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

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-150.978072
Energy at 298.15K 
HF Energy-150.978072
Nuclear repulsion energy61.457159
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/STO-3G
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' 3482 3181 0.10      
2 A' 3307 3022 8.43      
3 A' 3103 2835 29.82      
4 A' 1542 1409 1.65      
5 A' 1479 1352 0.83      
6 A' 1344 1228 6.27      
7 A' 1119 1023 3.30      
8 A' 997 911 0.52      
9 A' 476 435 3.91      
10 A" 920 840 0.88      
11 A" 641 585 21.47      
12 A" 436i 399i 51.94      

Unscaled Zero Point Vibrational Energy (zpe) 8986.6 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 8210.2 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 PBEPBE/STO-3G
ABC
2.15796 0.35505 0.30489

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.431 0.000
H2 0.289 1.525 0.000
C3 1.109 -0.486 0.000
O4 -1.254 0.063 0.000
H5 2.153 -0.126 0.000
H6 0.941 -1.578 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.13161.43851.30722.22392.2183
H21.13162.17132.12592.48983.1705
C31.43852.17132.42581.10481.1047
O41.30722.12592.42583.41262.7410
H52.22392.48981.10483.41261.8912
H62.21833.17051.10472.74101.8912

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 121.398 C1 C3 H6 120.878
H2 C1 C3 114.782 H2 C1 O4 121.152
C3 C1 O4 124.066 H5 C3 H6 117.725
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.016      
2 H 0.062      
3 C -0.130      
4 O -0.135      
5 H 0.091      
6 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.688 -0.049 0.000 1.689
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.826 -0.135 0.000
y -0.135 -15.237 0.000
z 0.000 0.000 -16.324
Traceless
 xyz
x -1.046 -0.135 0.000
y -0.135 1.338 0.000
z 0.000 0.000 -0.292
Polar
3z2-r2-0.584
x2-y2-1.589
xy-0.135
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.118 -0.287 0.000
y -0.287 2.038 0.000
z 0.000 0.000 0.732


<r2> (average value of r2) Å2
<r2> 43.032
(<r2>)1/2 6.560