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

using model chemistry: CCSD/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 CCSD/Def2TZVPP
 hartrees
Energy at 0K-374.953791
Energy at 298.15K 
HF Energy-374.140789
Nuclear repulsion energy105.217710
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/Def2TZVPP
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' 3268 3268 2.34      
2 A' 3238 3238 4.17      
3 A' 3171 3171 1.10      
4 A' 1670 1670 27.61      
5 A' 1435 1435 11.35      
6 A' 1289 1289 43.15      
7 A' 1024 1024 3.79      
8 A' 569 569 7.42      
9 A' 314 314 0.26      
10 A" 1000 1000 37.45      
11 A" 955 955 17.77      
12 A" 562 562 17.45      

Unscaled Zero Point Vibrational Energy (zpe) 9246.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9246.9 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/Def2TZVPP
ABC
1.78923 0.10914 0.10286

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.467 -1.450 0.000
C2 -0.448 -2.412 0.000
I3 0.000 0.575 0.000
H4 1.527 -1.650 0.000
H5 -1.507 -2.204 0.000
H6 -0.136 -3.448 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32762.07791.07892.11352.0872
C21.32763.02042.11651.08001.0820
I32.07793.02042.69883.16164.0254
H41.07892.11652.69883.08462.4489
H52.11351.08003.16163.08461.8518
H62.08721.08204.02542.44891.8518

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 122.439 C1 C2 H6 119.703
C2 C1 I3 123.475 C2 C1 H4 122.833
I3 C1 H4 113.692 H5 C2 H6 117.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability