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

using model chemistry: B2PLYP=FULL/aug-cc-pVTZ

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-2613.045230
Energy at 298.15K 
HF Energy-2612.899287
Nuclear repulsion energy80.990828
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/aug-cc-pVTZ
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 3211 3081 4.49 125.17 0.07 0.14
2 A1 1398 1341 18.22 1.12 0.20 0.34
3 A1 716 686 16.58 10.42 0.09 0.17
4 B1 134 129 63.69 1.04 0.75 0.86
5 B2 3352 3216 1.33 52.00 0.75 0.86
6 B2 932 895 0.81 0.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4871.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4673.5 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/aug-cc-pVTZ
ABC
9.30439 0.38078 0.36581

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.480
Br2 0.000 0.000 0.367
H3 0.000 0.948 -1.981
H4 0.000 -0.948 -1.981

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.84721.07231.0723
Br21.84722.53222.5322
H31.07232.53221.8962
H41.07232.53221.8962

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 117.849 Br2 C1 H4 117.849
H3 C1 H4 124.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability