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All results from a given calculation for C2H3 (vinyl)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-77.892392
Energy at 298.15K-77.893896
HF Energy-77.892392
Nuclear repulsion energy28.095049
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 B3LYP/SDD
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' 3257 3131 0.99      
2 A' 3193 3070 13.51      
3 A' 3081 2962 6.35      
4 A' 1622 1559 4.18      
5 A' 1413 1358 11.14      
6 A' 1058 1017 8.14      
7 A' 713 686 30.06      
8 A" 957 920 115.41      
9 A" 836 804 29.53      

Unscaled Zero Point Vibrational Energy (zpe) 8065.0 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 7752.9 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 B3LYP/SDD
ABC
7.88791 1.05325 0.92918

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.047 0.732 0.000
C2 0.047 -0.598 0.000
H3 -0.665 1.552 0.000
H4 -0.878 -1.185 0.000
H5 0.975 -1.172 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.32971.08622.12872.1175
C21.32972.26491.09611.0908
H31.08622.26492.74583.1793
H42.12871.09612.74581.8531
H52.11751.09083.17931.8531

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 122.399 C1 C2 H5 121.743
C2 C1 H3 139.056 H4 C2 H5 115.858
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.202      
2 C -0.445      
3 H 0.218      
4 H 0.213      
5 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.772 -0.362 0.000 0.853
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.085 -1.364 0.000
y -1.364 -10.935 0.000
z 0.000 0.000 -14.859
Traceless
 xyz
x 0.812 -1.364 0.000
y -1.364 2.537 0.000
z 0.000 0.000 -3.348
Polar
3z2-r2-6.697
x2-y2-1.150
xy-1.364
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.185 -0.122 0.001
y -0.122 4.588 0.003
z 0.001 0.003 1.336


<r2> (average value of r2) Å2
<r2> 20.622
(<r2>)1/2 4.541