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All results from a given calculation for CH2Br (bromomethyl radical)

using model chemistry: CID/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2V 2A1

Conformer 1 (CS)

Jump to S1C2
Vibrational Frequencies calculated at CID/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CID/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CID/cc-pVDZ
 hartrees
Energy at 0K-2611.619288
Energy at 298.15K 
HF Energy-2611.367789
Nuclear repulsion energy80.333280
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/cc-pVDZ
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 3253 3006 4.45      
2 A1 1420 1312 25.16      
3 A1 727 672 16.92      
4 B1 251i 232i 66.22      
5 B2 3411 3151 0.69      
6 B2 942 870 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 4750.7 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 4389.6 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/cc-pVDZ
ABC
9.08934 0.37494 0.36009

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.490
Br2 0.000 0.000 0.370
H3 0.000 0.959 -2.002
H4 0.000 -0.959 -2.002

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.86031.08711.0871
Br21.86032.55842.5584
H31.08712.55841.9185
H41.08712.55841.9185

picture of bromomethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 118.068 Br2 C1 H4 118.068
H3 C1 H4 123.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability