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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-8067.793485
Energy at 298.15K-8067.802448
HF Energy-8067.793485
Nuclear repulsion energy920.676351
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 B97D3/6-311+G(3df,2p)
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 367 362 8.06      
2 A1 150 148 0.00      
3 E 361 356 105.67      
3 E 361 356 105.68      
4 E 104 103 0.07      
4 E 104 103 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 723.3 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 713.9 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 B97D3/6-311+G(3df,2p)
ABC
0.03266 0.03266 0.01723

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.871
Br2 0.000 2.033 -0.124
Br3 1.760 -1.016 -0.124
Br4 -1.760 -1.016 -0.124

Atom - Atom Distances (Å)
  P1 Br2 Br3 Br4
P12.26312.26312.2631
Br22.26313.52053.5205
Br32.26313.52053.5205
Br42.26313.52053.5205

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 102.745 Br2 P1 Br4 102.745
Br3 P1 Br4 102.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.486      
2 Br -0.162      
3 Br -0.162      
4 Br -0.162      


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 0.461 0.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -67.037 0.000 0.000
y 0.000 -67.037 0.000
z 0.000 0.000 -66.867
Traceless
 xyz
x -0.085 0.000 0.000
y 0.000 -0.085 0.000
z 0.000 0.000 0.169
Polar
3z2-r20.339
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 16.491 0.000 0.000
y 0.000 16.490 -0.000
z 0.000 -0.000 10.807


<r2> (average value of r2) Å2
<r2> 488.625
(<r2>)1/2 22.105