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

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-2612.907020
Energy at 298.15K 
HF Energy-2612.814652
Nuclear repulsion energy80.356251
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/aug-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 3199 3079 4.77 127.71 0.07 0.14
2 A1 1389 1336 20.27 0.81 0.17 0.29
3 A1 708 681 18.25 11.07 0.12 0.21
4 B1 136 131 64.69 0.90 0.75 0.86
5 B2 3365 3238 1.23 53.49 0.75 0.86
6 B2 932 897 0.89 0.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4864.5 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 4681.1 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/aug-cc-pVDZ
ABC
9.05691 0.37521 0.36028

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.492
Br2 0.000 0.000 0.370
H3 0.000 0.961 -1.994
H4 0.000 -0.961 -1.994

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.86131.08421.0842
Br21.86132.55122.5512
H31.08422.55121.9219
H41.08422.55121.9219

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 117.582 Br2 C1 H4 117.582
H3 C1 H4 124.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability