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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-191.884603
Energy at 298.15K-191.888743
HF Energy-191.884603
Nuclear repulsion energy109.162264
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 mPW1PW91/6-311G**
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 3138 3002 0.89      
2 A1 1985 1899 337.75      
3 A1 1436 1373 5.84      
4 A1 1080 1034 0.97      
5 A1 1022 978 32.25      
6 A1 749 717 6.05      
7 A2 3220 3080 0.00      
8 A2 1169 1119 0.00      
9 A2 626 599 0.00      
10 B1 3232 3092 2.29      
11 B1 1110 1062 0.30      
12 B1 708 677 1.56      
13 B1 325 311 4.12      
14 B2 3137 3001 2.33      
15 B2 1414 1353 8.60      
16 B2 1073 1027 22.14      
17 B2 965 923 118.09      
18 B2 518 495 1.51      

Unscaled Zero Point Vibrational Energy (zpe) 13453.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 12870.8 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 mPW1PW91/6-311G**
ABC
0.68413 0.25006 0.19754

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.384
O2 0.000 0.000 1.575
C3 0.000 0.781 -0.856
C4 0.000 -0.781 -0.856
H5 0.913 1.284 -1.157
H6 -0.913 1.284 -1.157
H7 -0.913 -1.284 -1.157
H8 0.913 -1.284 -1.157

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.19101.46551.46552.20382.20382.20382.2038
O21.19102.55342.55343.15383.15383.15383.1538
C31.46552.55341.56201.08471.08472.27752.2775
C41.46552.55341.56202.27752.27751.08471.0847
H52.20383.15381.08472.27751.82563.15042.5675
H62.20383.15381.08472.27751.82562.56753.1504
H72.20383.15382.27751.08473.15042.56751.8256
H82.20383.15382.27751.08472.56753.15041.8256

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.797 C1 C3 H5 118.813
C1 C3 H6 118.813 C1 C4 C3 57.797
C1 C4 H7 118.813 C1 C4 H8 118.813
O2 C1 C3 147.797 O2 C1 C4 147.797
C3 C1 C4 64.406 C3 C4 H7 117.613
C3 C4 H8 117.613 C4 C3 H5 117.613
C4 C3 H6 117.613 H5 C3 H6 114.592
H7 C4 H8 114.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.231      
2 O -0.271      
3 C -0.308      
4 C -0.308      
5 H 0.164      
6 H 0.164      
7 H 0.164      
8 H 0.164      


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 -2.797 2.797
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.227 0.000 0.000
y 0.000 -22.729 0.000
z 0.000 0.000 -27.835
Traceless
 xyz
x 4.055 0.000 0.000
y 0.000 1.802 0.000
z 0.000 0.000 -5.857
Polar
3z2-r2-11.714
x2-y21.502
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.855 0.000 0.000
y 0.000 5.037 0.000
z 0.000 0.000 5.670


<r2> (average value of r2) Å2
<r2> 67.071
(<r2>)1/2 8.190