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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-229.846040
Energy at 298.15K-229.852902
HF Energy-229.846040
Nuclear repulsion energy165.831188
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 M06-2X/3-21G*
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' 3246 3075 9.05      
2 A' 3202 3033 1.28      
3 A' 3188 3020 13.97      
4 A' 3152 2986 4.84      
5 A' 1882 1783 194.13      
6 A' 1553 1471 3.24      
7 A' 1500 1420 0.08      
8 A' 1285 1218 17.42      
9 A' 1265 1198 0.11      
10 A' 1118 1059 0.98      
11 A' 967 916 1.52      
12 A' 838 793 0.83      
13 A' 769 728 7.19      
14 A' 668 633 1.43      
15 A' 446 422 0.16      
16 A' 86 82 4.13      
17 A" 3206 3037 0.00      
18 A" 3148 2982 3.97      
19 A" 1489 1411 28.07      
20 A" 1323 1253 0.07      
21 A" 1273 1206 0.00      
22 A" 1248 1182 1.07      
23 A" 1061 1005 118.10      
24 A" 1029 974 0.00      
25 A" 926 877 0.54      
26 A" 670 635 0.00      
27 A" 457 433 2.62      

Unscaled Zero Point Vibrational Energy (zpe) 20497.3 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 19415.0 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 M06-2X/3-21G*
ABC
0.35671 0.15631 0.11590

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.003 1.901 0.000
C2 -0.001 0.688 0.000
C3 0.001 -0.390 1.120
C4 0.001 -0.390 -1.120
C5 0.001 -1.494 0.000
H6 0.894 -2.118 0.000
H7 -0.892 -2.117 0.000
H8 -0.892 -0.364 1.749
H9 -0.892 -0.364 -1.749
H10 0.896 -0.363 1.747
H11 0.896 -0.363 -1.747

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.21342.55012.55013.39474.11824.11542.99682.99682.99752.9975
C21.21341.55421.55422.18132.94512.94312.22732.22732.22712.2271
C32.55011.55422.24001.57252.24472.24411.09303.00531.09303.0039
C42.55011.55422.24001.57252.24472.24413.00531.09303.00391.0930
C53.39472.18131.57251.57251.08951.08962.26592.26592.26572.2657
H64.11822.94512.24472.24471.08951.78623.05403.05402.47722.4772
H74.11542.94312.24412.24411.08961.78622.47662.47663.05453.0545
H82.99682.22731.09303.00532.26593.05402.47663.49871.78783.9274
H92.99682.22733.00531.09302.26593.05402.47663.49873.92741.7878
H102.99752.22711.09303.00392.26572.47723.05451.78783.92743.4949
H112.99752.22713.00391.09302.26572.47723.05453.92741.78783.4949

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.894 O1 C2 C4 133.894
C2 C3 C5 88.475 C2 C3 H8 113.422
C2 C3 H10 113.404 C2 C4 C5 88.475
C2 C4 H9 113.422 C2 C4 H11 113.404
C3 C2 C4 92.212 C3 C5 C4 90.838
C3 C5 H6 113.730 C3 C5 H7 113.680
C4 C5 H6 113.730 C4 C5 H7 113.680
C5 C3 H8 115.263 C5 C3 H10 115.246
C5 C4 H9 115.263 C5 C4 H11 115.246
H6 C5 H7 110.114 H8 C3 H10 109.739
H9 C4 H11 109.739
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.439      
2 C 0.390      
3 C -0.456      
4 C -0.456      
5 C -0.436      
6 H 0.218      
7 H 0.218      
8 H 0.240      
9 H 0.240      
10 H 0.240      
11 H 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.006 -2.698 0.000 2.698
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.511 0.013 0.000
y 0.013 -36.533 0.000
z 0.000 0.000 -28.744
Traceless
 xyz
x 4.127 0.013 0.000
y 0.013 -7.905 0.000
z 0.000 0.000 3.778
Polar
3z2-r27.556
x2-y28.021
xy0.013
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.574 -0.003 0.000
y -0.003 6.377 0.000
z 0.000 0.000 5.817


<r2> (average value of r2) Å2
<r2> 108.056
(<r2>)1/2 10.395