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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-6967.366667
Energy at 298.15K 
HF Energy-6967.260472
Nuclear repulsion energy187.293113
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=FULL/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' 3269 3269 2.66 72.72 0.57 0.73
2 A' 3242 3242 4.21 102.37 0.32 0.49
3 A' 3176 3176 0.52 137.03 0.21 0.34
4 A' 1658 1658 28.59 3.34 0.20 0.33
5 A' 1478 1478 15.62 21.69 0.44 0.61
6 A' 1317 1317 56.14 12.03 0.30 0.46
7 A' 1063 1063 6.19 4.63 0.69 0.81
8 A' 549 549 10.86 7.76 0.19 0.32
9 A' 314 314 0.15 8.34 0.41 0.58
10 A" 1011 1011 49.11 0.38 0.75 0.86
11 A" 980 980 23.64 0.42 0.75 0.86
12 A" 568 568 19.80 11.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9312.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9312.1 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=FULL/3-21G*
ABC
1.76437 0.10433 0.09850

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.471 -1.500 0.000
C2 -0.450 -2.459 0.000
I3 0.000 0.589 0.000
H4 1.536 -1.687 0.000
H5 -1.512 -2.251 0.000
H6 -0.150 -3.502 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32962.14141.08142.12072.0955
C21.32963.08052.13111.08201.0852
I32.14143.08052.74583.21724.0930
H41.08142.13112.74583.10012.4770
H52.12071.08203.21723.10011.8492
H62.09551.08524.09302.47701.8492

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 122.800 C1 C2 H6 120.066
C2 C1 I3 123.419 C2 C1 H4 123.918
I3 C1 H4 112.663 H5 C2 H6 117.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability