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

using model chemistry: B2PLYP=FULLultrafine/6-311G*

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 B2PLYP=FULLultrafine/6-311G*
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULLultrafine/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B2PLYP=FULLultrafine/6-311G*
 hartrees
Energy at 0K-2613.002594
Energy at 298.15K 
HF Energy-2612.801654
Nuclear repulsion energy80.519958
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 B2PLYP=FULLultrafine/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 3203 3203 7.35 109.69 0.14 0.25
2 A1 1418 1418 20.91 0.84 0.75 0.86
3 A1 708 708 19.13 8.14 0.26 0.42
4 B1 164i 164i 93.35 0.01 0.75 0.86
5 B2 3361 3361 0.01 57.65 0.75 0.86
6 B2 952 952 2.67 4.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4738.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4738.5 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 B2PLYP=FULLultrafine/6-311G*
ABC
9.23146 0.37622 0.36149

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.489
Br2 0.000 0.000 0.369
H3 0.000 0.952 -1.992
H4 0.000 -0.952 -1.992

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.85851.07651.0765
Br21.85852.54602.5460
H31.07652.54601.9036
H41.07652.54601.9036

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 117.850 Br2 C1 H4 117.850
H3 C1 H4 124.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability