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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/STO-3G
 hartrees
Energy at 0K-6930.470368
Energy at 298.15K 
HF Energy-6930.429694
Nuclear repulsion energy213.247160
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 B2PLYP=FULL/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' 3521 3521 0.47 42.27 0.71 0.83
2 A' 3387 3387 1.80 38.57 0.14 0.25
3 A' 3353 3353 1.36 52.00 0.03 0.05
4 A' 1709 1709 1.08 7.69 0.74 0.85
5 A' 1679 1679 1.99 20.98 0.75 0.86
6 A' 1597 1597 1.03 6.98 0.62 0.77
7 A' 1423 1423 58.88 1.73 0.26 0.42
8 A' 1169 1169 2.15 5.26 0.60 0.75
9 A' 1084 1084 5.94 4.79 0.74 0.85
10 A' 617 617 5.36 19.29 0.33 0.49
11 A' 281 281 1.05 3.13 0.51 0.67
12 A" 3536 3536 1.14 13.99 0.75 0.86
13 A" 3502 3502 0.69 41.81 0.75 0.86
14 A" 1703 1703 3.04 18.04 0.75 0.86
15 A" 1402 1402 0.03 11.74 0.75 0.86
16 A" 1129 1129 1.41 5.55 0.75 0.86
17 A" 817 817 2.80 0.80 0.75 0.86
18 A" 249 249 0.10 0.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16077.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16077.7 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 B2PLYP=FULL/STO-3G
ABC
0.97179 0.09685 0.09112

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.609 -1.419 0.000
C2 -0.584 -2.413 0.000
I3 0.000 0.644 0.000
H4 1.237 -1.583 0.891
H5 1.237 -1.583 -0.891
H6 -0.201 -3.446 0.000
H7 -1.212 -2.276 0.892
H8 -1.212 -2.276 -0.892

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.55392.15141.10211.10212.18362.20212.2021
C21.55393.11332.19122.19121.10151.09981.0998
I32.15143.11332.69942.69944.09573.28553.2855
H41.10212.19122.69941.78132.51692.54563.1080
H51.10212.19122.69941.78132.51693.10802.5456
H62.18361.10154.09572.51692.51691.78531.7853
H72.20211.09983.28552.54563.10801.78531.7849
H82.20211.09983.28553.10802.54561.78531.7849

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 109.461 C1 C2 H7 111.009
C1 C2 H8 111.009 C2 C1 I3 113.347
C2 C1 H4 110.016 C2 C1 H5 110.016
I3 C1 H4 107.722 I3 C1 H5 107.722
H4 C1 H5 107.832 H6 C2 H7 108.401
H6 C2 H8 108.401 H7 C2 H8 108.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability