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

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-8062.741433
Energy at 298.15K-8062.750425
HF Energy-8062.741433
Nuclear repulsion energy923.503433
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 PBEPBEultrafine/aug-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 375 371 7.86      
2 A1 148 147 0.01      
3 E 374 370 100.73      
3 E 374 370 100.73      
4 E 102 101 0.03      
4 E 102 101 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 737.8 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 729.5 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.03288 0.03288 0.01737

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.877
Br2 0.000 2.025 -0.125
Br3 1.753 -1.012 -0.125
Br4 -1.753 -1.012 -0.125

Atom - Atom Distances (Å)
  P1 Br2 Br3 Br4
P12.25902.25902.2590
Br22.25903.50683.5068
Br32.25903.50683.5068
Br42.25903.50683.5068

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 101.825 Br2 P1 Br4 101.825
Br3 P1 Br4 101.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.245      
2 Br -0.082      
3 Br -0.082      
4 Br -0.082      


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 0.414 0.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -67.362 0.000 0.000
y 0.000 -67.362 0.000
z 0.000 0.000 -67.281
Traceless
 xyz
x -0.040 0.000 0.000
y 0.000 -0.040 0.000
z 0.000 0.000 0.080
Polar
3z2-r20.160
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 16.784 0.000 0.000
y 0.000 16.784 0.000
z 0.000 0.000 11.120


<r2> (average value of r2) Å2
<r2> 485.652
(<r2>)1/2 22.038