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

using model chemistry: B2PLYP/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 B2PLYP/3-21G*
 hartrees
Energy at 0K-6967.360823
Energy at 298.15K 
HF Energy-6967.260467
Nuclear repulsion energy187.273781
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 B2PLYP/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' 3269 3269 2.67 72.67 0.57 0.73
2 A' 3242 3242 4.20 102.38 0.32 0.49
3 A' 3175 3175 0.53 137.20 0.21 0.34
4 A' 1658 1658 28.59 3.34 0.20 0.33
5 A' 1477 1477 15.64 21.68 0.44 0.61
6 A' 1318 1318 56.21 12.04 0.30 0.46
7 A' 1063 1063 6.22 4.63 0.69 0.81
8 A' 548 548 10.89 7.77 0.19 0.32
9 A' 314 314 0.15 8.35 0.41 0.58
10 A" 1011 1011 49.15 0.38 0.75 0.86
11 A" 980 980 23.62 0.42 0.75 0.86
12 A" 567 567 19.79 11.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9310.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9310.9 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 B2PLYP/3-21G*
ABC
1.76405 0.10430 0.09848

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.471 -1.501 0.000
C2 -0.450 -2.459 0.000
I3 0.000 0.589 0.000
H4 1.536 -1.687 0.000
H5 -1.512 -2.251 0.000
H6 -0.150 -3.502 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32962.14171.08142.12082.0955
C21.32963.08082.13131.08211.0853
I32.14173.08082.74593.21754.0933
H41.08142.13132.74593.10042.4772
H52.12081.08213.21753.10041.8493
H62.09551.08534.09332.47721.8493

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 122.806 C1 C2 H6 120.059
C2 C1 I3 123.417 C2 C1 H4 123.929
I3 C1 H4 112.654 H5 C2 H6 117.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.334      
2 C -0.377      
3 I 0.052      
4 H 0.233      
5 H 0.216      
6 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.133 -1.425 0.000 1.431
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.556 -0.678 -0.000
y -0.678 -35.171 0.000
z -0.000 0.000 -43.564
Traceless
 xyz
x -0.189 -0.678 -0.000
y -0.678 6.389 0.000
z -0.000 0.000 -6.200
Polar
3z2-r2-12.400
x2-y2-4.386
xy-0.678
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.767 0.533 0.000
y 0.533 10.168 0.001
z 0.000 0.001 3.735


<r2> (average value of r2) Å2
<r2> 120.181
(<r2>)1/2 10.963