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

using model chemistry: wB97X-D/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 wB97X-D/3-21G
 hartrees
Energy at 0K-6968.225585
Energy at 298.15K 
HF Energy-6968.225585
Nuclear repulsion energy187.990708
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 wB97X-D/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' 3278 3278 2.11 77.51 0.48 0.64
2 A' 3257 3257 3.80 109.45 0.39 0.56
3 A' 3183 3183 0.22 122.12 0.18 0.31
4 A' 1704 1704 39.37 7.37 0.12 0.22
5 A' 1482 1482 11.87 20.33 0.44 0.61
6 A' 1325 1325 55.41 16.23 0.43 0.60
7 A' 1074 1074 6.55 6.53 0.73 0.84
8 A' 561 561 9.93 9.81 0.39 0.56
9 A' 327 327 0.14 9.79 0.52 0.68
10 A" 1034 1034 19.38 1.92 0.75 0.86
11 A" 1022 1022 77.27 0.35 0.75 0.86
12 A" 592 592 24.46 7.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9419.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9419.6 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 wB97X-D/3-21G
ABC
1.79094 0.10501 0.09920

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.465 -1.493 0.000
C2 -0.446 -2.451 0.000
I3 0.000 0.587 0.000
H4 1.529 -1.692 0.000
H5 -1.510 -2.249 0.000
H6 -0.137 -3.492 0.000

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6
C11.32202.13111.08222.11512.0879
C21.32203.07022.11581.08361.0859
I32.13113.07022.74393.21244.0811
H41.08222.11582.74393.09002.4531
H52.11511.08363.21243.09001.8526
H62.08791.08594.08112.45311.8526

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 122.791 C1 C2 H6 119.925
C2 C1 I3 123.831 C2 C1 H4 122.982
I3 C1 H4 113.188 H5 C2 H6 117.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.566      
2 C -0.390      
3 I 0.214      
4 H 0.269      
5 H 0.237      
6 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.140 -1.427 0.000 1.434
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.177 -0.507 0.000
y -0.507 -35.241 0.000
z 0.000 0.000 -43.436
Traceless
 xyz
x 0.162 -0.507 0.000
y -0.507 6.065 0.000
z 0.000 0.000 -6.227
Polar
3z2-r2-12.454
x2-y2-3.936
xy-0.507
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.391 0.403 0.000
y 0.403 9.414 0.000
z 0.000 0.000 2.047


<r2> (average value of r2) Å2
<r2> 119.439
(<r2>)1/2 10.929