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

using model chemistry: MP2=FULL/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 MP2=FULL/Def2TZVPP
 hartrees
Energy at 0K-375.091874
Energy at 298.15K 
HF Energy-374.140598
Nuclear repulsion energy105.800147
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 MP2=FULL/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' 3289 3289 0.63 73.79 0.61 0.76
2 A' 3246 3246 4.20 117.80 0.23 0.38
3 A' 3185 3185 0.17 133.04 0.17 0.30
4 A' 1641 1641 32.71 7.75 0.01 0.02
5 A' 1428 1428 12.09 14.60 0.38 0.55
6 A' 1279 1279 39.59 9.32 0.22 0.35
7 A' 1017 1017 5.23 2.49 0.75 0.86
8 A' 578 578 8.57 4.81 0.12 0.21
9 A' 316 316 0.26 6.27 0.40 0.57
10 A" 1002 1002 34.53 0.00 0.75 0.86
11 A" 942 942 23.33 0.31 0.75 0.86
12 A" 573 573 18.33 0.88 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9247.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9247.8 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 MP2=FULL/Def2TZVPP
ABC
1.79186 0.11064 0.10421

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.467 -1.435 0.000
C2 -0.448 -2.398 0.000
I3 0.000 0.571 0.000
H4 1.525 -1.637 0.000
H5 -1.505 -2.188 0.000
H6 -0.132 -3.430 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32852.05971.07702.11022.0827
C21.32853.00282.11501.07701.0792
I32.05973.00282.68313.14234.0031
H41.07702.11502.68313.07912.4413
H52.11021.07703.14233.07911.8515
H62.08271.07924.00312.44131.8515

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 122.269 C1 C2 H6 119.403
C2 C1 I3 123.361 C2 C1 H4 122.753
I3 C1 H4 113.886 H5 C2 H6 118.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability