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

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP2/daug-cc-pVTZ
 hartrees
Energy at 0K-2611.845350
Energy at 298.15K 
HF Energy-2611.458888
Nuclear repulsion energy81.472724
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-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 3235 3235 4.44 128.02 0.07 0.13
2 A1 1414 1414 18.66 1.27 0.27 0.42
3 A1 745 745 17.43 7.44 0.06 0.12
4 B1 158i 158i 63.77 0.91 0.75 0.86
5 B2 3389 3389 2.59 47.80 0.75 0.86
6 B2 946 946 0.81 0.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4785.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4785.1 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 MP2/daug-cc-pVTZ
ABC
9.31982 0.38576 0.37043

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.469
Br2 0.000 0.000 0.365
H3 0.000 0.947 -1.974
H4 0.000 -0.947 -1.974

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.83401.07321.0732
Br21.83402.52292.5229
H31.07322.52291.8946
H41.07322.52291.8946

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 118.031 Br2 C1 H4 118.031
H3 C1 H4 123.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability