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All results from a given calculation for C2H3 (vinyl)

using model chemistry: HF/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 HF/6-311G*
 hartrees
Energy at 0K-77.405782
Energy at 298.15K-77.407361
HF Energy-77.405782
Nuclear repulsion energy28.341028
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 HF/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' 3389 3065 3.21      
2 A' 3339 3020 13.42      
3 A' 3245 2935 11.18      
4 A' 1622 1467 2.93      
5 A' 1399 1265 4.06      
6 A' 1188 1074 8.23      
7 A' 824 745 13.82      
8 A" 955 864 80.59      
9 A" 884 800 4.61      

Unscaled Zero Point Vibrational Energy (zpe) 8422.0 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 7616.8 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 HF/6-311G*
ABC
7.74472 1.07821 0.94645

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.051 0.732 0.000
C2 0.051 -0.593 0.000
H3 -0.714 1.483 0.000
H4 -0.869 -1.159 0.000
H5 0.969 -1.157 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.32491.07232.10332.0999
C21.32492.21231.08041.0769
H31.07232.21232.64653.1305
H42.10331.08042.64651.8373
H52.09991.07693.13051.8373

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.624 C1 C2 H5 121.586
C2 C1 H3 134.433 H4 C2 H5 116.790
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.235      
2 C -0.464      
3 H 0.239      
4 H 0.227      
5 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.582 -0.262 0.000 0.638
CHELPG        
AIM        
ESP -0.582 -0.277 0.000 0.644


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.200 -1.082 0.000
y -1.082 -11.504 0.000
z 0.000 0.000 -14.893
Traceless
 xyz
x 0.999 -1.082 0.000
y -1.082 2.043 0.000
z 0.000 0.000 -3.042
Polar
3z2-r2-6.083
x2-y2-0.696
xy-1.082
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.480 -0.223 0.000
y -0.223 4.296 0.000
z 0.000 0.000 1.644


<r2> (average value of r2) Å2
<r2> 20.475
(<r2>)1/2 4.525