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

using model chemistry: HF/3-21G

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/3-21G
 hartrees
Energy at 0K-151.451532
Energy at 298.15K-151.454394
HF Energy-151.451532
Nuclear repulsion energy63.102847
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/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 A' 3435 3110 4.06      
2 A' 3333 3018 2.77      
3 A' 3297 2986 40.87      
4 A' 1626 1473 11.21      
5 A' 1552 1406 1.80      
6 A' 1293 1171 17.31      
7 A' 1207 1093 2.52      
8 A' 1047 948 0.11      
9 A' 530 480 10.92      
10 A" 1029 932 2.03      
11 A" 902 817 65.74      
12 A" 609 551 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 9929.6 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 8992.2 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/3-21G
ABC
2.21265 0.37921 0.32373

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.433 0.000
H2 0.161 1.497 0.000
C3 1.094 -0.414 0.000
O4 -1.221 -0.014 0.000
H5 2.091 -0.023 0.000
H6 0.951 -1.475 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.07611.38331.30022.14052.1321
H21.07612.12632.04742.45743.0756
C31.38332.12632.34911.07091.0713
O41.30022.04742.34913.31222.6178
H52.14052.45741.07093.31221.8461
H62.13213.07561.07132.61781.8461

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 120.903 C1 C3 H6 120.065
H2 C1 C3 119.148 H2 C1 O4 118.692
C3 C1 O4 122.159 H5 C3 H6 119.032
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.162      
2 H 0.216      
3 C -0.430      
4 O -0.425      
5 H 0.229      
6 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.478 0.375 0.000 2.507
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.374 -0.377 0.000
y -0.377 -16.201 0.000
z 0.000 0.000 -18.535
Traceless
 xyz
x -2.006 -0.377 0.000
y -0.377 2.753 0.000
z 0.000 0.000 -0.747
Polar
3z2-r2-1.495
x2-y2-3.173
xy-0.377
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.005 -0.206 0.000
y -0.206 3.008 0.000
z 0.000 0.000 1.145


<r2> (average value of r2) Å2
<r2> 42.246
(<r2>)1/2 6.500