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All results from a given calculation for C2H5I (Ethyl 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-6969.468717
Energy at 298.15K 
HF Energy-6969.468717
Nuclear repulsion energy212.189639
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' 3158 3158 16.40 74.15 0.23 0.37
2 A' 3144 3144 0.10 116.36 0.42 0.59
3 A' 3078 3078 13.92 147.11 0.08 0.15
4 A' 1569 1569 5.19 20.12 0.73 0.84
5 A' 1539 1539 9.37 16.04 0.75 0.86
6 A' 1480 1480 11.44 7.40 0.64 0.78
7 A' 1308 1308 72.41 13.81 0.45 0.62
8 A' 1091 1091 4.32 6.95 0.66 0.80
9 A' 1000 1000 16.62 7.28 0.73 0.84
10 A' 532 532 7.92 34.55 0.38 0.55
11 A' 270 270 1.29 4.94 0.50 0.66
12 A" 3219 3219 4.57 40.81 0.75 0.86
13 A" 3170 3170 7.10 72.80 0.75 0.86
14 A" 1562 1562 13.47 25.46 0.75 0.86
15 A" 1314 1314 0.73 7.46 0.75 0.86
16 A" 1053 1053 0.21 9.93 0.75 0.86
17 A" 782 782 10.82 2.02 0.75 0.86
18 A" 258 258 0.00 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14762.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14762.8 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
0.96971 0.09608 0.09041

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 0.614 -1.461 0.000
C2 -0.585 -2.407 0.000
I3 0.000 0.648 0.000
H4 1.230 -1.587 0.890
H5 1.230 -1.587 -0.890
H6 -0.223 -3.442 0.000
H7 -1.205 -2.257 0.888
H8 -1.205 -2.257 -0.888

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.52762.19591.08951.08952.15112.17492.1749
C21.52763.11072.18122.18121.09661.09311.0931
I32.19593.11072.70162.70164.09633.26773.2677
H41.08952.18122.70161.77972.51872.52513.0880
H51.08952.18122.70161.77972.51873.08802.5251
H62.15111.09664.09632.51872.51871.77701.7770
H72.17491.09313.26772.52513.08801.77701.7751
H82.17491.09313.26773.08802.52511.77701.7751

picture of Ethyl iodide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.014 C1 C2 H7 111.093
C1 C2 H8 111.093 C2 C1 I3 112.070
C2 C1 H4 111.816 C2 C1 H5 111.816
I3 C1 H4 105.630 I3 C1 H5 105.630
H4 C1 H5 109.518 H6 C2 H7 108.494
H6 C2 H8 108.494 H7 C2 H8 108.580
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 -0.714      
2 C -0.613      
3 I 0.099      
4 H 0.268      
5 H 0.268      
6 H 0.226      
7 H 0.232      
8 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.409 -2.055 0.000 2.096
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.147 -1.154 0.000
y -1.154 -38.493 0.000
z 0.000 0.000 -42.535
Traceless
 xyz
x -1.633 -1.154 0.000
y -1.154 3.848 0.000
z 0.000 0.000 -2.215
Polar
3z2-r2-4.429
x2-y2-3.654
xy-1.154
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.216 -0.647 0.000
y -0.647 8.674 0.000
z 0.000 0.000 3.910


<r2> (average value of r2) Å2
<r2> 135.984
(<r2>)1/2 11.661