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

using model chemistry: CCSD/aug-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 CCSD/aug-cc-pVQZ
 hartrees
Energy at 0K-2612.615769
Energy at 298.15K 
HF Energy-2612.098084
Nuclear repulsion energy89.803122
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/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD/aug-cc-pVQZ
ABC
5.26397 0.32443 0.32443

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVQZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.508
Br2 0.000 0.000 0.417
H3 0.000 1.029 -1.844
H4 0.891 -0.515 -1.844
H5 -0.891 -0.515 -1.844

Atom - Atom Distances (Å)
  C1 Br2 H3 H4 H5
C11.92461.08251.08251.0825
Br21.92462.48352.48352.4835
H31.08252.48351.78261.7826
H41.08252.48351.78261.7826
H51.08252.48351.78261.7826

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 108.057 Br2 C1 H4 108.057
Br2 C1 H5 108.057 H3 C1 H4 110.847
H3 C1 H5 110.847 H4 C1 H5 110.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability