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All results from a given calculation for C2H3 (vinyl)

using model chemistry: BLYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-77.897181
Energy at 298.15K-77.898639
HF Energy-77.897181
Nuclear repulsion energy28.360768
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/aug-cc-pVTZ
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' 3163 3153 0.42      
2 A' 3048 3037 3.58      
3 A' 2949 2939 7.29      
4 A' 1600 1595 1.83      
5 A' 1360 1355 8.04      
6 A' 1015 1011 8.06      
7 A' 684 681 23.39      
8 A" 890 887 69.92      
9 A" 777 774 16.58      

Unscaled Zero Point Vibrational Energy (zpe) 7742.5 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 7716.2 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/aug-cc-pVTZ
ABC
7.90981 1.08038 0.95055

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.048 0.721 0.000
C2 0.048 -0.587 0.000
H3 -0.661 1.541 0.000
H4 -0.884 -1.171 0.000
H5 0.969 -1.174 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30831.08382.10872.1075
C21.30832.24321.09921.0925
H31.08382.24322.72093.1671
H42.10871.09922.72091.8529
H52.10751.09253.16711.8529

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 122.057 C1 C2 H5 122.509
C2 C1 H3 139.168 H4 C2 H5 115.434
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.554      
2 C -0.457      
3 H 0.403      
4 H 0.287      
5 H 0.320      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.602 -0.352 0.000 0.698
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.740 -1.209 0.000
y -1.209 -11.696 0.000
z 0.000 0.000 -15.026
Traceless
 xyz
x 0.621 -1.209 0.000
y -1.209 2.187 0.000
z 0.000 0.000 -2.808
Polar
3z2-r2-5.616
x2-y2-1.044
xy-1.209
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.745 -0.029 0.000
y -0.029 5.493 0.000
z 0.000 0.000 3.364


<r2> (average value of r2) Å2
<r2> 20.713
(<r2>)1/2 4.551