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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-231.195153
Energy at 298.15K-231.201848
Nuclear repulsion energy165.480960
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 B3LYP/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3104 2984 27.56      
2 A1 3076 2957 13.05      
3 A1 1772 1704 273.29      
4 A1 1517 1458 3.12      
5 A1 1469 1412 0.50      
6 A1 1264 1215 13.27      
7 A1 973 936 2.85      
8 A1 850 817 0.56      
9 A1 675 649 3.34      
10 A2 3141 3019 0.00      
11 A2 1221 1174 0.00      
12 A2 966 929 0.00      
13 A2 677 651 0.00      
14 B1 3174 3051 48.05      
15 B1 3135 3013 7.12      
16 B1 1223 1176 0.00      
17 B1 1119 1075 0.99      
18 B1 760 730 12.58      
19 B1 412 396 0.14      
20 B1 28 27 5.41      
21 B2 3072 2953 19.12      
22 B2 1458 1401 39.56      
23 B2 1298 1248 1.17      
24 B2 1225 1178 0.39      
25 B2 1103 1061 114.39      
26 B2 944 908 0.35      
27 B2 451 434 3.95      

Unscaled Zero Point Vibrational Energy (zpe) 20053.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 19275.6 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 B3LYP/LANL2DZ
ABC
0.35693 0.15562 0.11546

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.910
C2 0.000 0.000 0.676
C3 0.000 1.118 -0.390
C4 0.000 -1.118 -0.390
C5 0.000 0.000 -1.496
H6 0.889 0.000 -2.132
H7 -0.889 0.000 -2.132
H8 -0.889 1.759 -0.355
H9 -0.889 -1.759 -0.355
H10 0.889 1.759 -0.355
H11 0.889 -1.759 -0.355

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.23402.55722.55723.40574.13834.13833.00263.00263.00263.0026
C21.23401.54451.54452.17172.94512.94512.22422.22422.22422.2242
C32.55721.54452.23531.57222.25242.25241.09653.01081.09653.0108
C42.55721.54452.23531.57222.25242.25243.01081.09653.01081.0965
C53.40572.17171.57221.57221.09331.09332.27682.27682.27682.2768
H64.13832.94512.25242.25241.09331.77873.06773.06772.49962.4996
H74.13832.94512.25242.25241.09331.77872.49962.49963.06773.0677
H83.00262.22421.09653.01082.27683.06772.49963.51751.77793.9413
H93.00262.22423.01081.09652.27683.06772.49963.51753.94131.7779
H103.00262.22421.09653.01082.27682.49963.06771.77793.94133.5175
H113.00262.22423.01081.09652.27682.49963.06773.94131.77793.5175

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.645 O1 C2 C4 133.645
C2 C3 C5 88.337 C2 C3 H8 113.657
C2 C3 H10 113.657 C2 C4 C5 88.337
C2 C4 H9 113.657 C2 C4 H11 113.657
C3 C2 C4 92.710 C3 C5 C4 90.617
C3 C5 H6 114.145 C3 C5 H7 114.145
C4 C5 H6 114.145 C4 C5 H7 114.145
C5 C3 H8 115.967 C5 C3 H10 115.967
C5 C4 H9 115.967 C5 C4 H11 115.967
H6 C5 H7 108.871 H8 C3 H10 108.324
H9 C4 H11 108.324
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.200      
2 C 0.150      
3 C -0.483      
4 C -0.483      
5 C -0.380      
6 H 0.217      
7 H 0.217      
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
  0.000 0.000 -3.366 3.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.185 0.000 0.000
y 0.000 -28.410 0.000
z 0.000 0.000 -37.664
Traceless
 xyz
x 4.852 0.000 0.000
y 0.000 4.514 0.000
z 0.000 0.000 -9.366
Polar
3z2-r2-18.732
x2-y20.225
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.719 -0.004 0.000
y -0.004 7.209 0.000
z 0.000 0.000 6.237


<r2> (average value of r2) Å2
<r2> 108.498
(<r2>)1/2 10.416