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 BrF (Bromine monofluoride)

using model chemistry: MP2/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-2672.366495
Energy at 298.15K-2672.369396
HF Energy-2671.868945
Nuclear repulsion energy94.799608
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/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 692 659 30.35      

Unscaled Zero Point Vibrational Energy (zpe) 345.9 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 329.6 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 MP2/aug-cc-pVTZ
B
0.35608

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.360
F2 0.000 0.000 -1.399

Atom - Atom Distances (Å)
  Br1 F2
Br11.7583
F21.7583

picture of Bromine monofluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability