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

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-6930.399332
Energy at 298.15K 
HF Energy-6930.399332
Nuclear repulsion energy189.884006
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 mPW1PW91/STO-3G
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' 3588 3154 2.00 50.25 0.70 0.83
2 A' 3493 3070 2.67 56.56 0.28 0.44
3 A' 3432 3016 37.83 43.82 0.18 0.30
4 A' 1824 1603 24.02 6.21 0.10 0.18
5 A' 1547 1360 11.42 19.13 0.51 0.67
6 A' 1396 1227 31.05 11.68 0.47 0.64
7 A' 1103 969 7.22 4.77 0.73 0.85
8 A' 620 545 13.55 6.56 0.28 0.44
9 A' 338 297 0.33 5.47 0.52 0.69
10 A" 1091 959 15.99 0.72 0.75 0.86
11 A" 1006 884 17.46 0.22 0.75 0.86
12 A" 602 529 2.83 3.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10019.2 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 8805.8 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 mPW1PW91/STO-3G
ABC
1.81475 0.10704 0.10108

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.458 -1.455 0.000
C2 -0.440 -2.437 0.000
I3 0.000 0.581 0.000
H4 1.531 -1.678 0.000
H5 -1.520 -2.262 0.000
H6 -0.118 -3.484 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.33122.08621.09632.13602.1096
C21.33123.05002.11271.09401.0953
I32.08623.05002.72853.22314.0666
H41.09632.11272.72853.10652.4460
H52.13601.09403.22313.10651.8603
H62.10961.09534.06662.44601.8603

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 123.171 C1 C2 H6 120.463
C2 C1 I3 124.902 C2 C1 H4 120.686
I3 C1 H4 114.411 H5 C2 H6 116.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.178      
2 C -0.162      
3 I 0.056      
4 H 0.101      
5 H 0.091      
6 H 0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.258 -1.270 0.000 1.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.905 -0.435 0.000
y -0.435 -35.475 0.000
z 0.000 0.000 -39.130
Traceless
 xyz
x 0.397 -0.435 0.000
y -0.435 2.543 0.000
z 0.000 0.000 -2.940
Polar
3z2-r2-5.881
x2-y2-1.430
xy-0.435
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.247 0.251 0.000
y 0.251 5.888 0.000
z 0.000 0.000 0.629


<r2> (average value of r2) Å2
<r2> 116.588
(<r2>)1/2 10.798