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All results from a given calculation for C2H3 (vinyl)

using model chemistry: B1B95/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 B1B95/TZVP
 hartrees
Energy at 0K-77.881550
Energy at 298.15K-77.883056
HF Energy-77.881550
Nuclear repulsion energy28.572232
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 B1B95/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' 3272 3131 0.78      
2 A' 3176 3039 3.11      
3 A' 3077 2944 3.57      
4 A' 1676 1603 2.46      
5 A' 1394 1334 9.01      
6 A' 1047 1002 8.17      
7 A' 711 680 24.36      
8 A" 929 889 84.30      
9 A" 838 802 18.80      

Unscaled Zero Point Vibrational Energy (zpe) 8059.2 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 7711.8 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 B1B95/TZVP
ABC
7.93863 1.09940 0.96567

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.048 0.716 0.000
C2 0.048 -0.583 0.000
H3 -0.667 1.522 0.000
H4 -0.878 -1.159 0.000
H5 0.967 -1.161 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.29861.07772.09072.0892
C21.29862.22301.09051.0851
H31.07772.22302.68873.1409
H42.09071.09052.68871.8445
H52.08921.08513.14091.8445

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.866 C1 C2 H5 122.177
C2 C1 H3 138.414 H4 C2 H5 115.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.121      
2 C -0.287      
3 H 0.134      
4 H 0.132      
5 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.665 -0.319 0.000 0.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.291 -1.230 0.000
y -1.230 -11.308 0.000
z 0.000 0.000 -14.788
Traceless
 xyz
x 0.757 -1.230 0.000
y -1.230 2.231 0.000
z 0.000 0.000 -2.989
Polar
3z2-r2-5.977
x2-y2-0.983
xy-1.230
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.798 -0.122 0.000
y -0.122 4.996 0.000
z 0.000 0.000 2.198


<r2> (average value of r2) Å2
<r2> 20.288
(<r2>)1/2 4.504