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

using model chemistry: CCSD=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 CCSD=FULL/6-311G*
 hartrees
Energy at 0K-6996.499554
Energy at 298.15K 
HF Energy-6995.475723
Nuclear repulsion energy213.440695
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 CCSD=FULL/6-311G*
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' 3126 3126 26.38      
2 A' 3113 3113 0.74      
3 A' 3048 3048 24.05      
4 A' 1530 1530 2.93      
5 A' 1514 1514 2.24      
6 A' 1454 1454 6.50      
7 A' 1294 1294 76.71      
8 A' 1097 1097 0.47      
9 A' 997 997 9.18      
10 A' 516 516 5.93      
11 A' 267 267 0.85      
12 A" 3182 3182 8.00      
13 A" 3142 3142 10.00      
14 A" 1521 1521 11.62      
15 A" 1291 1291 0.55      
16 A" 1034 1034 0.67      
17 A" 763 763 5.85      
18 A" 273 273 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14580.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14580.1 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 CCSD=FULL/6-311G*
ABC
0.97613 0.09733 0.09156

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.610 -1.448 0.000
C2 -0.581 -2.393 0.000
I3 0.000 0.643 0.000
H4 1.231 -1.568 0.888
H5 1.231 -1.568 -0.888
H6 -0.222 -3.430 0.000
H7 -1.206 -2.247 0.886
H8 -1.206 -2.247 -0.886

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.52082.17811.09051.09052.14962.17272.1727
C21.52083.09162.18012.18011.09751.09361.0936
I32.17813.09162.68272.68274.07933.25503.2550
H41.09052.18012.68271.77652.52252.52933.0896
H51.09052.18012.68271.77652.52253.08962.5293
H62.14961.09754.07932.52252.52251.77541.7754
H72.17271.09363.25502.52933.08961.77541.7719
H82.17271.09363.25503.08962.52931.77541.7719

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 109.301 C1 C2 H7 111.367
C1 C2 H8 111.367 C2 C1 I3 112.178
C2 C1 H4 112.153 C2 C1 H5 112.153
I3 C1 H4 105.421 I3 C1 H5 105.421
H4 C1 H5 109.081 H6 C2 H7 108.245
H6 C2 H8 108.245 H7 C2 H8 108.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability