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All results from a given calculation for C2H3 (vinyl)

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-77.809222
Energy at 298.15K-77.810729
HF Energy-77.809222
Nuclear repulsion energy28.404434
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3286 3136 1.87      
2 A' 3200 3054 5.16      
3 A' 3100 2958 4.23      
4 A' 1685 1608 1.63      
5 A' 1400 1336 7.03      
6 A' 1063 1014 9.84      
7 A' 724 691 22.08      
8 A" 927 885 76.96      
9 A" 836 798 7.40      

Unscaled Zero Point Vibrational Energy (zpe) 8110.2 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 7739.6 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 HSEh1PBE/6-31G**
ABC
7.81528 1.08669 0.95403

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.722 0.000
C2 0.049 -0.587 0.000
H3 -0.682 1.519 0.000
H4 -0.880 -1.164 0.000
H5 0.972 -1.165 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30871.08222.10262.1007
C21.30872.22961.09401.0889
H31.08222.22962.69083.1533
H42.10261.09402.69081.8517
H52.10071.08893.15331.8517

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.859 C1 C2 H5 122.093
C2 C1 H3 137.461 H4 C2 H5 116.047
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.126      
2 C -0.312      
3 H 0.147      
4 H 0.143      
5 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.585 -0.250 0.000 0.636
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.926 -1.084 0.000
y -1.084 -10.941 0.000
z 0.000 0.000 -14.249
Traceless
 xyz
x 0.669 -1.084 0.000
y -1.084 2.146 0.000
z 0.000 0.000 -2.815
Polar
3z2-r2-5.631
x2-y2-0.985
xy-1.084
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.484 -0.252 0.000
y -0.252 4.443 0.000
z 0.000 0.000 1.328


<r2> (average value of r2) Å2
<r2> 20.155
(<r2>)1/2 4.489