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All results from a given calculation for C2H3I (Vinyl iodide)

using model chemistry: CCD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/Def2TZVPP
 hartrees
Energy at 0K-374.949793
Energy at 298.15K 
HF Energy-374.140863
Nuclear repulsion energy105.305486
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 CCD/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' 3274 3274 2.15      
2 A' 3244 3244 4.01      
3 A' 3176 3176 0.83      
4 A' 1680 1680 28.32      
5 A' 1439 1439 11.03      
6 A' 1292 1292 42.10      
7 A' 1026 1026 3.78      
8 A' 572 572 7.01      
9 A' 316 316 0.27      
10 A" 1004 1004 36.30      
11 A" 961 961 19.51      
12 A" 566 566 17.39      

Unscaled Zero Point Vibrational Energy (zpe) 9275.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9275.1 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 CCD/Def2TZVPP
ABC
1.79278 0.10932 0.10304

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.466 -1.449 0.000
C2 -0.447 -2.410 0.000
I3 0.000 0.575 0.000
H4 1.526 -1.650 0.000
H5 -1.507 -2.202 0.000
H6 -0.135 -3.446 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32582.07631.07872.11162.0854
C21.32583.01762.11441.07971.0818
I32.07633.01762.69743.15884.0224
H41.07872.11442.69743.08242.4462
H52.11161.07973.15883.08241.8515
H62.08541.08184.02242.44621.8515

picture of Vinyl iodide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 122.437 C1 C2 H6 119.693
C2 C1 I3 123.485 C2 C1 H4 122.800
I3 C1 H4 113.715 H5 C2 H6 117.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability