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

using model chemistry: B97D3/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-6934.979026
Energy at 298.15K 
HF Energy-6934.979026
Nuclear repulsion energy211.524564
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 B97D3/STO-3G
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' 3398 3398 1.17 48.27 0.70 0.83
2 A' 3275 3275 3.55 40.78 0.13 0.23
3 A' 3235 3235 1.72 67.80 0.03 0.06
4 A' 1650 1650 1.36 8.54 0.73 0.84
5 A' 1616 1616 1.33 19.69 0.75 0.86
6 A' 1538 1538 1.20 9.17 0.58 0.74
7 A' 1359 1359 60.86 2.62 0.36 0.53
8 A' 1128 1128 2.40 5.51 0.65 0.79
9 A' 1043 1043 8.24 3.93 0.75 0.86
10 A' 579 579 5.15 18.41 0.33 0.49
11 A' 272 272 1.32 3.65 0.50 0.67
12 A" 3421 3421 2.79 10.15 0.75 0.86
13 A" 3391 3391 1.05 47.79 0.75 0.86
14 A" 1641 1641 3.50 18.11 0.75 0.86
15 A" 1350 1350 0.12 10.84 0.75 0.86
16 A" 1085 1085 1.56 6.28 0.75 0.86
17 A" 792 792 3.50 0.95 0.75 0.86
18 A" 248 248 0.08 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 15510.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15510.7 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 B97D3/STO-3G
ABC
0.95919 0.09537 0.08975

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.614 -1.441 0.000
C2 -0.588 -2.427 0.000
I3 0.000 0.650 0.000
H4 1.244 -1.598 0.898
H5 1.244 -1.598 -0.898
H6 -0.208 -3.468 0.000
H7 -1.217 -2.283 0.898
H8 -1.217 -2.283 -0.898

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.55392.17891.10831.10832.18762.20642.2064
C21.55393.13212.20212.20211.10881.10611.1061
I32.17893.13212.72122.72124.12353.30033.3003
H41.10832.20212.72121.79582.53292.55513.1232
H51.10832.20212.72121.79582.53293.12322.5551
H62.18761.10884.12352.53292.53291.79701.7970
H72.20641.10613.30032.55513.12321.79701.7963
H82.20641.10613.30033.12322.55511.79701.7963

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 109.353 C1 C2 H7 110.968
C1 C2 H8 110.968 C2 C1 I3 113.014
C2 C1 H4 110.500 C2 C1 H5 110.500
I3 C1 H4 107.205 I3 C1 H5 107.205
H4 C1 H5 108.221 H6 C2 H7 108.450
H6 C2 H8 108.450 H7 C2 H8 108.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.193      
2 C -0.210      
3 I -0.020      
4 H 0.090      
5 H 0.090      
6 H 0.080      
7 H 0.081      
8 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.414 -1.833 0.000 1.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.201 -0.787 0.000
y -0.787 -37.244 0.000
z 0.000 0.000 -39.415
Traceless
 xyz
x -0.872 -0.787 0.000
y -0.787 2.064 0.000
z 0.000 0.000 -1.192
Polar
3z2-r2-2.384
x2-y2-1.957
xy-0.787
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.983 -0.584 0.000
y -0.584 5.053 0.000
z 0.000 0.000 1.774


<r2> (average value of r2) Å2
<r2> 135.511
(<r2>)1/2 11.641