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

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ-PP
 hartrees
Energy at 0K-374.884482
Energy at 298.15K 
HF Energy-374.884482
Nuclear repulsion energy120.368668
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 TPSSh/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' 3100 3100 19.41 88.10 0.10 0.18
2 A' 3084 3084 2.38 113.75 0.44 0.61
3 A' 3016 3016 25.39 253.30 0.12 0.22
4 A' 1509 1509 1.45 6.83 0.74 0.85
5 A' 1489 1489 0.78 5.95 0.73 0.84
6 A' 1416 1416 3.64 2.98 0.61 0.76
7 A' 1231 1231 81.96 13.15 0.34 0.50
8 A' 1062 1062 0.28 3.69 0.51 0.68
9 A' 964 964 14.01 4.41 0.64 0.78
10 A' 501 501 8.05 28.51 0.22 0.37
11 A' 246 246 1.26 4.09 0.31 0.47
12 A" 3161 3161 6.01 36.54 0.75 0.86
13 A" 3113 3113 10.19 66.35 0.75 0.86
14 A" 1494 1494 9.61 8.73 0.75 0.86
15 A" 1261 1261 0.19 0.80 0.75 0.86
16 A" 987 987 0.18 2.58 0.75 0.86
17 A" 741 741 4.30 0.08 0.75 0.86
18 A" 251 251 0.00 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14312.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14312.7 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 TPSSh/cc-pVTZ-PP
ABC
0.98051 0.09775 0.09196

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.609 -1.449 0.000
C2 -0.580 -2.387 0.000
I3 0.000 0.642 0.000
H4 1.226 -1.547 0.889
H5 1.226 -1.547 -0.889
H6 -0.219 -3.421 0.000
H7 -1.202 -2.243 0.884
H8 -1.202 -2.243 -0.884

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.51462.17791.08661.08662.13882.16562.1656
C21.51463.08422.18152.18151.09561.09031.0903
I32.17793.08422.66182.66184.06913.24793.2479
H41.08662.18152.66181.77742.52782.52553.0858
H51.08662.18152.66181.77742.52783.08582.5255
H62.13881.09564.06912.52782.52781.77101.7710
H72.16561.09033.24792.52553.08581.77101.7688
H82.16561.09033.24793.08582.52551.77101.7688

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 108.993 C1 C2 H7 111.436
C1 C2 H8 111.436 C2 C1 I3 112.037
C2 C1 H4 112.969 C2 C1 H5 112.969
I3 C1 H4 104.209 I3 C1 H5 104.209
H4 C1 H5 109.754 H6 C2 H7 108.229
H6 C2 H8 108.229 H7 C2 H8 108.414
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 C -0.219      
3 I -0.100      
4 H 0.110      
5 H 0.110      
6 H 0.081      
7 H 0.097      
8 H 0.097      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.390 -2.081 0.000 2.117
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.177 -0.130 0.000
y -0.130 11.026 0.000
z 0.000 0.000 6.785


<r2> (average value of r2) Å2
<r2> 121.769
(<r2>)1/2 11.035