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All results from a given calculation for C2H3 (vinyl)

using model chemistry: ROHF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at ROHF/6-311G*
 hartrees
Energy at 0K-77.397355
Energy at 298.15K-77.398981
HF Energy-77.397355
Nuclear repulsion energy28.644870
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 ROHF/6-311G*
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' 3392 2902 3.22      
2 A' 3352 2868 12.03      
3 A' 3266 2795 8.99      
4 A' 1786 1528 2.16      
5 A' 1516 1297 6.76      
6 A' 1214 1039 8.93      
7 A' 836 716 13.79      
8 A" 1048 896 82.27      
9 A" 961 822 23.47      

Unscaled Zero Point Vibrational Energy (zpe) 8685.3 cm-1
Scaled (by 0.8556) Zero Point Vibrational Energy (zpe) 7431.1 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 ROHF/6-311G*
ABC
7.76352 1.10997 0.97113

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.051 0.719 0.000
C2 0.051 -0.582 0.000
H3 -0.712 1.473 0.000
H4 -0.870 -1.146 0.000
H5 0.967 -1.148 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30171.07262.08022.0802
C21.30172.19231.07971.0767
H31.07262.19232.62313.1129
H42.08021.07972.62311.8371
H52.08021.07673.11291.8371

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.450 C1 C2 H5 121.706
C2 C1 H3 134.613 H4 C2 H5 116.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.238      
2 C -0.470      
3 H 0.244      
4 H 0.229      
5 H 0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.619 -0.241 0.000 0.664
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.198 -1.131 0.001
y -1.131 -11.341 -0.001
z 0.001 -0.001 -14.995
Traceless
 xyz
x 0.970 -1.131 0.001
y -1.131 2.256 -0.001
z 0.001 -0.001 -3.226
Polar
3z2-r2-6.451
x2-y2-0.857
xy-1.131
xz0.001
yz-0.001


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


<r2> (average value of r2) Å2
<r2> 20.194
(<r2>)1/2 4.494