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All results from a given calculation for C2H3 (vinyl)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-77.792078
Energy at 298.15K-77.793513
HF Energy-77.792078
Nuclear repulsion energy28.100197
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 PBEPBE/cc-pVDZ
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' 3177 3158 1.59      
2 A' 3087 3069 3.25      
3 A' 2978 2961 4.10      
4 A' 1625 1615 1.51      
5 A' 1314 1306 8.88      
6 A' 998 992 10.43      
7 A' 672 668 24.87      
8 A" 867 862 68.68      
9 A" 768 763 6.39      

Unscaled Zero Point Vibrational Energy (zpe) 7741.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 7696.7 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 PBEPBE/cc-pVDZ
ABC
7.63801 1.06519 0.93482

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.727 0.000
C2 0.049 -0.592 0.000
H3 -0.683 1.545 0.000
H4 -0.894 -1.179 0.000
H5 0.984 -1.180 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.31891.09822.12692.1245
C21.31892.25901.11121.1050
H31.09822.25902.73253.1954
H42.12691.11122.73251.8782
H52.12451.10503.19541.8782

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.916 C1 C2 H5 122.194
C2 C1 H3 138.147 H4 C2 H5 115.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 C -0.055      
3 H 0.053      
4 H 0.056      
5 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.570 -0.291 0.000 0.640
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.221 -1.112 0.000
y -1.112 -11.185 0.000
z 0.000 0.000 -14.419
Traceless
 xyz
x 0.581 -1.112 0.000
y -1.112 2.135 0.000
z 0.000 0.000 -2.716
Polar
3z2-r2-5.431
x2-y2-1.036
xy-1.112
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.750 -0.234 0.000
y -0.234 4.758 0.000
z 0.000 0.000 1.591


<r2> (average value of r2) Å2
<r2> 20.584
(<r2>)1/2 4.537