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All results from a given calculation for CH3Br (methyl bromide)

using model chemistry: MP2=FULL/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/cc-pVQZ
 hartrees
Energy at 0K-2612.702783
Energy at 298.15K 
HF Energy-2612.097906
Nuclear repulsion energy90.173454
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 MP2=FULL/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVQZ
ABC
5.30603 0.32716 0.32716

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVQZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.501
Br2 0.000 0.000 0.415
H3 0.000 1.025 -1.838
H4 0.888 -0.513 -1.838
H5 -0.888 -0.513 -1.838

Atom - Atom Distances (Å)
  C1 Br2 H3 H4 H5
C11.91601.07891.07891.0789
Br21.91602.47482.47482.4748
H31.07892.47481.77551.7755
H41.07892.47481.77551.7755
H51.07892.47481.77551.7755

picture of methyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 108.176 Br2 C1 H4 108.176
Br2 C1 H5 108.176 H3 C1 H4 110.735
H3 C1 H5 110.735 H4 C1 H5 110.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability