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

using model chemistry: HSEh1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-8062.753397
Energy at 298.15K-8062.762490
HF Energy-8062.753397
Nuclear repulsion energy930.089861
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 HSEh1PBE/aug-cc-pVDZ
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 393 378 9.27      
2 A1 157 151 0.03      
3 E 395 380 98.62      
3 E 395 380 98.58      
4 E 109 105 0.01      
4 E 109 105 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 779.4 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 749.9 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 HSEh1PBE/aug-cc-pVDZ
ABC
0.03339 0.03339 0.01769

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.891
Br2 0.000 2.006 -0.127
Br3 1.737 -1.003 -0.127
Br4 -1.737 -1.003 -0.127

Atom - Atom Distances (Å)
  P1 Br2 Br3 Br4
P12.24992.24992.2499
Br22.24993.47493.4749
Br32.24993.47493.4749
Br42.24993.47493.4749

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 101.114 Br2 P1 Br4 101.114
Br3 P1 Br4 101.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.052      
2 Br -0.017      
3 Br -0.017      
4 Br -0.017      


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 0.454 0.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -67.281 0.000 0.000
y 0.000 -67.281 0.000
z 0.000 0.000 -67.381
Traceless
 xyz
x 0.050 0.000 0.000
y 0.000 0.050 0.000
z 0.000 0.000 -0.100
Polar
3z2-r2-0.200
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 15.650 0.000 0.000
y 0.000 15.650 0.000
z 0.000 0.000 10.427


<r2> (average value of r2) Å2
<r2> 478.284
(<r2>)1/2 21.870