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

using model chemistry: QCISD/cc-pVTZ-PP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pVTZ-PP
 hartrees
Energy at 0K-372.699678
Energy at 298.15K 
HF Energy-372.140493
Nuclear repulsion energy104.914731
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 QCISD/cc-pVTZ-PP
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' 3263 3263 2.29      
2 A' 3233 3233 4.77      
3 A' 3167 3167 1.21      
4 A' 1665 1665 27.06      
5 A' 1430 1430 11.85      
6 A' 1285 1285 44.04      
7 A' 1022 1022 3.61      
8 A' 567 567 7.51      
9 A' 313 313 0.21      
10 A" 998 998 35.25      
11 A" 956 956 19.14      
12 A" 560 560 16.65      

Unscaled Zero Point Vibrational Energy (zpe) 9229.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9229.2 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 QCISD/cc-pVTZ-PP
ABC
1.78421 0.10839 0.10218

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVTZ-PP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.468 -1.458 0.000
C2 -0.448 -2.419 0.000
I3 0.000 0.577 0.000
H4 1.528 -1.658 0.000
H5 -1.508 -2.210 0.000
H6 -0.135 -3.455 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32822.08761.07922.11472.0866
C21.32823.02962.11821.08031.0824
I32.08763.02962.70743.16954.0345
H41.07922.11822.70743.08652.4489
H52.11471.08033.16953.08651.8535
H62.08661.08244.03452.44891.8535

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 122.475 C1 C2 H6 119.558
C2 C1 I3 123.441 C2 C1 H4 122.919
I3 C1 H4 113.640 H5 C2 H6 117.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability