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

using model chemistry: B97D3/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/3-21G*
 hartrees
Energy at 0K-6972.095263
Energy at 298.15K 
HF Energy-6972.095263
Nuclear repulsion energy186.874912
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 B97D3/3-21G*
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' 3192 3192 4.69 75.19 0.59 0.75
2 A' 3164 3164 3.98 108.96 0.31 0.48
3 A' 3095 3095 1.23 156.22 0.22 0.36
4 A' 1615 1615 40.39 5.80 0.12 0.22
5 A' 1433 1433 15.01 25.26 0.41 0.59
6 A' 1275 1275 54.30 11.04 0.32 0.48
7 A' 1026 1026 7.73 4.74 0.68 0.81
8 A' 528 528 13.53 5.90 0.16 0.27
9 A' 308 308 0.22 8.75 0.41 0.58
10 A" 967 967 49.59 0.24 0.75 0.86
11 A" 920 920 27.37 0.37 0.75 0.86
12 A" 548 548 21.27 10.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9034.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9034.6 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 B97D3/3-21G*
ABC
1.75427 0.10387 0.09807

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.471 -1.502 0.000
C2 -0.451 -2.465 0.000
I3 0.000 0.590 0.000
H4 1.544 -1.684 0.000
H5 -1.520 -2.257 0.000
H6 -0.144 -3.513 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.33372.14431.08792.12932.1030
C21.33373.08802.14271.08821.0921
I32.14433.08802.74843.22714.1054
H41.08792.14272.74843.11662.4889
H52.12931.08823.22713.11661.8626
H62.10301.09214.10542.48891.8626

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 122.761 C1 C2 H6 119.879
C2 C1 I3 123.528 C2 C1 H4 124.148
I3 C1 H4 112.323 H5 C2 H6 117.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.343      
2 C -0.398      
3 I 0.065      
4 H 0.237      
5 H 0.222      
6 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.132 -1.295 0.000 1.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.855 -0.700 0.000
y -0.700 -34.652 0.000
z 0.000 0.000 -42.960
Traceless
 xyz
x -0.049 -0.700 0.000
y -0.700 6.255 0.000
z 0.000 0.000 -6.206
Polar
3z2-r2-12.412
x2-y2-4.203
xy-0.700
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.866 0.564 0.000
y 0.564 10.605 0.000
z 0.000 0.000 3.807


<r2> (average value of r2) Å2
<r2> 120.222
(<r2>)1/2 10.965