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

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G**
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-2610.424171
Energy at 298.15K 
HF Energy-2610.337412
Nuclear repulsion energy80.473548
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=FULL/6-31G**
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 3241 3241 4.65 105.34 0.12 0.21
2 A1 1427 1427 26.18 2.20 0.68 0.81
3 A1 701 701 19.44 8.58 0.23 0.37
4 B1 229i 229i 74.97 0.55 0.75 0.86
5 B2 3402 3402 0.14 56.10 0.75 0.86
6 B2 946 946 1.26 4.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4744.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4744.5 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=FULL/6-31G**
ABC
9.22541 0.37574 0.36103

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.491
Br2 0.000 0.000 0.369
H3 0.000 0.952 -1.991
H4 0.000 -0.952 -1.991

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.86021.07551.0755
Br21.86022.54522.5452
H31.07552.54521.9043
H41.07552.54521.9043

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 117.715 Br2 C1 H4 117.715
H3 C1 H4 124.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability