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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-231.215378
Energy at 298.15K-231.222182
HF Energy-231.215378
Nuclear repulsion energy167.881442
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 wB97X-D/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' 3159 3021 30.19      
2 A' 3134 2998 2.46      
3 A' 3098 2963 21.92      
4 A' 3081 2947 10.70      
5 A' 1923 1839 327.15      
6 A' 1500 1435 1.96      
7 A' 1458 1395 1.41      
8 A' 1256 1201 8.20      
9 A' 1230 1176 0.28      
10 A' 1105 1057 0.39      
11 A' 990 947 2.35      
12 A' 860 822 1.23      
13 A' 746 713 4.63      
14 A' 685 655 2.53      
15 A' 420 402 0.91      
16 A' 60 58 3.95      
17 A" 3140 3004 3.32      
18 A" 3077 2943 15.19      
19 A" 1446 1383 24.15      
20 A" 1287 1231 6.93      
21 A" 1239 1185 1.56      
22 A" 1201 1149 4.02      
23 A" 1102 1054 90.91      
24 A" 966 924 0.28      
25 A" 945 904 0.12      
26 A" 653 625 0.01      
27 A" 469 449 3.90      

Unscaled Zero Point Vibrational Energy (zpe) 20113.5 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 19238.6 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 wB97X-D/6-311G**
ABC
0.36195 0.16137 0.11971

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.092 1.867 0.000
C2 -0.034 0.677 0.000
C3 0.035 -0.381 1.107
C4 0.035 -0.381 -1.107
C5 0.035 -1.473 0.000
H6 0.921 -2.107 0.000
H7 -0.851 -2.108 0.000
H8 -0.827 -0.373 1.778
H9 -0.827 -0.373 -1.778
H10 0.945 -0.314 1.710
H11 0.945 -0.314 -1.710

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.19122.50842.50843.34204.10094.04682.95202.95202.95832.9583
C21.19121.53251.53252.15092.94312.90272.21142.21142.20482.2048
C32.50841.53252.21391.55512.23382.23511.09203.01061.09302.9604
C42.50841.53252.21391.55512.23382.23513.01061.09202.96041.0930
C53.34202.15091.55511.55511.08911.09052.26112.26112.25692.2569
H64.10092.94312.23382.23381.08911.77153.03653.03652.47792.4779
H74.04682.90272.23512.23511.09051.77152.48452.48453.06073.0607
H82.95202.21141.09203.01062.26113.03652.48453.55521.77363.9117
H92.95202.21143.01061.09202.26113.03652.48453.55523.91171.7736
H102.95832.20481.09302.96042.25692.47793.06071.77363.91173.4190
H112.95832.20482.96041.09302.25692.47793.06073.91171.77363.4190

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.747 O1 C2 C4 133.747
C2 C3 C5 88.310 C2 C3 H8 113.772
C2 C3 H10 113.160 C2 C4 C5 88.310
C2 C4 H9 113.772 C2 C4 H11 113.160
C3 C2 C4 92.493 C3 C5 C4 90.769
C3 C5 H6 114.144 C3 C5 H7 114.163
C4 C5 H6 114.144 C4 C5 H7 114.163
C5 C3 H8 116.243 C5 C3 H10 115.816
C5 C4 H9 116.243 C5 C4 H11 115.816
H6 C5 H7 108.735 H8 C3 H10 108.525
H9 C4 H11 108.525
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.279      
2 C 0.199      
3 C -0.273      
4 C -0.273      
5 C -0.273      
6 H 0.134      
7 H 0.140      
8 H 0.154      
9 H 0.154      
10 H 0.158      
11 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.646 -2.784 0.000 2.858
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.432 1.364 0.000
y 1.364 -36.151 0.000
z 0.000 0.000 -28.736
Traceless
 xyz
x 4.011 1.364 0.000
y 1.364 -7.567 0.000
z 0.000 0.000 3.556
Polar
3z2-r27.111
x2-y27.719
xy1.364
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.352 -0.351 0.000
y -0.351 7.207 0.000
z 0.000 0.000 6.794


<r2> (average value of r2) Å2
<r2> 105.598
(<r2>)1/2 10.276