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All results from a given calculation for C2H3 (vinyl)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-77.614769
Energy at 298.15K-77.616360
HF Energy-77.389097
Nuclear repulsion energy28.606369
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3339 3084 1.75      
2 A' 3276 3026 6.63      
3 A' 3183 2940 4.34      
4 A' 1777 1642 1.30      
5 A' 1469 1357 6.67      
6 A' 1131 1044 10.54      
7 A' 779 720 19.33      
8 A" 1041 961 79.53      
9 A" 965 891 10.54      

Unscaled Zero Point Vibrational Energy (zpe) 8479.7 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 7832.7 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 CID/6-31G*
ABC
7.80189 1.10742 0.96977

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.716 0.000
C2 0.050 -0.580 0.000
H3 -0.694 1.499 0.000
H4 -0.876 -1.155 0.000
H5 0.970 -1.157 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.29641.08012.08802.0865
C21.29642.20861.09001.0855
H31.08012.20862.66093.1340
H42.08801.09002.66091.8459
H52.08651.08553.13401.8459

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.838 C1 C2 H5 122.071
C2 C1 H3 136.484 H4 C2 H5 116.090
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability