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All results from a given calculation for C2H3 (vinyl)

using model chemistry: CCSD=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCSD=FULL/Def2TZVPP
 hartrees
Energy at 0K-77.777981
Energy at 298.15K-77.779507
HF Energy-77.422667
Nuclear repulsion energy28.489678
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 CCSD=FULL/Def2TZVPP
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' 3273 3273 0.54      
2 A' 3202 3202 2.75      
3 A' 3101 3101 3.28      
4 A' 1663 1663 1.94      
5 A' 1423 1423 6.68      
6 A' 1084 1084 7.11      
7 A' 734 734 18.25      
8 A" 950 950 71.85      
9 A" 845 845 12.58      

Unscaled Zero Point Vibrational Energy (zpe) 8137.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8137.5 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 CCSD=FULL/Def2TZVPP
ABC
7.86933 1.09166 0.95867

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.721 0.000
C2 0.050 -0.587 0.000
H3 -0.682 1.509 0.000
H4 -0.878 -1.153 0.000
H5 0.966 -1.161 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30871.07522.09082.0934
C21.30872.22071.08621.0809
H31.07522.22072.66923.1377
H42.09081.08622.66921.8437
H52.09341.08093.13771.8437

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.354 C1 C2 H5 122.052
C2 C1 H3 137.138 H4 C2 H5 116.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability