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

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-8063.931384
Energy at 298.15K-8063.940524
HF Energy-8063.931384
Nuclear repulsion energy932.918921
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 wB97X-D/6-311G**
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 396 379 19.32      
2 A1 166 159 0.28      
3 E 403 385 112.17      
3 E 403 385 112.73      
4 E 115 110 0.00      
4 E 115 110 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 798.4 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 763.6 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 wB97X-D/6-311G**
ABC
0.03356 0.03356 0.01775

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.864
Br2 0.000 2.015 -0.123
Br3 1.745 -1.008 -0.123
Br4 -1.745 -1.008 -0.123

Atom - Atom Distances (Å)
  P1 Br2 Br3 Br4
P12.24432.24432.2443
Br22.24433.49093.4909
Br32.24433.49093.4909
Br42.24433.49093.4909

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 102.106 Br2 P1 Br4 102.106
Br3 P1 Br4 102.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.398      
2 Br -0.133      
3 Br -0.133      
4 Br -0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.554 0.554
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -68.068 0.000 0.000
y 0.000 -68.068 0.000
z 0.000 0.000 -67.744
Traceless
 xyz
x -0.162 0.000 0.000
y 0.000 -0.162 0.000
z 0.000 0.000 0.324
Polar
3z2-r20.648
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.312 0.000 0.000
y 0.000 12.282 0.000
z 0.000 0.000 7.418


<r2> (average value of r2) Å2
<r2> 476.819
(<r2>)1/2 21.836