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All results from a given calculation for BBr3 (Boron tribromide)

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 D3H 1A1'
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-7734.230769
Energy at 298.15K-7734.239172
HF Energy-7734.062075
Nuclear repulsion energy732.876438
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' 275 258 0.00      
2 A2" 434 407 4.06      
3 E' 796 747 287.77      
3 E' 796 747 287.77      
4 E' 169 159 0.29      
4 E' 169 159 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 1319.8 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 1237.7 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
0.03899 0.03899 0.01950

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
Br2 0.000 1.911 0.000
Br3 1.655 -0.956 0.000
Br4 -1.655 -0.956 0.000

Atom - Atom Distances (Å)
  B1 Br2 Br3 Br4
B11.91111.91111.9111
Br21.91113.31013.3101
Br31.91113.31013.3101
Br41.91113.31013.3101

picture of Boron tribromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 B1 Br3 120.000 Br2 B1 Br4 120.000
Br3 B1 Br4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability