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

using model chemistry: wB97X-D/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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-8064.217068
Energy at 298.15K-8064.226232
HF Energy-8064.217068
Nuclear repulsion energy938.531807
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/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 402 385 11.03      
2 A1 165 158 0.06      
3 E 411 393 97.67      
3 E 411 393 98.22      
4 E 114 109 0.00      
4 E 114 109 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 809.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 774.1 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/aug-cc-pVTZ
ABC
0.03399 0.03399 0.01799

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.873
Br2 0.000 1.995 -0.125
Br3 1.728 -0.997 -0.125
Br4 -1.728 -0.997 -0.125

Atom - Atom Distances (Å)
  P1 Br2 Br3 Br4
P12.23062.23062.2306
Br22.23063.45513.4551
Br32.23063.45513.4551
Br42.23063.45513.4551

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 101.519 Br2 P1 Br4 101.519
Br3 P1 Br4 101.519
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.320      
2 Br -0.107      
3 Br -0.107      
4 Br -0.107      


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 0.362 0.362
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -66.894 0.000 0.000
y 0.000 -66.894 0.000
z 0.000 0.000 -67.233
Traceless
 xyz
x 0.170 0.000 0.000
y 0.000 0.170 0.000
z 0.000 0.000 -0.339
Polar
3z2-r2-0.678
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 15.634 0.000 0.000
y 0.000 15.613 0.001
z 0.000 0.001 10.768


<r2> (average value of r2) Å2
<r2> 470.576
(<r2>)1/2 21.693