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All results from a given calculation for C2H3 (vinyl)

using model chemistry: TPSSh/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 TPSSh/6-311G*
 hartrees
Energy at 0K-77.925084
Energy at 298.15K-77.926588
HF Energy-77.925084
Nuclear repulsion energy28.391317
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/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' 3230 3111 3.13      
2 A' 3150 3034 9.44      
3 A' 3046 2934 10.51      
4 A' 1644 1583 1.94      
5 A' 1411 1359 6.83      
6 A' 1075 1036 9.82      
7 A' 729 702 23.41      
8 A" 918 884 91.79      
9 A" 816 786 6.85      

Unscaled Zero Point Vibrational Energy (zpe) 8009.7 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 7715.0 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/6-311G*
ABC
7.81345 1.08537 0.95299

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.723 0.000
C2 0.050 -0.587 0.000
H3 -0.685 1.518 0.000
H4 -0.879 -1.166 0.000
H5 0.970 -1.167 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30971.08242.10452.1021
C21.30972.22921.09441.0883
H31.08242.22922.69043.1541
H42.10451.09442.69041.8498
H52.10211.08833.15411.8498

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.920 C1 C2 H5 122.203
C2 C1 H3 137.262 H4 C2 H5 115.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.220      
2 C -0.442      
3 H 0.223      
4 H 0.215      
5 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.634 -0.287 0.000 0.696
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 2.633 -0.180 0.000
y -0.180 4.701 0.000
z 0.000 0.000 1.714


<r2> (average value of r2) Å2
<r2> 20.350
(<r2>)1/2 4.511