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All results from a given calculation for CHBr2 (dibromomethyl radical)

using model chemistry: CCSD=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-5183.584945
Energy at 298.15K 
HF Energy-5183.166598
Nuclear repulsion energy335.821663
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/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
A' 3249 3249 0.92      
A' 626 626 7.84      
A' 450 450 23.60      
A' 187 187 0.10      
A" 1192 1192 61.69      
A" 796 796 99.38      

Unscaled Zero Point Vibrational Energy (zpe) 3250.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3250.2 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/cc-pVDZ
ABC
1.26006 0.04053 0.03930

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.006 0.837 0.000
H2 -0.489 1.811 0.000
Br3 0.006 -0.098 1.623
Br4 0.006 -0.098 -1.623

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4
C11.09321.87251.8725
H21.09322.55392.5539
Br31.87252.55393.2458
Br41.87252.55393.2458

picture of dibromomethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 116.409 H2 C1 Br4 116.409
Br3 C1 Br4 120.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability