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

using model chemistry: CCSD(T)=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(T)=FULL/6-311G*
 hartrees
Energy at 0K-6996.516247
Energy at 298.15K 
HF Energy-6995.475562
Nuclear repulsion energy212.979102
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(T)=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' 3106 3106        
2 A' 3092 3092        
3 A' 3028 3028        
4 A' 1521 1521        
5 A' 1502 1502        
6 A' 1442 1442        
7 A' 1280 1280        
8 A' 1087 1087        
9 A' 987 987        
10 A' 505 505        
11 A' 263 263        
12 A" 3161 3161        
13 A" 3124 3124        
14 A" 1512 1512        
15 A" 1280 1280        
16 A" 1023 1023        
17 A" 755 755        
18 A" 274 274        

Unscaled Zero Point Vibrational Energy (zpe) 14471.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14471.0 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(T)=FULL/6-311G*
ABC
0.97098 0.09696 0.09119

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.612 -1.453 0.000
C2 -0.583 -2.396 0.000
I3 0.000 0.645 0.000
H4 1.234 -1.573 0.890
H5 1.234 -1.573 -0.890
H6 -0.226 -3.436 0.000
H7 -1.207 -2.248 0.887
H8 -1.207 -2.248 -0.887

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.52272.18501.09231.09232.15292.17472.1747
C21.52273.09662.18412.18411.09931.09501.0950
I32.18503.09662.68942.68944.08713.25743.2574
H41.09232.18412.68941.78042.52832.53243.0939
H51.09232.18412.68941.78042.52833.09392.5324
H62.15291.09934.08712.52832.52831.77861.7786
H72.17471.09503.25742.53243.09391.77861.7743
H82.17471.09503.25743.09392.53241.77861.7743

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 109.326 C1 C2 H7 111.300
C1 C2 H8 111.300 C2 C1 I3 112.029
C2 C1 H4 112.229 C2 C1 H5 112.229
I3 C1 H4 105.371 I3 C1 H5 105.371
H4 C1 H5 109.166 H6 C2 H7 108.298
H6 C2 H8 108.298 H7 C2 H8 108.223
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability