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

using model chemistry: MP2/daug-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 MP2/daug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP2/daug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/daug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP2/daug-cc-pVDZ
 hartrees
Energy at 0K-2611.639579
Energy at 298.15K 
HF Energy-2611.373327
Nuclear repulsion energy80.528893
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 MP2/daug-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 3226 3226 5.09 131.08 0.07 0.14
2 A1 1416 1416 22.76 1.25 0.25 0.40
3 A1 728 728 18.19 8.59 0.08 0.15
4 B1 177i 177i 63.21 0.58 0.75 0.86
5 B2 3390 3390 1.67 50.10 0.75 0.86
6 B2 942 942 0.73 0.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4762.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4762.9 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 MP2/daug-cc-pVDZ
ABC
9.07262 0.37697 0.36193

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.487
Br2 0.000 0.000 0.369
H3 0.000 0.960 -1.994
H4 0.000 -0.960 -1.994

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.85591.08561.0856
Br21.85592.55022.5502
H31.08562.55021.9202
H41.08562.55021.9202

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 117.822 Br2 C1 H4 117.822
H3 C1 H4 124.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability