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

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-6965.213744
Energy at 298.15K 
HF Energy-6964.928161
Nuclear repulsion energy187.226551
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 CID/3-21G*
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' 3292 3063 4.32      
2 A' 3272 3044 4.00      
3 A' 3202 2979 0.99      
4 A' 1707 1589 23.27      
5 A' 1508 1403 14.53      
6 A' 1347 1253 55.73      
7 A' 1091 1015 5.11      
8 A' 563 524 8.61      
9 A' 322 299 0.11      
10 A" 1033 961 53.90      
11 A" 1015 944 16.88      
12 A" 579 539 18.62      

Unscaled Zero Point Vibrational Energy (zpe) 9464.8 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 8807.0 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 CID/3-21G*
ABC
1.76392 0.10428 0.09846

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.472 -1.503 0.000
C2 -0.450 -2.458 0.000
I3 0.000 0.589 0.000
H4 1.536 -1.693 0.000
H5 -1.512 -2.250 0.000
H6 -0.154 -3.502 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32742.14391.08102.11982.0950
C21.32743.07982.12791.08221.0851
I32.14393.07982.75043.21664.0936
H41.08102.12792.75043.09822.4755
H52.11981.08223.21663.09821.8468
H62.09501.08514.09362.47551.8468

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 122.900 C1 C2 H6 120.216
C2 C1 I3 123.328 C2 C1 H4 123.821
I3 C1 H4 112.851 H5 C2 H6 116.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability