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All results from a given calculation for C2H3 (vinyl)

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-77.880844
Energy at 298.15K-77.882294
HF Energy-77.880844
Nuclear repulsion energy28.275417
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 BLYP/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' 3147 3139 2.97      
2 A' 3043 3036 9.94      
3 A' 2940 2933 12.49      
4 A' 1604 1600 1.57      
5 A' 1367 1363 7.84      
6 A' 1029 1027 10.19      
7 A' 699 698 27.29      
8 A" 874 871 84.90      
9 A" 760 758 10.52      

Unscaled Zero Point Vibrational Energy (zpe) 7731.8 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 7712.5 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 BLYP/6-311G*
ABC
7.79729 1.07598 0.94551

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.724 0.000
C2 0.049 -0.588 0.000
H3 -0.679 1.533 0.000
H4 -0.884 -1.177 0.000
H5 0.973 -1.177 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.31211.08832.11752.1142
C21.31212.24251.10311.0961
H31.08832.24252.71783.1744
H42.11751.10312.71781.8568
H52.11421.09613.17441.8568

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 122.270 C1 C2 H5 122.532
C2 C1 H3 138.023 H4 C2 H5 115.198
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.201      
2 C -0.419      
3 H 0.208      
4 H 0.201      
5 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.627 -0.309 0.000 0.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.379 -1.195 0.000
y -1.195 -11.363 0.000
z 0.000 0.000 -14.787
Traceless
 xyz
x 0.696 -1.195 0.000
y -1.195 2.220 0.000
z 0.000 0.000 -2.916
Polar
3z2-r2-5.832
x2-y2-1.016
xy-1.195
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.747 -0.181 0.002
y -0.181 4.826 -0.001
z 0.002 -0.001 1.736


<r2> (average value of r2) Å2
<r2> 20.581
(<r2>)1/2 4.537