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

using model chemistry: HF/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 HF/Def2TZVPP
 hartrees
Energy at 0K-374.141358
Energy at 298.15K 
HF Energy-374.141358
Nuclear repulsion energy105.392016
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 HF/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' 3378 3062 4.94 77.66 0.48 0.65
2 A' 3360 3046 5.11 109.67 0.39 0.56
3 A' 3284 2977 2.84 137.09 0.20 0.33
4 A' 1788 1621 32.05 36.55 0.13 0.23
5 A' 1524 1382 14.20 28.32 0.38 0.55
6 A' 1373 1244 62.35 19.19 0.22 0.37
7 A' 1096 994 3.77 2.69 0.75 0.86
8 A' 585 530 10.94 13.43 0.16 0.28
9 A' 334 303 0.18 10.07 0.38 0.55
10 A" 1091 989 57.91 1.75 0.75 0.86
11 A" 1084 982 5.62 1.68 0.75 0.86
12 A" 608 552 20.99 1.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9752.8 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 8840.0 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 HF/Def2TZVPP
ABC
1.82979 0.10891 0.10280

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.460 -1.460 0.000
C2 -0.441 -2.409 0.000
I3 0.000 0.576 0.000
H4 1.513 -1.654 0.000
H5 -1.495 -2.212 0.000
H6 -0.130 -3.439 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.30912.08761.07042.09492.0645
C21.30913.01782.09511.07231.0750
I32.08763.01782.69493.16344.0166
H41.07042.09512.69493.05942.4257
H52.09491.07233.16343.05941.8352
H62.06451.07504.01662.42571.8352

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 122.904 C1 C2 H6 119.656
C2 C1 I3 123.739 C2 C1 H4 123.086
I3 C1 H4 113.175 H5 C2 H6 117.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 C -0.139      
3 I -0.009      
4 H 0.088      
5 H 0.083      
6 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.137 -1.591 0.000 1.597
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.265 -0.582 0.000
y -0.582 -34.226 0.000
z 0.000 0.000 -42.421
Traceless
 xyz
x 0.058 -0.582 0.000
y -0.582 6.117 0.000
z 0.000 0.000 -6.175
Polar
3z2-r2-12.350
x2-y2-4.039
xy-0.582
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.797 0.695 0.000
y 0.695 11.330 0.000
z 0.000 0.000 5.464


<r2> (average value of r2) Å2
<r2> 106.278
(<r2>)1/2 10.309