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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-375.604709
Energy at 298.15K 
HF Energy-375.604709
Nuclear repulsion energy104.375388
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 PBEPBE/Def2TZVPP
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' 3164 3125 1.31 90.09 0.61 0.76
2 A' 3133 3095 2.46 125.30 0.27 0.43
3 A' 3068 3031 0.54 182.84 0.19 0.32
4 A' 1599 1580 51.65 19.18 0.07 0.12
5 A' 1362 1345 10.99 22.04 0.38 0.55
6 A' 1217 1202 44.73 12.00 0.23 0.38
7 A' 968 956 7.11 2.61 0.74 0.85
8 A' 531 525 13.33 5.17 0.10 0.18
9 A' 301 297 0.09 8.45 0.39 0.56
10 A" 943 931 33.02 0.01 0.75 0.86
11 A" 892 881 22.70 0.23 0.75 0.86
12 A" 543 536 19.55 1.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8859.0 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 8751.8 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 PBEPBE/Def2TZVPP
ABC
1.78229 0.10710 0.10103

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.465 -1.466 0.000
C2 -0.447 -2.434 0.000
I3 0.000 0.580 0.000
H4 1.539 -1.646 0.000
H5 -1.519 -2.239 0.000
H6 -0.122 -3.477 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32972.09851.08902.12882.0947
C21.32973.04732.13651.08941.0924
I32.09853.04732.70633.20244.0591
H41.08902.13652.70633.11462.4720
H52.12881.08943.20243.11461.8665
H62.09471.09244.05912.47201.8665

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 122.976 C1 C2 H6 119.399
C2 C1 I3 123.915 C2 C1 H4 123.784
I3 C1 H4 112.301 H5 C2 H6 117.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 C -0.199      
3 I -0.008      
4 H 0.105      
5 H 0.101      
6 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.151 -1.209 0.000 1.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.115 -0.733 0.000
y -0.733 -34.477 0.000
z 0.000 0.000 -41.889
Traceless
 xyz
x 0.067 -0.733 0.000
y -0.733 5.525 0.000
z 0.000 0.000 -5.593
Polar
3z2-r2-11.185
x2-y2-3.639
xy-0.733
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.159 0.564 0.000
y 0.564 12.202 0.000
z 0.000 0.000 5.680


<r2> (average value of r2) Å2
<r2> 107.690
(<r2>)1/2 10.377