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

using model chemistry: MP2=FULL/3-21G*

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=FULL/3-21G*
 hartrees
Energy at 0K-2857.305281
Energy at 298.15K-2857.309316
HF Energy-2856.779454
Nuclear repulsion energy324.750159
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/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 702 666 15.88      
2 A1 600 569 0.82      
3 A1 256 242 14.77      
4 B1 257 244 14.92      
5 B2 723 686 183.60      
6 B2 348 329 6.74      

Unscaled Zero Point Vibrational Energy (zpe) 1442.8 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 1367.8 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=FULL/3-21G*
ABC
0.34325 0.13544 0.09712

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.301
F2 0.000 0.000 -1.471
F3 0.000 1.810 0.151
F4 0.000 -1.810 0.151

Atom - Atom Distances (Å)
  Br1 F2 F3 F4
Br11.77211.81611.8161
F21.77212.43032.4303
F31.81612.43033.6198
F41.81612.43033.6198

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 85.255 F2 Br1 F4 85.255
F3 Br1 F4 170.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability