.631 -0.412 1.884
H11 -0.631 -0.412 -1.884

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.20422.51112.51113.32193.89904.20173.00253.00252.93492.9349
C21.20421.52151.52152.12642.80263.00312.18202.18202.23502.2350
C32.51111.52152.19151.54102.21102.25111.10472.85981.10273.0776
C42.51111.52152.19151.54102.21102.25112.85981.10473.07761.1027
C53.32192.12641.54101.54101.10061.09982.23312.23312.28542.2854
H63.89902.80262.21102.21101.10061.78463.07893.07892.50302.5030
H74.20173.00312.25112.25111.09981.78462.48862.48863.03033.0303
H83.00252.18201.10472.85982.23313.07892.48863.17501.78373.8913
H93.00252.18202.85981.10472.23313.07892.48863.17503.89131.7837
H102.93492.23501.10273.07762.28542.50303.03031.78373.89133.7672
H112.93492.23503.07761.10272.28542.50303.03033.89131.78373.7672

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.888 O1 C2 C4 133.888
C2 C3 C5 87.949 C2 C3 H8 111.378
C2 C3 H10 115.878 C2 C4 C5 87.949
C2 C4 H9 111.378 C2 C4 H11 115.878
C3 C2 C4 92.136 C3 C5 C4 90.645
C3 C5 H6 112.587 C3 C5 H7 115.954
C4 C5 H6 112.587 C4 C5 H7 115.954
C5 C3 H8 114.127 C5 C3 H10 118.715
C5 C4 H9 114.127 C5 C4 H11 118.715
H6 C5 H7 108.395 H8 C3 H10 107.809
H9 C4 H11 107.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.364      
2 C 0.339      
3 C -0.328      
4 C -0.328      
5 C -0.293      
6 H 0.152      
7 H 0.142      
8 H 0.172      
9 H 0.172      
10 H 0.168      
11 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.747 -2.686 0.000 2.788
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.231 1.477 0.000
y 1.477 -35.321 0.000
z 0.000 0.000 -28.117
Traceless
 xyz
x 3.488 1.477 0.000
y 1.477 -7.146 0.000
z 0.000 0.000 3.659
Polar
3z2-r27.318
x2-y27.089
xy1.477
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.284 -0.413 0.000
y -0.413 6.955 0.000
z 0.000 0.000 6.577


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000