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All results from a given calculation for C2H3 (vinyl)

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-12.996791
Energy at 298.15K-12.998273
HF Energy-12.996791
Nuclear repulsion energy15.816483
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 B3LYP/CEP-121G*
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' 3203 3105 2.64      
2 A' 3144 3048 10.43      
3 A' 3038 2945 9.65      
4 A' 1614 1565 1.74      
5 A' 1388 1346 5.76      
6 A' 1055 1022 8.44      
7 A' 720 697 22.27      
8 A" 907 879 99.94      
9 A" 789 765 10.37      

Unscaled Zero Point Vibrational Energy (zpe) 7928.6 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 7686.0 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 B3LYP/CEP-121G*
ABC
7.71787 1.07042 0.94004

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.068 0.753 0.000
C2 0.068 -0.568 0.000
H3 -0.673 1.549 0.000
H4 -0.866 -1.145 0.000
H5 0.994 -1.146 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.32081.08752.11552.1130
C21.32082.24291.09801.0920
H31.08752.24292.70153.1692
H42.11551.09802.70151.8601
H52.11301.09203.16921.8601

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.730 C1 C2 H5 121.982
C2 C1 H3 137.075 H4 C2 H5 116.287
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.160      
2 C -0.358      
3 H 0.172      
4 H 0.168      
5 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.663 -0.301 0.000 0.729
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.250 -1.254 0.000
y -1.254 -11.206 0.000
z 0.000 0.000 -14.906
Traceless
 xyz
x 0.806 -1.254 0.000
y -1.254 2.372 0.000
z 0.000 0.000 -3.178
Polar
3z2-r2-6.356
x2-y2-1.044
xy-1.254
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.787 -0.180 -0.000
y -0.180 5.006 -0.000
z -0.000 -0.000 1.892


<r2> (average value of r2) Å2
<r2> 18.797
(<r2>)1/2 4.336