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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-231.032910
Energy at 298.15K-231.039442
HF Energy-231.032910
Nuclear repulsion energy166.915309
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 PBEPBE/Def2TZVPP
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' 3074 3037 19.82      
2 A' 3039 3002 3.15      
3 A' 3021 2984 23.21      
4 A' 2993 2957 7.36      
5 A' 1804 1782 298.54      
6 A' 1444 1426 1.28      
7 A' 1386 1369 1.62      
8 A' 1186 1171 6.38      
9 A' 1180 1166 1.19      
10 A' 1052 1039 0.06      
11 A' 956 944 2.93      
12 A' 819 809 3.52      
13 A' 715 706 3.89      
14 A' 656 648 1.04      
15 A' 385 381 0.56      
16 A' 31 31 3.77      
17 A" 3045 3008 1.55      
18 A" 2989 2953 12.33      
19 A" 1368 1352 21.33      
20 A" 1223 1208 7.27      
21 A" 1185 1170 0.37      
22 A" 1135 1121 2.04      
23 A" 1045 1032 83.76      
24 A" 913 902 0.71      
25 A" 908 897 0.08      
26 A" 589 582 0.03      
27 A" 446 440 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 19290.9 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 19057.5 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 PBEPBE/Def2TZVPP
ABC
0.35988 0.15920 0.11803

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.064 1.880 0.000
C2 -0.021 0.680 0.000
C3 0.024 -0.385 1.111
C4 0.024 -0.385 -1.111
C5 0.024 -1.480 0.000
H6 0.912 -2.120 0.000
H7 -0.867 -2.119 0.000
H8 -0.848 -0.365 1.779
H9 -0.848 -0.365 -1.779
H10 0.932 -0.329 1.728
H11 0.932 -0.329 -1.728

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.20122.52432.52433.36194.11784.07872.97022.97022.97662.9766
C21.20121.53931.53932.16082.95132.92372.22282.22282.21632.2163
C32.52431.53932.22181.56032.24372.24371.09813.01831.09912.9810
C42.52431.53932.22181.56032.24372.24373.01831.09812.98101.0991
C53.36192.16081.56031.56031.09451.09592.27302.27302.26612.2661
H64.11782.95132.24372.24371.09451.77893.05593.05592.48872.4887
H74.07872.92372.24372.24371.09591.77892.49762.49763.06973.0697
H82.97022.22281.09813.01832.27303.05592.49763.55771.78033.9326
H92.97022.22283.01831.09812.27303.05592.49763.55773.93261.7803
H102.97662.21631.09912.98102.26612.48873.06971.78033.93263.4561
H112.97662.21632.98101.09912.26612.48873.06973.93261.78033.4561

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.805 O1 C2 C4 133.805
C2 C3 C5 88.388 C2 C3 H8 113.821
C2 C3 H10 113.228 C2 C4 C5 88.388
C2 C4 H9 113.821 C2 C4 H11 113.228
C3 C2 C4 92.388 C3 C5 C4 90.788
C3 C5 H6 114.230 C3 C5 H7 114.143
C4 C5 H6 114.230 C4 C5 H7 114.143
C5 C3 H8 116.441 C5 C3 H10 115.796
C5 C4 H9 116.441 C5 C4 H11 115.796
H6 C5 H7 108.615 H8 C3 H10 108.238
H9 C4 H11 108.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.222      
2 C 0.055      
3 C -0.065      
4 C -0.065      
5 C -0.152      
6 H 0.073      
7 H 0.075      
8 H 0.074      
9 H 0.074      
10 H 0.075      
11 H 0.075      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.441 -2.828 0.000 2.862
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.714 0.941 0.000
y 0.941 -36.643 0.000
z 0.000 0.000 -29.183
Traceless
 xyz
x 4.199 0.941 0.000
y 0.941 -7.695 0.000
z 0.000 0.000 3.496
Polar
3z2-r26.992
x2-y27.929
xy0.941
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.952 -0.291 0.000
y -0.291 8.345 0.000
z 0.000 0.000 7.858


<r2> (average value of r2) Å2
<r2> 106.940
(<r2>)1/2 10.341