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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-6929.687488
Energy at 298.15K 
HF Energy-6929.687488
Nuclear repulsion energy187.347179
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 BLYP/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' 3432 3175 0.24 54.53 0.70 0.82
2 A' 3334 3084 1.61 60.98 0.28 0.44
3 A' 3282 3037 23.53 51.01 0.18 0.31
4 A' 1716 1587 25.78 6.92 0.20 0.34
5 A' 1490 1378 16.89 19.70 0.45 0.62
6 A' 1346 1246 27.63 12.80 0.44 0.61
7 A' 1064 985 6.49 4.96 0.74 0.85
8 A' 580 536 14.03 6.25 0.29 0.45
9 A' 324 299 0.30 6.12 0.51 0.68
10 A" 1028 951 16.60 0.60 0.75 0.86
11 A" 925 855 15.02 0.15 0.75 0.86
12 A" 567 525 2.92 3.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9543.1 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 8829.2 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 BLYP/STO-3G
ABC
1.77394 0.10409 0.09832

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.463 -1.474 0.000
C2 -0.446 -2.473 0.000
I3 0.000 0.589 0.000
H4 1.548 -1.696 0.000
H5 -1.536 -2.297 0.000
H6 -0.117 -3.529 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.35022.11461.10722.16202.1350
C21.35023.09382.13971.10431.1060
I32.11463.09382.76013.26934.1194
H41.10722.13972.76013.14212.4764
H52.16201.10433.26933.14211.8787
H62.13501.10604.11942.47641.8787

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 123.174 C1 C2 H6 120.413
C2 C1 I3 125.023 C2 C1 H4 120.759
I3 C1 H4 114.218 H5 C2 H6 116.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.172      
2 C -0.153      
3 I 0.067      
4 H 0.091      
5 H 0.083      
6 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.238 -1.026 0.000 1.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.996 -0.461 0.000
y -0.461 -35.638 0.000
z 0.000 0.000 -39.138
Traceless
 xyz
x 0.392 -0.461 0.000
y -0.461 2.429 0.000
z 0.000 0.000 -2.821
Polar
3z2-r2-5.641
x2-y2-1.358
xy-0.461
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.311 0.231 0.000
y 0.231 6.311 0.000
z 0.000 0.000 0.663


<r2> (average value of r2) Å2
<r2> 119.231
(<r2>)1/2 10.919