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

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-2612.276866
Energy at 298.15K 
HF Energy-2611.994645
Nuclear repulsion energy89.309387
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 3158 3158 19.93      
2 A1 1407 1407 28.56      
3 A1 650 650 10.90      
4 E 3266 3266 4.80      
4 E 3266 3266 4.80      
5 E 1522 1522 5.08      
5 E 1522 1522 5.08      
6 E 1007 1007 5.60      
6 E 1007 1007 5.60      

Unscaled Zero Point Vibrational Energy (zpe) 8402.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8402.8 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
5.25693 0.32051 0.32051

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 -1.517
Br2 0.000 0.000 0.419
H3 0.000 1.030 -1.857
H4 0.892 -0.515 -1.857
H5 -0.892 -0.515 -1.857

Atom - Atom Distances (Å)
  C1 Br2 H3 H4 H5
C11.93611.08461.08461.0846
Br21.93612.49852.49852.4985
H31.08462.49851.78381.7838
H41.08462.49851.78381.7838
H51.08462.49851.78381.7838

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 108.284 Br2 C1 H4 108.284
Br2 C1 H5 108.284 H3 C1 H4 110.632
H3 C1 H5 110.632 H4 C1 H5 110.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability