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

using model chemistry: wB97X-D/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 wB97X-D/3-21G*
 hartrees
Energy at 0K-6968.296134
Energy at 298.15K 
HF Energy-6968.296134
Nuclear repulsion energy188.665110
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 wB97X-D/3-21G*
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' 3276 3105 1.90 76.78 0.56 0.72
2 A' 3247 3077 4.20 100.78 0.33 0.50
3 A' 3182 3015 0.13 119.03 0.19 0.32
4 A' 1695 1606 32.42 7.48 0.11 0.20
5 A' 1478 1400 12.14 23.37 0.46 0.63
6 A' 1324 1255 45.87 12.17 0.29 0.45
7 A' 1070 1014 6.93 4.27 0.69 0.82
8 A' 571 541 9.09 6.78 0.18 0.30
9 A' 323 306 0.22 8.04 0.42 0.59
10 A" 1025 971 24.92 0.89 0.75 0.86
11 A" 1012 959 59.60 0.38 0.75 0.86
12 A" 576 546 23.17 11.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9387.5 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 8897.5 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 wB97X-D/3-21G*
ABC
1.78329 0.10592 0.09998

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.467 -1.484 0.000
C2 -0.447 -2.442 0.000
I3 0.000 0.584 0.000
H4 1.532 -1.680 0.000
H5 -1.511 -2.237 0.000
H6 -0.141 -3.484 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32432.11991.08302.11632.0908
C21.32433.05902.12091.08361.0860
I32.11993.05902.73333.19984.0707
H41.08302.12092.73333.09352.4611
H52.11631.08363.19983.09351.8527
H62.09081.08604.07072.46111.8527

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 122.701 C1 C2 H6 120.011
C2 C1 I3 123.635 C2 C1 H4 123.227
I3 C1 H4 113.138 H5 C2 H6 117.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.385      
2 C -0.422      
3 I 0.075      
4 H 0.258      
5 H 0.240      
6 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.117 -1.341 0.000 1.346
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.128 -0.703 0.000
y -0.703 -34.729 0.000
z 0.000 0.000 -43.383
Traceless
 xyz
x -0.072 -0.703 0.000
y -0.703 6.527 0.000
z 0.000 0.000 -6.455
Polar
3z2-r2-12.910
x2-y2-4.399
xy-0.703
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.842 0.593 0.000
y 0.593 10.151 0.000
z 0.000 0.000 3.819


<r2> (average value of r2) Å2
<r2> 118.602
(<r2>)1/2 10.890