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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-190.703951
Energy at 298.15K-190.708100
HF Energy-190.703951
Nuclear repulsion energy 
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 B97D3/3-21G
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 3090 3037 0.32      
2 A1 1835 1804 184.31      
3 A1 1440 1415 10.13      
4 A1 1029 1012 55.92      
5 A1 970 953 0.83      
6 A1 689 677 2.26      
7 A2 3169 3115 0.00      
8 A2 1153 1134 0.00      
9 A2 661 650 0.00      
10 B1 3185 3131 3.45      
11 B1 1106 1087 0.38      
12 B1 708 696 2.98      
13 B1 387 380 1.75      
14 B2 3087 3035 2.28      
15 B2 1429 1405 8.72      
16 B2 1057 1039 0.18      
17 B2 935 919 154.98      
18 B2 500 491 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 13214.8 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 12990.1 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 B97D3/3-21G
ABC
0.66447 0.23983 0.18981

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

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 1.611
C3 0.000 0.796 -0.874
C4 0.000 -0.796 -0.874
H5 0.921 1.292 -1.180
H6 -0.921 1.292 -1.180
H7 -0.921 -1.292 -1.180
H8 0.921 -1.292 -1.180

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.22451.49101.49102.23042.23042.23042.2304
O21.22452.60952.60953.21113.21113.21113.2111
C31.49102.60951.59241.09041.09042.30332.3033
C41.49102.60951.59242.30332.30331.09041.0904
H52.23043.21111.09042.30331.84273.17442.5848
H62.23043.21111.09042.30331.84272.58483.1744
H72.23043.21112.30331.09043.17442.58481.8427
H82.23043.21112.30331.09042.58483.17441.8427

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.387 C1 C3 H5 117.582
C1 C3 H6 117.582 C1 C4 C3 57.387
C1 C4 H7 117.582 C1 C4 H8 117.582
O2 C1 C3 147.387 O2 C1 C4 147.387
C3 C1 C4 65.226 C3 C4 H7 85.644
C3 C4 H8 85.644 C4 C3 H5 85.644
C4 C3 H6 85.644 H5 C3 H6 105.817
H7 C4 H8 105.817
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.318      
2 O -0.422      
3 C -0.434      
4 C -0.434      
5 H 0.243      
6 H 0.243      
7 H 0.243      
8 H 0.243      


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 -2.545 2.545
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.322 0.000 0.000
y 0.000 -22.683 0.000
z 0.000 0.000 -27.667
Traceless
 xyz
x 3.853 0.000 0.000
y 0.000 1.811 0.000
z 0.000 0.000 -5.664
Polar
3z2-r2-11.328
x2-y21.361
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.414 0.000 0.000
y 0.000 4.483 0.000
z 0.000 0.000 4.997


<r2> (average value of r2) Å2
<r2> 69.006
(<r2>)1/2 8.307