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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-8062.739264
Energy at 298.15K-8062.748267
HF Energy-8062.739264
Nuclear repulsion energy923.436358
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 PBEPBE/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 377 374 8.97      
2 A1 149 148 0.01      
3 E 377 375 105.85      
3 E 377 375 105.87      
4 E 102 102 0.02      
4 E 102 102 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 742.8 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 737.7 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 PBEPBE/cc-pVTZ
ABC
0.03287 0.03287 0.01736

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.875
Br2 0.000 2.025 -0.125
Br3 1.754 -1.013 -0.125
Br4 -1.754 -1.013 -0.125

Atom - Atom Distances (Å)
  P1 Br2 Br3 Br4
P12.25872.25872.2587
Br22.25873.50753.5075
Br32.25873.50753.5075
Br42.25873.50753.5075

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 101.870 Br2 P1 Br4 101.870
Br3 P1 Br4 101.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.234      
2 Br -0.078      
3 Br -0.078      
4 Br -0.078      


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 0.412 0.412
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -67.094 0.000 0.000
y 0.000 -67.094 0.000
z 0.000 0.000 -67.085
Traceless
 xyz
x -0.005 0.000 0.000
y 0.000 -0.005 0.000
z 0.000 0.000 0.010
Polar
3z2-r20.020
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 14.756 0.000 0.000
y 0.000 14.755 0.000
z 0.000 0.000 8.851


<r2> (average value of r2) Å2
<r2> 485.635
(<r2>)1/2 22.037