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

using model chemistry: MP2/6-31G*

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*
 hartrees
Energy at 0K-2868.639366
Energy at 298.15K-2868.643317
HF Energy-2867.959512
Nuclear repulsion energy324.106791
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*
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 691 651 29.49      
2 A1 579 546 1.42      
3 A1 242 228 14.01      
4 B1 252 237 14.40      
5 B2 662 624 244.81      
6 B2 345 325 4.51      

Unscaled Zero Point Vibrational Energy (zpe) 1384.9 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 1305.9 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*
ABC
0.34892 0.13337 0.09649

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.289
F2 0.000 0.000 -1.469
F3 0.000 1.830 0.172
F4 0.000 -1.830 0.172

Atom - Atom Distances (Å)
  Br1 F2 F3 F4
Br11.75811.83381.8338
F21.75812.45802.4580
F31.83382.45803.6600
F41.83382.45803.6600

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 86.337 F2 Br1 F4 86.337
F3 Br1 F4 172.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability