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

using model chemistry: CCSD=FULL/6-31G(2df,p)

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 CCSD=FULL/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-2609.458686
Energy at 298.15K 
HF Energy-2609.053386
Nuclear repulsion energy81.818511
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 CCSD=FULL/6-31G(2df,p)
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 3249 3059 2.91      
2 A1 1438 1354 16.46      
3 A1 771 726 12.75      
4 B1 108 102 60.85      
5 B2 3393 3195 0.62      
6 B2 965 908 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 4961.6 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 4671.8 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 CCSD=FULL/6-31G(2df,p)
ABC
9.40244 0.38918 0.37371

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.460
Br2 0.000 0.000 0.363
H3 0.000 0.943 -1.977
H4 0.000 -0.943 -1.977

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.82311.07561.0756
Br21.82312.52322.5232
H31.07562.52321.8863
H41.07562.52321.8863

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 118.739 Br2 C1 H4 118.739
H3 C1 H4 122.523
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability