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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-191.871872
Energy at 298.15K-191.875847
HF Energy-191.871872
Nuclear repulsion energy107.814165
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 BLYP/6-311G**
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 3028 3017 0.09      
2 A1 1849 1841 295.93      
3 A1 1392 1387 5.42      
4 A1 1011 1007 6.91      
5 A1 971 967 27.18      
6 A1 687 684 2.35      
7 A2 3102 3090 0.00      
8 A2 1127 1122 0.00      
9 A2 616 613 0.00      
10 B1 3115 3103 6.84      
11 B1 1068 1064 0.10      
12 B1 687 684 1.37      
13 B1 290 288 3.18      
14 B2 3028 3016 5.95      
15 B2 1379 1373 5.27      
16 B2 1015 1011 10.42      
17 B2 900 897 121.51      
18 B2 488 486 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 12875.3 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 12825.1 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 BLYP/6-311G**
ABC
0.66500 0.24425 0.19249

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.387
O2 0.000 0.000 1.595
C3 0.000 0.794 -0.866
C4 0.000 -0.794 -0.866
H5 0.918 1.301 -1.173
H6 -0.918 1.301 -1.173
H7 -0.918 -1.301 -1.173
H8 0.918 -1.301 -1.173

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.20741.48361.48362.22872.22872.22872.2287
O21.20742.58552.58553.19233.19233.19233.1923
C31.48362.58551.58821.09221.09222.30752.3075
C41.48362.58551.58822.30752.30751.09221.0922
H52.22873.19231.09222.30751.83553.18372.6013
H62.22873.19231.09222.30751.83552.60133.1837
H72.22873.19232.30751.09223.18372.60131.8355
H82.22873.19232.30751.09222.60133.18371.8355

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.638 C1 C3 H5 119.038
C1 C3 H6 119.038 C1 C4 C3 57.638
C1 C4 H7 119.038 C1 C4 H8 119.038
O2 C1 C3 147.638 O2 C1 C4 147.638
C3 C1 C4 64.723 C3 C4 H7 117.633
C3 C4 H8 117.633 C4 C3 H5 117.633
C4 C3 H6 117.633 H5 C3 H6 114.339
H7 C4 H8 114.339
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.178      
2 O -0.222      
3 C -0.258      
4 C -0.258      
5 H 0.140      
6 H 0.140      
7 H 0.140      
8 H 0.140      


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 -2.644 2.644
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.667 0.000 0.000
y 0.000 -23.200 0.000
z 0.000 0.000 -27.995
Traceless
 xyz
x 3.931 0.000 0.000
y 0.000 1.631 0.000
z 0.000 0.000 -5.562
Polar
3z2-r2-11.124
x2-y21.533
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.034 0.000 0.000
y 0.000 5.337 0.000
z 0.000 0.000 5.941


<r2> (average value of r2) Å2
<r2> 68.612
(<r2>)1/2 8.283