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All results from a given calculation for CH2CHO (Vinyloxy radical)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-28.310207
Energy at 298.15K-28.312993
HF Energy-28.310207
Nuclear repulsion energy34.132345
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 HF/CEP-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3463 3121 30.18      
2 A' 3354 3023 24.89      
3 A' 3336 3007 39.46      
4 A' 1603 1445 14.82      
5 A' 1512 1363 5.84      
6 A' 1289 1162 16.62      
7 A' 1256 1133 6.29      
8 A' 1037 935 0.17      
9 A' 517 466 12.36      
10 A" 958 863 7.12      
11 A" 838 755 86.84      
12 A" 560 505 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 9861.3 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 8889.0 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 HF/CEP-31G
ABC
2.12409 0.36909 0.31445

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.449 0.000
H2 0.158 1.520 0.000
C3 1.106 -0.449 0.000
O4 -1.231 0.009 0.000
H5 2.119 -0.076 0.000
H6 0.935 -1.515 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.08331.42461.30712.18322.1749
H21.08332.18582.05242.52873.1333
C31.42462.18582.38191.07971.0798
O41.30712.05242.38193.35152.6486
H52.18322.52871.07973.35151.8642
H62.17493.13331.07982.64861.8642

picture of Vinyloxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 120.710 C1 C3 H6 119.922
H2 C1 C3 120.676 H2 C1 O4 118.020
C3 C1 O4 121.304 H5 C3 H6 119.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.076      
2 H 0.174      
3 C -0.248      
4 O -0.187      
5 H 0.158      
6 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.990 0.536 0.000 3.037
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.159 -0.314 0.000
y -0.314 -15.992 0.000
z 0.000 0.000 -18.711
Traceless
 xyz
x -2.808 -0.314 0.000
y -0.314 3.443 0.000
z 0.000 0.000 -0.635
Polar
3z2-r2-1.270
x2-y2-4.167
xy-0.314
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.469 -0.329 0.000
y -0.329 2.987 0.000
z 0.000 0.000 1.706


<r2> (average value of r2) Å2
<r2> 37.026
(<r2>)1/2 6.085