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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: HF/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 HF/Def2TZVPP
 hartrees
Energy at 0K-229.888083
Energy at 298.15K-229.895075
HF Energy-229.888083
Nuclear repulsion energy168.990767
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 HF/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' 3268 2962 48.88      
2 A' 3241 2938 3.54      
3 A' 3216 2915 23.88      
4 A' 3198 2899 17.62      
5 A' 2054 1862 415.27      
6 A' 1622 1470 0.35      
7 A' 1570 1423 0.62      
8 A' 1371 1243 0.64      
9 A' 1327 1203 0.39      
10 A' 1209 1096 0.41      
11 A' 1027 930 1.35      
12 A' 914 829 1.62      
13 A' 789 715 2.35      
14 A' 729 661 3.46      
15 A' 446 404 3.92      
16 A' 53 48 4.58      
17 A" 3249 2945 3.63      
18 A" 3196 2897 24.94      
19 A" 1558 1413 18.08      
20 A" 1401 1270 8.28      
21 A" 1335 1210 1.67      
22 A" 1308 1185 1.19      
23 A" 1198 1085 74.97      
24 A" 1028 932 0.17      
25 A" 982 890 0.00      
26 A" 687 623 0.02      
27 A" 502 455 8.37      

Unscaled Zero Point Vibrational Energy (zpe) 21239.0 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 19251.1 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 HF/Def2TZVPP
ABC
0.36565 0.16372 0.12108

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.111 1.847 0.000
C2 -0.044 0.674 0.000
C3 0.043 -0.374 1.103
C4 0.043 -0.374 -1.103
C5 0.043 -1.467 0.000
H6 0.923 -2.092 0.000
H7 -0.832 -2.101 0.000
H8 -0.807 -0.374 1.770
H9 -0.807 -0.374 -1.770
H10 0.947 -0.296 1.693
H11 0.947 -0.296 -1.693

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.17472.48472.48473.31774.07274.01332.92412.92412.92882.9288
C21.17471.52401.52402.14302.93042.88502.19442.19442.18832.1883
C32.48471.52402.20511.55232.22272.22771.08152.99601.08252.9389
C42.48471.52402.20511.55232.22272.22772.99601.08152.93891.0825
C53.31772.14301.55231.55231.07891.08042.24772.24772.24822.2482
H64.07272.93042.22272.22271.07891.75413.01323.01322.46842.4684
H74.01332.88502.22772.22771.08041.75412.47332.47333.04783.0478
H82.92412.19441.08152.99602.24773.01322.47333.54021.75833.8829
H92.92412.19442.99601.08152.24773.01322.47333.54023.88291.7583
H102.92882.18831.08252.93892.24822.46843.04781.75833.88293.3855
H112.92882.18832.93891.08252.24822.46843.04783.88291.75833.3855

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.642 O1 C2 C4 133.642
C2 C3 C5 88.309 C2 C3 H8 113.668
C2 C3 H10 113.095 C2 C4 C5 88.309
C2 C4 H9 113.668 C2 C4 H11 113.095
C3 C2 C4 92.682 C3 C5 C4 90.509
C3 C5 H6 114.076 C3 C5 H7 114.400
C4 C5 H6 114.076 C4 C5 H7 114.400
C5 C3 H8 116.023 C5 C3 H10 115.991
C5 C4 H9 116.023 C5 C4 H11 115.991
H6 C5 H7 108.651 H8 C3 H10 108.690
H9 C4 H11 108.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.396      
2 C 0.240      
3 C -0.039      
4 C -0.039      
5 C -0.132      
6 H 0.060      
7 H 0.061      
8 H 0.061      
9 H 0.061      
10 H 0.061      
11 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.601 -3.226 0.000 3.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.613 1.298 0.000
y 1.298 -37.282 0.000
z 0.000 0.000 -28.946
Traceless
 xyz
x 4.501 1.298 0.000
y 1.298 -8.503 0.000
z 0.000 0.000 4.002
Polar
3z2-r28.004
x2-y28.669
xy1.298
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.468 -0.282 0.000
y -0.282 7.396 0.000
z 0.000 0.000 6.798


<r2> (average value of r2) Å2
<r2> 104.865
(<r2>)1/2 10.240