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All results from a given calculation for C2H3 (vinyl)

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-77.758194
Energy at 298.15K-77.759743
HF Energy-77.704344
Nuclear repulsion energy28.278358
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 B2PLYP/6-31G
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' 3292 3292 2.44      
2 A' 3208 3208 10.18      
3 A' 3105 3105 5.60      
4 A' 1695 1695 2.33      
5 A' 1464 1464 6.22      
6 A' 1109 1109 8.91      
7 A' 761 761 22.95      
8 A" 975 975 85.65      
9 A" 863 863 18.08      

Unscaled Zero Point Vibrational Energy (zpe) 8235.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8235.8 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 B2PLYP/6-31G
ABC
7.88395 1.07120 0.94306

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.728 0.000
C2 0.049 -0.591 0.000
H3 -0.679 1.528 0.000
H4 -0.874 -1.177 0.000
H5 0.969 -1.170 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.31861.08152.11672.1091
C21.31862.24041.09331.0877
H31.08152.24042.71243.1614
H42.11671.09332.71241.8437
H52.10911.08773.16141.8437

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 122.427 C1 C2 H5 122.150
C2 C1 H3 137.744 H4 C2 H5 115.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 C -0.348      
3 H 0.150      
4 H 0.151      
5 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.616 -0.246 0.000 0.664
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.198 -1.089 0.000
y -1.089 -11.251 0.000
z 0.000 0.000 -14.403
Traceless
 xyz
x 0.628 -1.089 0.000
y -1.089 2.050 0.000
z 0.000 0.000 -2.678
Polar
3z2-r2-5.356
x2-y2-0.948
xy-1.089
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.358 -0.249 0.000
y -0.249 4.408 0.000
z 0.000 0.000 1.122


<r2> (average value of r2) Å2
<r2> 20.435
(<r2>)1/2 4.521