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 BrF5 (bromine pentafluoride)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C4V 1A1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-3066.942449
Energy at 298.15K-3066.948646
Nuclear repulsion energy667.282861
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 HF/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 848 768 56.39      
2 A1 692 627 1.15      
3 A1 491 444 59.68      
4 B1 391 354 0.00      
5 B2 671 608 0.00      
6 B2 308 279 0.00      
7 E 763 691 368.38      
7 E 763 691 368.38      
8 E 524 475 15.27      
8 E 524 475 15.27      
9 E 299 270 0.23      
9 E 299 270 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 3286.3 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 2975.8 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 HF/6-31G(2df,p)
ABC
0.11183 0.11183 0.07776

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

Point Group is C4v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.273
F2 0.000 0.000 -1.377
F3 0.000 1.689 0.079
F4 -1.689 0.000 0.079
F5 0.000 -1.689 0.079
F6 1.689 0.000 0.079

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.64961.70021.70021.70021.7002
F21.64962.22952.22952.22952.2295
F31.70022.22952.38873.37812.3887
F41.70022.22952.38872.38873.3781
F51.70022.22953.37812.38872.3887
F61.70022.22952.38873.37812.3887

picture of bromine pentafluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Br1 F3 83.440 F2 Br1 F4 83.440
F2 Br1 F5 83.440 F2 Br1 F6 83.440
F3 Br1 F4 89.252 F3 Br1 F5 166.880
F3 Br1 F6 89.252 F4 Br1 F5 89.252
F4 Br1 F6 166.880 F5 Br1 F6 89.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 2.278      
2 F -0.377      
3 F -0.475      
4 F -0.475      
5 F -0.475      
6 F -0.475      


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 1.285 1.285
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.962 0.000 0.000
y 0.000 -44.962 0.000
z 0.000 0.000 -40.238
Traceless
 xyz
x -2.362 0.000 0.000
y 0.000 -2.362 0.000
z 0.000 0.000 4.724
Polar
3z2-r29.449
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 4.682 0.000 0.000
y 0.000 4.682 0.000
z 0.000 0.000 3.363


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000