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

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C4V 1A1
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-3058.541662
Energy at 298.15K-3058.547026
Nuclear repulsion energy638.820578
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 B1B95/3-21G*
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 737 703 42.88      
2 A1 645 616 1.49      
3 A1 368 351 36.62      
4 B1 303 289 0.00      
5 B2 626 598 0.00      
6 B2 219 209 0.00      
7 E 771 737 221.44      
7 E 771 737 221.44      
8 E 379 362 9.22      
8 E 379 362 9.22      
9 E 235 224 1.50      
9 E 235 224 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 2833.5 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 2705.7 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 B1B95/3-21G*
ABC
0.10210 0.10210 0.07159

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C4v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.276
F2 0.000 0.000 -1.463
F3 0.000 1.760 0.097
F4 -1.760 0.000 0.097
F5 0.000 -1.760 0.097
F6 1.760 0.000 0.097

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.73891.76941.76941.76941.7694
F21.73892.35192.35192.35192.3519
F31.76942.35192.48943.52052.4894
F41.76942.35192.48942.48943.5205
F51.76942.35193.52052.48942.4894
F61.76942.35192.48943.52052.4894

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 84.187 F2 Br1 F4 84.187
F2 Br1 F5 84.187 F2 Br1 F6 84.187
F3 Br1 F4 89.412 F3 Br1 F5 168.373
F3 Br1 F6 89.412 F4 Br1 F5 89.412
F4 Br1 F6 168.373 F5 Br1 F6 89.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 1.367      
2 F -0.227      
3 F -0.285      
4 F -0.285      
5 F -0.285      
6 F -0.285      


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 1.660 1.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.454 0.000 0.000
y 0.000 -44.454 0.000
z 0.000 0.000 -39.189
Traceless
 xyz
x -2.632 0.000 0.000
y 0.000 -2.632 0.000
z 0.000 0.000 5.265
Polar
3z2-r210.530
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 4.212 0.000 0.000
y 0.000 4.212 0.000
z 0.000 0.000 2.557


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