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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: B3LYP/TZVP

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/TZVP
 hartrees
Energy at 0K-191.952998
Energy at 298.15K-191.957102
HF Energy-191.952998
Nuclear repulsion energy108.909010
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/TZVP
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 3113 3006 0.77      
2 A1 1929 1862 347.78      
3 A1 1438 1389 5.02      
4 A1 1052 1016 6.09      
5 A1 1015 980 26.13      
6 A1 718 693 3.81      
7 A2 3190 3080 0.00      
8 A2 1164 1124 0.00      
9 A2 649 627 0.00      
10 B1 3203 3092 2.35      
11 B1 1109 1070 0.23      
12 B1 710 685 1.05      
13 B1 307 296 5.04      
14 B2 3113 3005 2.85      
15 B2 1422 1372 6.68      
16 B2 1068 1031 9.88      
17 B2 957 924 118.05      
18 B2 507 489 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 13332.0 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 12870.7 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/TZVP
ABC
0.67787 0.24952 0.19668

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.382
O2 0.000 0.000 1.578
C3 0.000 0.786 -0.857
C4 0.000 -0.786 -0.857
H5 0.913 1.288 -1.158
H6 -0.913 1.288 -1.158
H7 -0.913 -1.288 -1.158
H8 0.913 -1.288 -1.158

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.19611.46651.46652.20532.20532.20532.2053
O21.19612.55802.55803.15873.15873.15873.1587
C31.46652.55801.57171.08471.08472.28592.2859
C41.46652.55801.57172.28592.28591.08471.0847
H52.20533.15871.08472.28591.82573.15742.5760
H62.20533.15871.08472.28591.82572.57603.1574
H72.20533.15872.28591.08473.15742.57601.8257
H82.20533.15872.28591.08472.57603.15741.8257

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.597 C1 C3 H5 118.875
C1 C3 H6 118.875 C1 C4 C3 57.597
C1 C4 H7 118.875 C1 C4 H8 118.875
O2 C1 C3 147.597 O2 C1 C4 147.597
C3 C1 C4 64.805 C3 C4 H7 117.579
C3 C4 H8 117.579 C4 C3 H5 117.579
C4 C3 H6 117.579 H5 C3 H6 114.622
H7 C4 H8 114.622
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.222      
2 O -0.261      
3 C -0.295      
4 C -0.295      
5 H 0.157      
6 H 0.157      
7 H 0.157      
8 H 0.157      


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 -2.994 2.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.605 0.000 0.000
y 0.000 -23.123 0.000
z 0.000 0.000 -28.625
Traceless
 xyz
x 4.269 0.000 0.000
y 0.000 1.992 0.000
z 0.000 0.000 -6.260
Polar
3z2-r2-12.520
x2-y21.518
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.153 0.000 0.000
y 0.000 5.493 0.000
z 0.000 0.000 6.236


<r2> (average value of r2) Å2
<r2> 67.608
(<r2>)1/2 8.222