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All results from a given calculation for C2H3 (vinyl)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-77.832403
Energy at 298.15K-77.833914
HF Energy-77.741464
Nuclear repulsion energy28.446859
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 B2PLYP=FULL/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' 3264 3264 1.57      
2 A' 3184 3184 6.53      
3 A' 3081 3081 6.26      
4 A' 1678 1678 2.16      
5 A' 1418 1418 8.06      
6 A' 1079 1079 9.60      
7 A' 736 736 24.02      
8 A" 927 927 90.97      
9 A" 819 819 11.94      

Unscaled Zero Point Vibrational Energy (zpe) 8093.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8093.4 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 B2PLYP=FULL/6-311G*
ABC
7.83347 1.08990 0.95678

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.721 0.000
C2 0.050 -0.586 0.000
H3 -0.684 1.514 0.000
H4 -0.879 -1.161 0.000
H5 0.969 -1.165 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30741.08002.09902.0983
C21.30742.22431.09211.0863
H31.08002.22432.68213.1477
H42.09901.09212.68211.8475
H52.09831.08633.14771.8475

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.787 C1 C2 H5 122.205
C2 C1 H3 137.201 H4 C2 H5 116.008
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability