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

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-88.578146
Energy at 298.15K 
HF Energy-88.578146
Nuclear repulsion energy49.574029
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/LANL2DZ
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' 3450 3104 14.07 79.02 0.57 0.73
2 A' 3426 3083 13.97 128.30 0.35 0.51
3 A' 3337 3003 4.58 140.04 0.18 0.30
4 A' 1778 1600 40.39 28.36 0.17 0.30
5 A' 1548 1393 16.84 32.00 0.44 0.62
6 A' 1395 1256 79.48 27.28 0.36 0.53
7 A' 1125 1012 8.22 6.07 0.66 0.80
8 A' 554 499 13.85 22.31 0.27 0.42
9 A' 334 300 0.54 18.31 0.55 0.71
10 A" 1146 1031 60.03 10.10 0.75 0.86
11 A" 1095 986 55.55 0.70 0.75 0.86
12 A" 623 561 37.45 1.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9905.8 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 8914.2 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/LANL2DZ
ABC
1.79887 0.10547 0.09963

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.466 -1.485 0.000
C2 -0.446 -2.449 0.000
I3 0.000 0.585 0.000
H4 1.521 -1.671 0.000
H5 -1.501 -2.257 0.000
H6 -0.138 -3.480 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32742.12241.07102.11372.0841
C21.32743.06712.11551.07231.0758
I32.12243.06712.72133.21484.0674
H41.07102.11552.72133.07862.4540
H52.11371.07233.21483.07861.8312
H62.08411.07584.06742.45401.8312

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 123.130 C1 C2 H6 119.905
C2 C1 I3 123.877 C2 C1 H4 123.426
I3 C1 H4 112.697 H5 C2 H6 116.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.502      
2 C -0.286      
3 I 0.135      
4 H 0.237      
5 H 0.209      
6 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.086 -1.689 0.000 1.691
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.533 -0.391 0.000
y -0.391 -27.363 0.000
z 0.000 0.000 -36.234
Traceless
 xyz
x 0.265 -0.391 0.000
y -0.391 6.521 0.000
z 0.000 0.000 -6.786
Polar
3z2-r2-13.573
x2-y2-4.170
xy-0.391
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.076 0.464 0.000
y 0.464 10.292 0.000
z 0.000 0.000 1.449


<r2> (average value of r2) Å2
<r2> 98.518
(<r2>)1/2 9.926