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

using model chemistry: MP3=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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-3067.772596
Energy at 298.15K-3067.778115
HF Energy-3066.683819
Nuclear repulsion energy638.861750
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 MP3=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 723 678 40.79      
2 A1 634 594 1.60      
3 A1 402 378 44.34      
4 B1 324 304 0.00      
5 B2 615 577 0.00      
6 B2 244 229 0.00      
7 E 714 670 279.74      
7 E 714 670 279.74      
8 E 428 402 7.81      
8 E 428 402 7.81      
9 E 253 237 0.85      
9 E 253 237 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 2865.5 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 2688.7 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 MP3=FULL/6-31G*
ABC
0.10234 0.10234 0.07129

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

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 -1.452
F3 0.000 1.768 0.094
F4 -1.768 0.000 0.094
F5 0.000 -1.768 0.094
F6 1.768 0.000 0.094

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.72821.77761.77761.77761.7776
F21.72822.34902.34902.34902.3490
F31.77762.34902.50073.53662.5007
F41.77762.34902.50072.50073.5366
F51.77762.34903.53662.50072.5007
F61.77762.34902.50073.53662.5007

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 84.126 F2 Br1 F4 84.126
F2 Br1 F5 84.126 F2 Br1 F6 84.126
F3 Br1 F4 89.400 F3 Br1 F5 168.252
F3 Br1 F6 89.400 F4 Br1 F5 89.400
F4 Br1 F6 168.252 F5 Br1 F6 89.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability