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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-191.747389
Energy at 298.15K-191.751513
HF Energy-191.747389
Nuclear repulsion energy109.320989
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 HSEh1PBE/cc-pVTZ
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 3133 3011 1.18      
2 A1 1975 1898 341.97      
3 A1 1427 1372 5.15      
4 A1 1078 1036 1.50      
5 A1 1016 977 27.01      
6 A1 750 721 4.52      
7 A2 3213 3088 0.00      
8 A2 1167 1121 0.00      
9 A2 619 595 0.00      
10 B1 3226 3101 0.95      
11 B1 1104 1061 0.18      
12 B1 701 673 1.29      
13 B1 316 304 3.98      
14 B2 3133 3011 1.65      
15 B2 1409 1354 7.77      
16 B2 1073 1031 22.82      
17 B2 965 928 104.64      
18 B2 516 496 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 13410.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 12888.4 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 HSEh1PBE/cc-pVTZ
ABC
0.68600 0.25090 0.19820

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

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 1.573
C3 0.000 0.780 -0.854
C4 0.000 -0.780 -0.854
H5 0.912 1.282 -1.155
H6 -0.912 1.282 -1.155
H7 -0.912 -1.282 -1.155
H8 0.912 -1.282 -1.155

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.19101.46151.46152.19932.19932.19932.1993
O21.19102.54932.54933.14893.14893.14893.1489
C31.46152.54931.55941.08401.08402.27472.2747
C41.46152.54931.55942.27472.27471.08401.0840
H52.19933.14891.08402.27471.82473.14732.5644
H62.19933.14891.08402.27471.82472.56443.1473
H72.19933.14892.27471.08403.14732.56441.8247
H82.19933.14892.27471.08402.56443.14731.8247

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.757 C1 C3 H5 118.794
C1 C3 H6 118.794 C1 C4 C3 57.757
C1 C4 H7 118.794 C1 C4 H8 118.794
O2 C1 C3 147.757 O2 C1 C4 147.757
C3 C1 C4 64.486 C3 C4 H7 117.617
C3 C4 H8 117.617 C4 C3 H5 117.617
C4 C3 H6 117.617 H5 C3 H6 114.626
H7 C4 H8 114.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.224      
2 O -0.220      
3 C -0.240      
4 C -0.240      
5 H 0.119      
6 H 0.119      
7 H 0.119      
8 H 0.119      


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 -2.870 2.870
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.386 0.000 0.000
y 0.000 -22.860 0.000
z 0.000 0.000 -27.913
Traceless
 xyz
x 4.000 0.000 0.000
y 0.000 1.790 0.000
z 0.000 0.000 -5.790
Polar
3z2-r2-11.579
x2-y21.474
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.172 0.000 0.000
y 0.000 5.402 0.000
z 0.000 0.000 6.065


<r2> (average value of r2) Å2
<r2> 66.980
(<r2>)1/2 8.184