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

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-3070.027314
Energy at 298.15K-3070.032497
Nuclear repulsion energy634.302044
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/6-31G(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 678 671 40.27      
2 A1 579 573 4.71      
3 A1 351 347 22.72      
4 B1 305 302 0.00      
5 B2 540 535 0.00      
6 B2 221 218 0.00      
7 E 665 658 238.95      
7 E 665 658 238.95      
8 E 397 392 3.00      
8 E 397 392 3.00      
9 E 232 230 0.33      
9 E 232 230 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 2629.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 2602.8 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/6-31G(2df,p)
ABC
0.10075 0.10075 0.07010

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

Point Group is C4v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.266
F2 0.000 0.000 -1.463
F3 0.000 1.779 0.107
F4 -1.779 0.000 0.107
F5 0.000 -1.779 0.107
F6 1.779 0.000 0.107

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.72831.78591.78591.78591.7859
F21.72832.37282.37282.37282.3728
F31.78592.37282.51573.55782.5157
F41.78592.37282.51572.51573.5578
F51.78592.37283.55782.51572.5157
F61.78592.37282.51573.55782.5157

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 84.921 F2 Br1 F4 84.921
F2 Br1 F5 84.921 F2 Br1 F6 84.921
F3 Br1 F4 89.551 F3 Br1 F5 169.843
F3 Br1 F6 89.551 F4 Br1 F5 89.551
F4 Br1 F6 169.843 F5 Br1 F6 89.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 1.195      
2 F -0.179      
3 F -0.254      
4 F -0.254      
5 F -0.254      
6 F -0.254      


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 1.045 1.045
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.358 0.000 0.000
y 0.000 -44.358 0.000
z 0.000 0.000 -39.884
Traceless
 xyz
x -2.237 0.000 0.000
y 0.000 -2.237 0.000
z 0.000 0.000 4.474
Polar
3z2-r28.949
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 5.723 0.000 0.000
y 0.000 5.723 0.000
z 0.000 0.000 4.061


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