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

using model chemistry: MP2=FULL/6-31G**

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=FULL/6-31G**
 hartrees
Energy at 0K-3067.805171
Energy at 298.15K-3067.810537
Nuclear repulsion energy633.518378
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=FULL/6-31G**
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 702 656 44.90      
2 A1 611 571 2.44      
3 A1 380 355 36.91      
4 B1 312 291 0.00      
5 B2 591 552 0.00      
6 B2 230 215 0.00      
7 E 698 652 261.29      
7 E 698 652 261.29      
8 E 408 381 6.24      
8 E 408 381 6.24      
9 E 242 227 1.19      
9 E 242 227 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 2760.6 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 2579.5 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=FULL/6-31G**
ABC
0.10056 0.10056 0.07003

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C4v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.273
F2 0.000 0.000 -1.463
F3 0.000 1.780 0.100
F4 -1.780 0.000 0.100
F5 0.000 -1.780 0.100
F6 1.780 0.000 0.100

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.73541.78811.78811.78811.7881
F21.73542.36872.36872.36872.3687
F31.78812.36872.51703.55962.5170
F41.78812.36872.51702.51703.5596
F51.78812.36873.55962.51702.5170
F61.78812.36872.51703.55962.5170

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 84.467 F2 Br1 F4 84.467
F2 Br1 F5 84.467 F2 Br1 F6 84.467
F3 Br1 F4 89.467 F3 Br1 F5 168.933
F3 Br1 F6 89.467 F4 Br1 F5 89.467
F4 Br1 F6 168.933 F5 Br1 F6 89.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability