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

using model chemistry: CCSD/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 CCSD/cc-pVTZ-PP
 hartrees
Energy at 0K-372.698677
Energy at 298.15K 
HF Energy-372.140527
Nuclear repulsion energy104.947928
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 CCSD/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' 3265 3115 2.16      
2 A' 3236 3087 4.58      
3 A' 3170 3024 1.24      
4 A' 1669 1592 26.99      
5 A' 1431 1365 11.67      
6 A' 1287 1228 43.92      
7 A' 1023 976 3.57      
8 A' 568 542 7.23      
9 A' 313 299 0.21      
10 A" 999 953 35.04      
11 A" 959 915 19.41      
12 A" 560 535 16.63      

Unscaled Zero Point Vibrational Energy (zpe) 9240.4 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 8815.3 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 CCSD/cc-pVTZ-PP
ABC
1.78557 0.10846 0.10225

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.467 -1.457 0.000
C2 -0.448 -2.418 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 -3.454 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32752.08711.07902.11392.0860
C21.32753.02852.11721.08011.0822
I32.08713.02852.70703.16834.0333
H41.07902.11722.70703.08542.4478
H52.11391.08013.16833.08541.8531
H62.08601.08224.03332.44781.8531

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 122.470 C1 C2 H6 119.567
C2 C1 I3 123.442 C2 C1 H4 122.892
I3 C1 H4 113.666 H5 C2 H6 117.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability