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

using model chemistry: HSEh1PBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at HSEh1PBE/Def2TZVPP
 hartrees
Energy at 0K-7759.528281
Energy at 298.15K 
HF Energy-7759.528281
Nuclear repulsion energy788.166297
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 HSEh1PBE/Def2TZVPP
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 318 318 0.61 15.32 0.06 0.11
2 A1 233 233 0.99 0.13 0.67 0.80
3 E 794 794 129.40 1.07 0.75 0.86
3 E 794 794 129.42 1.07 0.75 0.86
4 E 161 161 0.00 2.50 0.75 0.86
4 E 161 161 0.00 2.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1230.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1230.7 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 HSEh1PBE/Def2TZVPP
ABC
0.04185 0.04185 0.02097

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.272
Br2 0.000 1.842 -0.016
Br3 1.596 -0.921 -0.016
Br4 -1.596 -0.921 -0.016

Atom - Atom Distances (Å)
  C1 Br2 Br3 Br4
C11.86481.86481.8648
Br21.86483.19133.1913
Br31.86483.19133.1913
Br41.86483.19133.1913

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 117.664 Br2 C1 Br4 117.664
Br3 C1 Br4 117.664
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 Br 0.026      
3 Br 0.026      
4 Br 0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.183 0.183
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.846 0.000 0.000
y 0.000 -57.846 0.000
z 0.000 0.000 -60.762
Traceless
 xyz
x 1.458 0.000 0.000
y 0.000 1.458 0.000
z 0.000 0.000 -2.916
Polar
3z2-r2-5.831
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.334 0.000 0.000
y 0.000 12.334 -0.000
z 0.000 -0.000 6.887


<r2> (average value of r2) Å2
<r2> 393.652
(<r2>)1/2 19.841