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

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K0.015021
HF Energy0.015021
Nuclear repulsion energy32.326852
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 PM3
Rotational Constants (cm-1) from geometry optimized at PM3
ABC
5.22429 0.27570 0.27570

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.716
I2 0.000 0.000 0.312
H3 0.000 1.033 -2.074
H4 0.895 -0.517 -2.074
H5 -0.895 -0.517 -2.074

Atom - Atom Distances (Å)
  C1 I2 H3 H4 H5
C12.02761.09331.09331.0933
I22.02762.59962.59962.5996
H31.09332.59961.78931.7893
H41.09332.59961.78931.7893
H51.09332.59961.78931.7893

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 109.107 I2 C1 H4 109.107
I2 C1 H5 109.107 H3 C1 H4 109.833
H3 C1 H5 109.833 H4 C1 H5 109.833
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability