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All results from a given calculation for CH3I (methyl iodide)

using model chemistry: CID/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CID/6-311G**
 hartrees
Energy at 0K-6956.785198
Energy at 298.15K 
HF Energy-6956.438563
Nuclear repulsion energy119.477214
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 CID/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 A1 3170 3170 14.28      
2 A1 1364 1364 38.82      
3 A1 564 564 2.70      
4 E 3282 3282 1.63      
4 E 3282 3282 1.63      
5 E 1519 1519 5.79      
5 E 1519 1519 5.79      
6 E 941 941 7.01      
6 E 941 941 7.01      

Unscaled Zero Point Vibrational Energy (zpe) 8292.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8292.0 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 CID/6-311G**
ABC
5.25796 0.24932 0.24932

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.817
I2 0.000 0.000 0.328
H3 0.000 1.030 -2.154
H4 0.892 -0.515 -2.154
H5 -0.892 -0.515 -2.154

Atom - Atom Distances (Å)
  C1 I2 H3 H4 H5
C12.14441.08341.08341.0834
I22.14442.68632.68632.6863
H31.08342.68631.78361.7836
H41.08342.68631.78361.7836
H51.08342.68631.78361.7836

picture of methyl iodide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 H3 108.108 I2 C1 H4 108.108
I2 C1 H5 108.108 H3 C1 H4 110.799
H3 C1 H5 110.799 H4 C1 H5 110.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability