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All results from a given calculation for BrF5 (bromine pentafluoride)

using model chemistry: HF/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-131.817167
Energy at 298.15K-131.822231
Nuclear repulsion energy166.698431
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/CEP-31G
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 642 579 20.26      
2 A1 563 508 4.07      
3 A1 359 323 88.05      
4 B1 285 257 0.00      
5 B2 566 510 0.00      
6 B2 221 199 0.00      
7 E 693 625 307.30      
7 E 693 625 307.30      
8 E 370 333 10.96      
8 E 370 333 10.96      
9 E 216 194 1.35      
9 E 216 194 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 2595.9 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 2340.0 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/CEP-31G
ABC
0.09348 0.09348 0.06558

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C4v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.310
F2 0.000 0.000 -1.518
F3 0.000 1.839 0.079
F4 -1.839 0.000 0.079
F5 0.000 -1.839 0.079
F6 1.839 0.000 0.079

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.82781.85361.85361.85361.8536
F21.82782.43572.43572.43572.4357
F31.85362.43572.60103.67842.6010
F41.85362.43572.60102.60103.6784
F51.85362.43573.67842.60102.6010
F61.85362.43572.60103.67842.6010

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 82.843 F2 Br1 F4 82.843
F2 Br1 F5 82.843 F2 Br1 F6 82.843
F3 Br1 F4 89.111 F3 Br1 F5 165.686
F3 Br1 F6 89.111 F4 Br1 F5 89.111
F4 Br1 F6 165.686 F5 Br1 F6 89.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 1.911      
2 F -0.241      
3 F -0.417      
4 F -0.417      
5 F -0.417      
6 F -0.417      


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 2.614 2.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.428 0.000 0.000
y 0.000 -49.428 0.000
z 0.000 0.000 -38.490
Traceless
 xyz
x -5.469 0.000 0.000
y 0.000 -5.469 0.000
z 0.000 0.000 10.938
Polar
3z2-r221.876
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 7.573 0.000 0.000
y 0.000 7.573 0.000
z 0.000 0.000 3.598


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