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: MP2/6-31G(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 MP2/6-31G(2df,p)
 hartrees
Energy at 0K-3068.319933
Energy at 298.15K 
Nuclear repulsion energy648.677439
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 MP2/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at MP2/6-31G(2df,p)
ABC
0.10557 0.10557 0.07345

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C4v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.274
F2 0.000 0.000 -1.422
F3 0.000 1.738 0.089
F4 -1.738 0.000 0.089
F5 0.000 -1.738 0.089
F6 1.738 0.000 0.089

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.69581.74781.74781.74781.7478
F21.69582.30252.30252.30252.3025
F31.74782.30252.45783.47582.4578
F41.74782.30252.45782.45783.4758
F51.74782.30253.47582.45782.4578
F61.74782.30252.45783.47582.4578

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 83.911 F2 Br1 F4 83.911
F2 Br1 F5 83.911 F2 Br1 F6 83.911
F3 Br1 F4 89.355 F3 Br1 F5 167.823
F3 Br1 F6 89.355 F4 Br1 F5 89.355
F4 Br1 F6 167.823 F5 Br1 F6 89.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability