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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-191.777078
Energy at 298.15K-191.781066
HF Energy-191.777078
Nuclear repulsion energy108.098411
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 B97D3/6-31+G**
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 3067 3014 0.30      
2 A1 1878 1845 345.95      
3 A1 1407 1383 4.68      
4 A1 1035 1017 4.51      
5 A1 988 971 29.75      
6 A1 715 703 3.44      
7 A2 3148 3094 0.00      
8 A2 1140 1121 0.00      
9 A2 618 607 0.00      
10 B1 3161 3106 4.65      
11 B1 1078 1060 0.17      
12 B1 693 681 1.74      
13 B1 278 273 4.70      
14 B2 3068 3015 6.91      
15 B2 1391 1367 5.38      
16 B2 1040 1022 18.09      
17 B2 935 919 101.78      
18 B2 488 479 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 13062.1 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 12837.4 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 B97D3/6-31+G**
ABC
0.67287 0.24498 0.19360

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

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 1.594
C3 0.000 0.788 -0.864
C4 0.000 -0.788 -0.864
H5 0.918 1.295 -1.169
H6 -0.918 1.295 -1.169
H7 -0.918 -1.295 -1.169
H8 0.918 -1.295 -1.169

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.21181.47401.47402.21912.21912.21912.2191
O21.21182.58092.58093.18613.18613.18613.1861
C31.47402.58091.57551.09221.09222.29662.2966
C41.47402.58091.57552.29662.29661.09221.0922
H52.21913.18611.09222.29661.83563.17522.5908
H62.21913.18611.09222.29661.83562.59083.1752
H72.21913.18612.29661.09223.17522.59081.8356
H82.21913.18612.29661.09222.59083.17521.8356

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.338 C1 C3 H5 117.558
C1 C3 H6 117.558 C1 C4 C3 57.338
C1 C4 H7 117.558 C1 C4 H8 117.558
O2 C1 C3 147.338 O2 C1 C4 147.338
C3 C1 C4 65.325 C3 C4 H7 85.648
C3 C4 H8 85.648 C4 C3 H5 85.648
C4 C3 H6 85.648 H5 C3 H6 105.833
H7 C4 H8 105.833
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.120      
2 O -0.415      
3 C -0.219      
4 C -0.219      
5 H 0.183      
6 H 0.183      
7 H 0.183      
8 H 0.183      


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 -3.033 3.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.570 0.000 0.000
y 0.000 -23.098 0.000
z 0.000 0.000 -28.595
Traceless
 xyz
x 4.277 0.000 0.000
y 0.000 1.985 0.000
z 0.000 0.000 -6.261
Polar
3z2-r2-12.523
x2-y21.528
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.221 0.000 0.000
y 0.000 5.772 0.000
z 0.000 0.000 6.726


<r2> (average value of r2) Å2
<r2> 68.396
(<r2>)1/2 8.270