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

using model chemistry: CISD/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 CISD/cc-pVTZ-PP
 hartrees
Energy at 0K-372.624993
Energy at 298.15K 
HF Energy-372.140918
Nuclear repulsion energy105.492902
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 CISD/cc-pVTZ-PP
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' 3338 3338 1.95      
2 A' 3311 3311 4.86      
3 A' 3242 3242 0.81      
4 A' 1728 1728 29.22      
5 A' 1471 1471 11.75      
6 A' 1322 1322 47.06      
7 A' 1052 1052 3.76      
8 A' 585 585 7.72      
9 A' 323 323 0.25      
10 A" 1040 1040 36.32      
11 A" 1013 1013 21.18      
12 A" 584 584 17.86      

Unscaled Zero Point Vibrational Energy (zpe) 9505.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9505.3 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 CISD/cc-pVTZ-PP
ABC
1.81358 0.10945 0.10322

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.463 -1.452 0.000
C2 -0.444 -2.406 0.000
I3 0.000 0.574 0.000
H4 1.517 -1.652 0.000
H5 -1.499 -2.202 0.000
H6 -0.132 -3.437 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.31732.07811.07302.10062.0723
C21.31733.01372.10181.07431.0764
I32.07813.01372.69393.15504.0130
H41.07302.10182.69393.06602.4302
H52.10061.07433.15503.06601.8421
H62.07231.07644.01302.43021.8421

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 122.558 C1 C2 H6 119.588
C2 C1 I3 123.583 C2 C1 H4 122.791
I3 C1 H4 113.626 H5 C2 H6 117.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability