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All results from a given calculation for CBr3 (tribromomethyl radical)

using model chemistry: B2PLYP=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-7752.318443
Energy at 298.15K 
HF Energy-7752.039733
Nuclear repulsion energy795.310922
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 B2PLYP=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 317 317 0.37 13.49 0.06 0.11
2 A1 232 232 1.04 0.06 0.27 0.42
3 E 831 831 112.93 0.20 0.75 0.86
3 E 831 831 112.93 0.20 0.75 0.86
4 E 167 167 0.03 1.99 0.75 0.86
4 E 167 167 0.03 1.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1272.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1272.1 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 B2PLYP=FULL/6-31G(2df,p)
ABC
0.04260 0.04260 0.02135

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.260
Br2 0.000 1.826 -0.015
Br3 1.582 -0.913 -0.015
Br4 -1.582 -0.913 -0.015

Atom - Atom Distances (Å)
  C1 Br2 Br3 Br4
C11.84681.84681.8468
Br21.84683.16323.1632
Br31.84683.16323.1632
Br41.84683.16323.1632

picture of tribromomethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Br3 117.832 Br2 C1 Br4 117.832
Br3 C1 Br4 117.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability