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

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-2611.675964
Energy at 298.15K 
HF Energy-2611.372682
Nuclear repulsion energy80.196866
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/aug-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 3195 3195 5.68      
2 A1 1398 1398 23.17      
3 A1 712 712 15.29      
4 B1 64i 64i 61.45      
5 B2 3349 3349 0.48      
6 B2 927 927 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 4758.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4758.2 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/aug-cc-pVDZ
ABC
9.03063 0.37373 0.35888

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.494
Br2 0.000 0.000 0.370
H3 0.000 0.962 -2.002
H4 0.000 -0.962 -2.002

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.86411.08811.0881
Br21.86412.55972.5597
H31.08812.55971.9247
H41.08812.55971.9247

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 124.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability