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

using model chemistry: B3LYP/cc-pVTZ-PP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/cc-pVTZ-PP
 hartrees
Energy at 0K-373.824461
Energy at 298.15K 
HF Energy-373.824461
Nuclear repulsion energy104.342827
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 B3LYP/cc-pVTZ-PP
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' 3224 3224 2.11 83.18 0.56 0.72
2 A' 3202 3202 3.01 117.08 0.32 0.49
3 A' 3131 3131 1.13 176.33 0.20 0.33
4 A' 1650 1650 43.94 13.97 0.09 0.17
5 A' 1413 1413 12.45 21.87 0.42 0.59
6 A' 1263 1263 53.27 14.36 0.22 0.35
7 A' 1007 1007 5.50 3.21 0.70 0.82
8 A' 536 536 13.08 7.68 0.11 0.21
9 A' 309 309 0.06 9.05 0.37 0.54
10 A" 982 982 35.43 0.02 0.75 0.86
11 A" 947 947 20.34 0.86 0.75 0.86
12 A" 558 558 18.21 3.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9110.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9110.0 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 B3LYP/cc-pVTZ-PP
ABC
1.80210 0.10660 0.10064

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ-PP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.463 -1.478 0.000
C2 -0.445 -2.436 0.000
I3 0.000 0.582 0.000
H4 1.527 -1.657 0.000
H5 -1.508 -2.241 0.000
H6 -0.127 -3.472 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.31992.11091.07942.11342.0799
C21.31993.05042.12021.08061.0839
I32.11093.05042.71033.20054.0560
H41.07942.12022.71033.09072.4559
H52.11341.08063.20053.09071.8496
H62.07991.08394.05602.45591.8496

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 123.072 C1 C2 H6 119.512
C2 C1 I3 123.884 C2 C1 H4 123.879
I3 C1 H4 112.237 H5 C2 H6 117.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.152      
2 C -0.240      
3 I -0.003      
4 H 0.133      
5 H 0.132      
6 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.150 -1.291 0.000 1.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.264 -0.666 0.000
y -0.666 -34.554 0.000
z 0.000 0.000 -42.008
Traceless
 xyz
x 0.018 -0.666 0.000
y -0.666 5.582 0.000
z 0.000 0.000 -5.599
Polar
3z2-r2-11.198
x2-y2-3.709
xy-0.666
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.923 0.605 0.000
y 0.605 11.580 0.000
z 0.000 0.000 5.349


<r2> (average value of r2) Å2
<r2> 107.987
(<r2>)1/2 10.392