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All results from a given calculation for C2H5I (Ethyl iodide)

using model chemistry: B3LYPultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-311G*
 hartrees
Energy at 0K-6998.775379
Energy at 298.15K 
HF Energy-6998.775379
Nuclear repulsion energy211.958264
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 B3LYPultrafine/6-311G*
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' 3110 3005 23.54 80.75 0.07 0.13
2 A' 3091 2986 4.45 118.59 0.55 0.71
3 A' 3025 2923 27.95 230.03 0.14 0.25
4 A' 1517 1466 2.85 10.02 0.75 0.85
5 A' 1497 1446 1.94 9.21 0.69 0.81
6 A' 1429 1380 5.70 4.61 0.72 0.83
7 A' 1256 1214 92.07 14.00 0.40 0.58
8 A' 1072 1036 0.19 4.71 0.66 0.80
9 A' 974 941 16.85 5.80 0.65 0.79
10 A' 485 469 10.28 31.46 0.28 0.44
11 A' 255 247 1.71 4.37 0.39 0.56
12 A" 3169 3063 8.86 40.87 0.75 0.86
13 A" 3119 3014 12.74 76.62 0.75 0.86
14 A" 1504 1453 12.11 12.17 0.75 0.86
15 A" 1272 1229 0.56 1.86 0.75 0.86
16 A" 1009 975 0.39 4.65 0.75 0.86
17 A" 755 730 6.51 0.29 0.75 0.86
18 A" 261 252 0.01 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14400.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 13914.7 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 B3LYPultrafine/6-311G*
ABC
0.98240 0.09555 0.09002

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.607 -1.468 0.000
C2 -0.579 -2.413 0.000
I3 0.000 0.650 0.000
H4 1.228 -1.571 0.887
H5 1.228 -1.571 -0.887
H6 -0.214 -3.447 0.000
H7 -1.205 -2.278 0.884
H8 -1.205 -2.278 -0.884

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.51632.20291.08731.08732.14262.17222.1722
C21.51633.11702.18142.18141.09641.09131.0913
I32.20293.11702.68802.68804.10233.28683.2868
H41.08732.18142.68801.77332.52662.53283.0902
H51.08732.18142.68801.77332.52663.09022.5328
H62.14261.09644.10232.52662.52661.76891.7689
H72.17221.09133.28682.53283.09021.76891.7677
H82.17221.09133.28683.09022.53281.76891.7677

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 109.125 C1 C2 H7 111.787
C1 C2 H8 111.787 C2 C1 I3 112.568
C2 C1 H4 112.787 C2 C1 H5 112.787
I3 C1 H4 104.391 I3 C1 H5 104.391
H4 C1 H5 109.268 H6 C2 H7 107.910
H6 C2 H8 107.910 H7 C2 H8 108.174
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.574      
2 C -0.596      
3 I -0.022      
4 H 0.259      
5 H 0.259      
6 H 0.216      
7 H 0.229      
8 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.437 -2.181 0.000 2.224
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.735 -1.386 0.000
y -1.386 -38.548 0.000
z 0.000 0.000 -43.058
Traceless
 xyz
x -1.932 -1.386 0.000
y -1.386 4.349 0.000
z 0.000 0.000 -2.417
Polar
3z2-r2-4.834
x2-y2-4.187
xy-1.386
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.022 -0.281 0.000
y -0.281 10.354 0.000
z 0.000 0.000 5.623


<r2> (average value of r2) Å2
<r2> 136.640
(<r2>)1/2 11.689