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All results from a given calculation for BrF3 (Bromine trifluoride)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-2869.057541
Energy at 298.15K-2869.061633
HF Energy-2868.176003
Nuclear repulsion energy331.847153
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 MP2/6-31G(2df,p)
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 731 690 35.72      
2 A1 599 566 1.62      
3 A1 268 254 11.23      
4 B1 259 245 10.74      
5 B2 684 646 264.86      
6 B2 383 361 4.32      

Unscaled Zero Point Vibrational Energy (zpe) 1461.9 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 1380.8 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 MP2/6-31G(2df,p)
ABC
0.36742 0.13963 0.10118

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.291
F2 0.000 0.000 -1.422
F3 0.000 1.783 0.145
F4 0.000 -1.783 0.145

Atom - Atom Distances (Å)
  Br1 F2 F3 F4
Br11.71311.78861.7886
F21.71312.37302.3730
F31.78862.37303.5651
F41.78862.37303.5651

picture of Bromine trifluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Br1 F3 85.294 F2 Br1 F4 85.294
F3 Br1 F4 170.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability