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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-3070.335562
Energy at 298.15K-3070.340880
Nuclear repulsion energy628.902961
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/cc-pVDZ
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 674 642 45.12      
2 A1 587 559 3.49      
3 A1 374 356 43.74      
4 B1 310 295 0.00      
5 B2 568 541 0.00      
6 B2 227 217 0.00      
7 E 702 668 260.07      
7 E 702 668 260.07      
8 E 395 376 8.41      
8 E 395 376 8.41      
9 E 243 232 1.71      
9 E 243 232 1.71      

Unscaled Zero Point Vibrational Energy (zpe) 2709.8 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 2581.1 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/cc-pVDZ
ABC
0.09893 0.09893 0.06920

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

Point Group is C4v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.272
F2 0.000 0.000 -1.485
F3 0.000 1.790 0.106
F4 -1.790 0.000 0.106
F5 0.000 -1.790 0.106
F6 1.790 0.000 0.106

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.75731.79811.79811.79811.7981
F21.75732.39532.39532.39532.3953
F31.79812.39532.53203.58092.5320
F41.79812.39532.53202.53203.5809
F51.79812.39533.58092.53202.5320
F61.79812.39532.53203.58092.5320

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 84.698 F2 Br1 F4 84.698
F2 Br1 F5 84.698 F2 Br1 F6 84.698
F3 Br1 F4 89.511 F3 Br1 F5 169.395
F3 Br1 F6 89.511 F4 Br1 F5 89.511
F4 Br1 F6 169.395 F5 Br1 F6 89.511
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability