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

using model chemistry: CISD/3-21G*

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/3-21G*
 hartrees
Energy at 0K-3055.141103
Energy at 298.15K-3055.146951
Nuclear repulsion energy645.175544
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/3-21G*
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 793 741 42.59      
2 A1 688 643 1.05      
3 A1 435 407 58.72      
4 B1 344 321 0.00      
5 B2 676 631 0.00      
6 B2 264 247 0.00      
7 E 812 759 255.13      
7 E 812 759 255.13      
8 E 442 413 15.49      
8 E 442 413 15.49      
9 E 270 253 2.10      
9 E 270 253 2.10      

Unscaled Zero Point Vibrational Energy (zpe) 3124.1 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 2919.1 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 CISD/3-21G*
ABC
0.10424 0.10424 0.07312

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G*

Point Group is C4v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.282
F2 0.000 0.000 -1.444
F3 0.000 1.742 0.087
F4 -1.742 0.000 0.087
F5 0.000 -1.742 0.087
F6 1.742 0.000 0.087

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.72571.75261.75261.75261.7526
F21.72572.31942.31942.31942.3194
F31.75262.31942.46333.48362.4633
F41.75262.31942.46332.46333.4836
F51.75262.31943.48362.46332.4633
F61.75262.31942.46333.48362.4633

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 83.641 F2 Br1 F4 83.641
F2 Br1 F5 83.641 F2 Br1 F6 83.641
F3 Br1 F4 89.297 F3 Br1 F5 167.281
F3 Br1 F6 89.297 F4 Br1 F5 89.297
F4 Br1 F6 167.281 F5 Br1 F6 89.297
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability