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

using model chemistry: CCSD(T)/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 CCSD(T)/Def2TZVPP
 hartrees
Energy at 0K-374.980825
Energy at 298.15K 
HF Energy-374.140403
Nuclear repulsion energy104.932675
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(T)/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' 3246 3246        
2 A' 3215 3215        
3 A' 3148 3148        
4 A' 1632 1632        
5 A' 1415 1415        
6 A' 1270 1270        
7 A' 1008 1008        
8 A' 558 558        
9 A' 309 309        
10 A" 977 977        
11 A" 920 920        
12 A" 549 549        

Unscaled Zero Point Vibrational Energy (zpe) 9122.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9122.9 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(T)/Def2TZVPP
ABC
1.77291 0.10862 0.10235

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.470 -1.453 0.000
C2 -0.450 -2.418 0.000
I3 0.000 0.576 0.000
H4 1.532 -1.652 0.000
H5 -1.512 -2.208 0.000
H6 -0.137 -3.456 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.33392.08271.08082.12042.0934
C21.33393.02842.12531.08191.0839
I32.08273.02842.70443.16824.0348
H41.08082.12532.70443.09392.4577
H52.12041.08193.16823.09391.8565
H62.09341.08394.03482.45771.8565

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 122.401 C1 C2 H6 119.596
C2 C1 I3 123.350 C2 C1 H4 122.970
I3 C1 H4 113.681 H5 C2 H6 118.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability