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

using model chemistry: HSEh1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-7974.780385
Energy at 298.15K-7974.789559
HF Energy-7974.780385
Nuclear repulsion energy928.017887
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/STO-3G
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 454 401 21.07      
2 A1 177 157 3.20      
3 E 479 423 63.73      
3 E 479 423 63.73      
4 E 122 107 0.55      
4 E 122 107 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 916.5 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 809.3 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/STO-3G
ABC
0.03326 0.03326 0.01765

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.903
Br2 0.000 2.009 -0.129
Br3 1.740 -1.004 -0.129
Br4 -1.740 -1.004 -0.129

Atom - Atom Distances (Å)
  P1 Br2 Br3 Br4
P12.25852.25852.2585
Br22.25853.47903.4790
Br32.25853.47903.4790
Br42.25853.47903.4790

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 100.748 Br2 P1 Br4 100.748
Br3 P1 Br4 100.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.382      
2 Br -0.127      
3 Br -0.127      
4 Br -0.127      


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 1.275 1.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.714 0.000 0.000
y 0.000 -63.714 0.000
z 0.000 0.000 -60.165
Traceless
 xyz
x -1.774 0.000 0.000
y 0.000 -1.774 0.000
z 0.000 0.000 3.549
Polar
3z2-r27.098
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 6.804 0.000 0.000
y 0.000 6.804 0.000
z 0.000 0.000 2.051


<r2> (average value of r2) Å2
<r2> 476.680
(<r2>)1/2 21.833