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All results from a given calculation for C2H3 (vinyl)

using model chemistry: BLYP/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/cc-pVTZ
 hartrees
Energy at 0K-77.895747
Energy at 298.15K-77.897206
HF Energy-77.895747
Nuclear repulsion energy28.363716
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/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 3154 1.04      
2 A' 3049 3040 5.02      
3 A' 2949 2940 8.73      
4 A' 1604 1599 1.38      
5 A' 1361 1357 7.93      
6 A' 1018 1015 9.40      
7 A' 687 685 25.15      
8 A" 888 886 68.63      
9 A" 777 775 15.18      

Unscaled Zero Point Vibrational Energy (zpe) 7748.0 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 7724.7 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/cc-pVTZ
ABC
7.89798 1.08107 0.95091

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/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 -0.663 1.539 0.000
H4 -0.884 -1.170 0.000
H5 0.969 -1.174 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30801.08402.10862.1076
C21.30802.24171.09941.0926
H31.08402.24172.71833.1667
H42.10861.09942.71831.8529
H52.10761.09263.16671.8529

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 122.059 C1 C2 H5 122.537
C2 C1 H3 138.982 H4 C2 H5 115.404
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 C -0.204      
3 H 0.128      
4 H 0.105      
5 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.592 -0.325 0.000 0.676
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.552 -1.163 0.000
y -1.163 -11.507 0.000
z 0.000 0.000 -14.761
Traceless
 xyz
x 0.582 -1.163 0.000
y -1.163 2.149 0.000
z 0.000 0.000 -2.731
Polar
3z2-r2-5.463
x2-y2-1.045
xy-1.163
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.114 -0.141 -0.001
y -0.141 5.058 -0.000
z -0.001 -0.000 2.246


<r2> (average value of r2) Å2
<r2> 20.574
(<r2>)1/2 4.536