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All results from a given calculation for C2H3 (vinyl)

using model chemistry: TPSSh/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at TPSSh/TZVP
 hartrees
Energy at 0K-77.937922
Energy at 298.15K-77.939431
HF Energy-77.937922
Nuclear repulsion energy28.436402
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 TPSSh/TZVP
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' 3239 3121 0.88      
2 A' 3148 3034 4.97      
3 A' 3048 2937 6.20      
4 A' 1644 1584 2.19      
5 A' 1406 1355 7.15      
6 A' 1061 1023 8.45      
7 A' 720 694 22.64      
8 A" 928 895 87.71      
9 A" 830 800 12.23      

Unscaled Zero Point Vibrational Energy (zpe) 8011.5 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 7720.7 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 TPSSh/TZVP
ABC
7.88179 1.08771 0.95581

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.048 0.720 0.000
C2 0.048 -0.586 0.000
H3 -0.672 1.526 0.000
H4 -0.879 -1.165 0.000
H5 0.970 -1.164 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30671.08092.10142.0975
C21.30672.23211.09341.0876
H31.08092.23212.69943.1516
H42.10141.09342.69941.8493
H52.09751.08763.15161.8493

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.961 C1 C2 H5 122.069
C2 C1 H3 138.213 H4 C2 H5 115.970
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.121      
2 C -0.265      
3 H 0.127      
4 H 0.126      
5 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.649 -0.305 0.000 0.717
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.809 -0.128 0.000
y -0.128 5.029 0.000
z 0.000 0.000 2.220


<r2> (average value of r2) Å2
<r2> 20.409
(<r2>)1/2 4.518