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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C4V 1A1
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-3058.357577
Energy at 298.15K-3058.362985
Nuclear repulsion energy637.813560
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 mPW1PW91/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 734 697 42.21      
2 A1 645 612 1.65      
3 A1 371 353 37.73      
4 B1 309 294 0.00      
5 B2 623 592 0.00      
6 B2 222 211 0.00      
7 E 769 730 224.08      
7 E 769 730 224.08      
8 E 389 369 9.10      
8 E 389 369 9.10      
9 E 239 227 1.62      
9 E 239 227 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 2849.2 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 2705.6 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 mPW1PW91/3-21G*
ABC
0.10174 0.10174 0.07137

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C4v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.275
F2 0.000 0.000 -1.467
F3 0.000 1.763 0.100
F4 -1.763 0.000 0.100
F5 0.000 -1.763 0.100
F6 1.763 0.000 0.100

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.74181.77171.77171.77171.7717
F21.74182.35842.35842.35842.3584
F31.77172.35842.49333.52612.4933
F41.77172.35842.49332.49333.5261
F51.77172.35843.52612.49332.4933
F61.77172.35842.49333.52612.4933

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 84.322 F2 Br1 F4 84.322
F2 Br1 F5 84.322 F2 Br1 F6 84.322
F3 Br1 F4 89.439 F3 Br1 F5 168.644
F3 Br1 F6 89.439 F4 Br1 F5 89.439
F4 Br1 F6 168.644 F5 Br1 F6 89.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 1.395      
2 F -0.232      
3 F -0.291      
4 F -0.291      
5 F -0.291      
6 F -0.291      


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 1.648 1.648
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.609 0.000 0.000
y 0.000 -44.609 0.000
z 0.000 0.000 -39.266
Traceless
 xyz
x -2.671 0.000 0.000
y 0.000 -2.671 0.000
z 0.000 0.000 5.343
Polar
3z2-r210.686
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 4.216 0.000 0.000
y 0.000 4.216 0.000
z 0.000 0.000 2.557


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