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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-6998.136638
Energy at 298.15K 
HF Energy-6997.826329
Nuclear repulsion energy212.938434
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3137 3137 26.99 75.58 0.23 0.38
2 A' 3124 3124 0.02 123.89 0.40 0.57
3 A' 3058 3058 25.86 198.82 0.11 0.20
4 A' 1533 1533 2.85 9.62 0.75 0.86
5 A' 1512 1512 2.03 9.63 0.67 0.80
6 A' 1445 1445 5.99 3.61 0.74 0.85
7 A' 1276 1276 87.88 11.77 0.41 0.59
8 A' 1086 1086 0.30 4.51 0.61 0.75
9 A' 987 987 13.52 5.40 0.69 0.82
10 A' 502 502 8.65 30.04 0.28 0.44
11 A' 261 261 1.34 3.76 0.40 0.57
12 A" 3197 3197 8.32 37.22 0.75 0.86
13 A" 3155 3155 10.88 76.43 0.75 0.86
14 A" 1522 1522 12.12 11.91 0.75 0.86
15 A" 1286 1286 0.55 2.03 0.75 0.86
16 A" 1024 1024 0.53 4.64 0.75 0.86
17 A" 762 762 6.24 0.27 0.75 0.86
18 A" 269 269 0.00 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14566.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14566.9 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 B2PLYP=FULL/6-311G*
ABC
0.98152 0.09665 0.09098

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.608 -1.457 0.000
C2 -0.580 -2.400 0.000
I3 0.000 0.646 0.000
H4 1.227 -1.567 0.886
H5 1.227 -1.567 -0.886
H6 -0.218 -3.433 0.000
H7 -1.203 -2.260 0.883
H8 -1.203 -2.260 -0.883

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.51652.18931.08651.08652.14172.16862.1686
C21.51653.10072.17822.17821.09441.08981.0898
I32.18933.10072.68112.68114.08483.26623.2662
H41.08652.17822.68111.77192.52142.52713.0846
H51.08652.17822.68111.77192.52143.08462.5271
H62.14171.09444.08482.52142.52141.76811.7681
H72.16861.08983.26622.52713.08461.76811.7657
H82.16861.08983.26623.08462.52711.76811.7657

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 109.159 C1 C2 H7 111.576
C1 C2 H8 111.576 C2 C1 I3 112.316
C2 C1 H4 112.561 C2 C1 H5 112.561
I3 C1 H4 104.795 I3 C1 H5 104.795
H4 C1 H5 109.253 H6 C2 H7 108.097
H6 C2 H8 108.097 H7 C2 H8 108.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability