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All results from a given calculation for PBr3 (Phosphorus tribromide)

using model chemistry: CCSD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD/cc-pVTZ
 hartrees
Energy at 0K-8059.053396
Energy at 298.15K-8059.062567
HF Energy-8058.205874
Nuclear repulsion energy938.730862
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 CCSD/cc-pVTZ
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 402 379 12.87      
2 A1 165 155 0.10      
3 E 415 390 94.78      
3 E 415 390 94.78      
4 E 115 108 0.00      
4 E 115 108 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 813.5 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 765.6 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 CCSD/cc-pVTZ
ABC
0.03402 0.03402 0.01803

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.883
Br2 0.000 1.992 -0.126
Br3 1.725 -0.996 -0.126
Br4 -1.725 -0.996 -0.126

Atom - Atom Distances (Å)
  P1 Br2 Br3 Br4
P12.23312.23312.2331
Br22.23313.45063.4506
Br32.23313.45063.4506
Br42.23313.45063.4506

picture of Phosphorus tribromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 P1 Br3 101.176 Br2 P1 Br4 101.176
Br3 P1 Br4 101.176
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability