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All results from a given calculation for C2H3 (vinyl)

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K0.092091
HF Energy0.092091
Nuclear repulsion energy23.032375
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 PM3
Rotational Constants (cm-1) from geometry optimized at PM3
ABC
9.35077 1.06113 0.95298

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.022 0.703 0.000
C2 0.022 -0.593 0.000
H3 -0.357 1.699 0.000
H4 -0.871 -1.215 0.000
H5 0.960 -1.146 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.29621.06522.11602.0737
C21.29622.32291.08851.0888
H31.06522.32292.95883.1350
H42.11601.08852.95881.8324
H52.07371.08883.13501.8324

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 124.844 C1 C2 H5 120.542
C2 C1 H3 159.168 H4 C2 H5 114.614
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability