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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-191.663480
Energy at 298.15K-191.667437
HF Energy-191.663480
Nuclear repulsion energy107.723099
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3042 3024 1.02      
2 A1 1894 1883 287.44      
3 A1 1347 1339 6.00      
4 A1 1043 1037 0.59      
5 A1 962 957 28.51      
6 A1 720 716 3.50      
7 A2 3129 3110 0.00      
8 A2 1114 1108 0.00      
9 A2 568 564 0.00      
10 B1 3142 3123 1.04      
11 B1 1046 1039 0.15      
12 B1 673 669 2.55      
13 B1 297 295 2.93      
14 B2 3042 3024 2.06      
15 B2 1327 1319 5.99      
16 B2 1013 1007 36.35      
17 B2 903 898 93.61      
18 B2 489 486 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 12874.0 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 12799.4 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 PBEPBE/cc-pVDZ
ABC
0.66917 0.24314 0.19243

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

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 1.598
C3 0.000 0.788 -0.868
C4 0.000 -0.788 -0.868
H5 0.927 1.302 -1.173
H6 -0.927 1.302 -1.173
H7 -0.927 -1.302 -1.173
H8 0.927 -1.302 -1.173

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.21051.48191.48192.23362.23362.23362.2336
O21.21052.58842.58843.19893.19893.19893.1989
C31.48192.58841.57591.10271.10272.30622.3062
C41.48192.58841.57592.30622.30621.10271.1027
H52.23363.19891.10272.30621.85303.19562.6035
H62.23363.19891.10272.30621.85302.60353.1956
H72.23363.19892.30621.10273.19562.60351.8530
H82.23363.19892.30621.10272.60353.19561.8530

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.878 C1 C3 H5 118.853
C1 C3 H6 118.853 C1 C4 C3 57.878
C1 C4 H7 118.853 C1 C4 H8 118.853
O2 C1 C3 147.878 O2 C1 C4 147.878
C3 C1 C4 64.243 C3 C4 H7 117.772
C3 C4 H8 117.772 C4 C3 H5 117.772
C4 C3 H6 117.772 H5 C3 H6 114.333
H7 C4 H8 114.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.049      
2 O -0.134      
3 C -0.091      
4 C -0.091      
5 H 0.067      
6 H 0.067      
7 H 0.067      
8 H 0.067      


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 -2.470 2.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.364 0.000 0.000
y 0.000 -22.881 0.000
z 0.000 0.000 -27.296
Traceless
 xyz
x 3.725 0.000 0.000
y 0.000 1.450 0.000
z 0.000 0.000 -5.174
Polar
3z2-r2-10.348
x2-y21.517
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.956 0.000 0.000
y 0.000 5.163 0.000
z 0.000 0.000 5.701


<r2> (average value of r2) Å2
<r2> 68.424
(<r2>)1/2 8.272