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

using model chemistry: MP3=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 MP3=FULL/6-31G
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP3=FULL/6-31G
 hartrees
Energy at 0K-2608.855225
Energy at 298.15K 
HF Energy-2608.720774
Nuclear repulsion energy78.327625
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 MP3=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 3236 3236 4.61      
2 A1 1446 1446 31.47      
3 A1 644 644 16.46      
4 B1 21 21 106.44      
5 B2 3399 3399 0.68      
6 B2 943 943 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 4844.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4844.4 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 MP3=FULL/6-31G
ABC
9.12377 0.35437 0.34113

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.538
Br2 0.000 0.000 0.380
H3 0.000 0.957 -2.040
H4 0.000 -0.957 -2.040

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.91781.08121.0812
Br21.91782.60262.6026
H31.08122.60261.9148
H41.08122.60261.9148

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 117.681 Br2 C1 H4 117.681
H3 C1 H4 124.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability