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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/cc-pVTZ-PP
 hartrees
Energy at 0K-373.413402
Energy at 298.15K 
HF Energy-373.221112
Nuclear repulsion energy104.753090
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 B2PLYP=FULLultrafine/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' 3257 3257 1.57 80.10 0.59 0.74
2 A' 3230 3230 3.90 116.35 0.29 0.45
3 A' 3164 3164 0.87 158.49 0.19 0.32
4 A' 1649 1649 37.42 11.19 0.07 0.13
5 A' 1422 1422 12.84 19.65 0.42 0.60
6 A' 1274 1274 48.78 13.65 0.21 0.35
7 A' 1015 1015 5.07 3.14 0.71 0.83
8 A' 551 551 11.00 7.27 0.12 0.21
9 A' 311 311 0.10 8.26 0.37 0.55
10 A" 994 994 35.98 0.02 0.75 0.86
11 A" 952 952 19.98 0.90 0.75 0.86
12 A" 563 563 17.85 3.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9190.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9190.4 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 B2PLYP=FULLultrafine/cc-pVTZ-PP
ABC
1.79766 0.10772 0.10163

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVTZ-PP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.465 -1.466 0.000
C2 -0.446 -2.425 0.000
I3 0.000 0.579 0.000
H4 1.525 -1.654 0.000
H5 -1.505 -2.223 0.000
H6 -0.130 -3.458 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32272.09721.07692.11042.0793
C21.32273.03682.11711.07801.0808
I32.09723.03682.70403.18054.0394
H41.07692.11712.70403.08352.4489
H52.11041.07803.18053.08351.8486
H62.07931.08084.03942.44891.8486

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 122.740 C1 C2 H6 119.446
C2 C1 I3 123.650 C2 C1 H4 123.504
I3 C1 H4 112.846 H5 C2 H6 117.814
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability