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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-3067.563838
Energy at 298.15K-3067.569531
Nuclear repulsion energy645.162424
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 CISD/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 775 717 48.99      
2 A1 662 613 1.63      
3 A1 421 390 50.47      
4 B1 340 314 0.00      
5 B2 642 594 0.00      
6 B2 255 237 0.00      
7 E 731 677 331.92      
7 E 731 677 331.92      
8 E 450 416 9.62      
8 E 450 416 9.62      
9 E 261 241 0.63      
9 E 261 241 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 2987.9 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 2766.2 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 CISD/6-31G*
ABC
0.10443 0.10443 0.07264

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

Point Group is C4v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.275
F2 0.000 0.000 -1.429
F3 0.000 1.748 0.090
F4 -1.748 0.000 0.090
F5 0.000 -1.748 0.090
F6 1.748 0.000 0.090

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.70441.75731.75731.75731.7573
F21.70442.31582.31582.31582.3158
F31.75732.31582.47143.49512.4714
F41.75732.31582.47142.47143.4951
F51.75732.31583.49512.47142.4714
F61.75732.31582.47143.49512.4714

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 83.961 F2 Br1 F4 83.961
F2 Br1 F5 83.961 F2 Br1 F6 83.961
F3 Br1 F4 89.366 F3 Br1 F5 167.921
F3 Br1 F6 89.366 F4 Br1 F5 89.366
F4 Br1 F6 167.921 F5 Br1 F6 89.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability