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

using model chemistry: MP3=FULL/6-31G**

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 MP3=FULL/6-31G**
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP3=FULL/6-31G**
 hartrees
Energy at 0K-2609.153837
Energy at 298.15K 
HF Energy-2608.870623
Nuclear repulsion energy80.389202
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 MP3=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3305 3305 4.61      
2 A1 1463 1463 31.00      
3 A1 708 708 17.15      
4 B1 295i 295i 69.93      
5 B2 3466 3466 0.15      
6 B2 961 961 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 4804.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4804.3 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 MP3=FULL/6-31G**
ABC
9.31862 0.37452 0.36005

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.493
Br2 0.000 0.000 0.370
H3 0.000 0.947 -1.994
H4 0.000 -0.947 -1.994

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.86331.07161.0716
Br21.86332.54692.5469
H31.07162.54691.8947
H41.07162.54691.8947

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 117.867 Br2 C1 H4 117.867
H3 C1 H4 124.265
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability