return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for BrF (Bromine monofluoride)

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-2673.466290
Energy at 298.15K 
HF Energy-2673.466290
Nuclear repulsion energy93.116901
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 PBEPBE/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 655 650 27.69      

Unscaled Zero Point Vibrational Energy (zpe) 327.5 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 324.8 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 PBEPBE/6-311+G(3df,2p)
B
0.34355

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.366
F2 0.000 0.000 -1.424

Atom - Atom Distances (Å)
  Br1 F2
Br11.7901
F21.7901

picture of Bromine monofluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.289      
2 F -0.289      


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 1.300 1.300
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.402 0.000 0.000
y 0.000 -23.402 0.000
z 0.000 0.000 -22.179
Traceless
 xyz
x -0.611 0.000 0.000
y 0.000 -0.611 0.000
z 0.000 0.000 1.222
Polar
3z2-r22.445
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 3.170 0.000 0.000
y 0.000 3.170 0.000
z 0.000 0.000 4.221


<r2> (average value of r2) Å2
<r2> 37.303
(<r2>)1/2 6.108