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

using model chemistry: B3LYPultrafine/cc-pVTZ-PP

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/cc-pVTZ-PP
 hartrees
Energy at 0K-375.066010
Energy at 298.15K 
HF Energy-375.066010
Nuclear repulsion energy120.005348
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/cc-pVTZ-PP
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' 3104 3104 16.24 88.91 0.06 0.12
2 A' 3083 3083 3.80 107.10 0.51 0.67
3 A' 3019 3019 23.52 252.79 0.13 0.23
4 A' 1500 1500 1.82 6.86 0.74 0.85
5 A' 1485 1485 1.14 6.15 0.72 0.84
6 A' 1417 1417 4.35 2.97 0.61 0.76
7 A' 1237 1237 79.93 15.56 0.34 0.51
8 A' 1063 1063 0.14 3.61 0.55 0.71
9 A' 969 969 15.70 4.68 0.64 0.78
10 A' 494 494 8.53 29.78 0.23 0.38
11 A' 253 253 1.33 4.81 0.30 0.46
12 A" 3163 3163 4.89 38.36 0.75 0.86
13 A" 3111 3111 9.75 64.91 0.75 0.86
14 A" 1486 1486 10.33 8.73 0.75 0.86
15 A" 1261 1261 0.23 0.78 0.75 0.86
16 A" 993 993 0.14 2.65 0.75 0.86
17 A" 750 750 4.75 0.10 0.75 0.86
18 A" 253 253 0.00 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14319.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14319.9 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/cc-pVTZ-PP
ABC
0.98674 0.09669 0.09106

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ-PP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.606 -1.458 0.000
C2 -0.578 -2.400 0.000
I3 0.000 0.646 0.000
H4 1.224 -1.556 0.886
H5 1.224 -1.556 -0.886
H6 -0.215 -3.432 0.000
H7 -1.201 -2.262 0.882
H8 -1.201 -2.262 -0.882

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.51282.18911.08471.08472.13802.16542.1654
C21.51283.10002.17782.17781.09411.08901.0890
I32.18913.10002.67012.67014.08353.26723.2672
H41.08472.17782.67011.77262.52482.52493.0828
H51.08472.17782.67011.77262.52483.08282.5249
H62.13801.09414.08352.52482.52481.76651.7665
H72.16541.08903.26722.52493.08281.76651.7650
H82.16541.08903.26723.08282.52491.76651.7650

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 109.140 C1 C2 H7 111.628
C1 C2 H8 111.628 C2 C1 I3 112.451
C2 C1 H4 112.906 C2 C1 H5 112.906
I3 C1 H4 104.146 I3 C1 H5 104.146
H4 C1 H5 109.592 H6 C2 H7 108.025
H6 C2 H8 108.025 H7 C2 H8 108.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.222      
2 C -0.282      
3 I -0.086      
4 H 0.130      
5 H 0.130      
6 H 0.104      
7 H 0.113      
8 H 0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.383 -2.017 0.000 2.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.149 -1.262 0.000
y -1.262 -37.219 0.000
z 0.000 0.000 -41.433
Traceless
 xyz
x -1.823 -1.262 0.000
y -1.262 4.072 0.000
z 0.000 0.000 -2.249
Polar
3z2-r2-4.497
x2-y2-3.930
xy-1.262
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.115 -0.155 0.000
y -0.155 11.026 0.000
z 0.000 0.000 6.731


<r2> (average value of r2) Å2
<r2> 122.792
(<r2>)1/2 11.081