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All results from a given calculation for NBr3 (Nitrogen Tribromide)

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-7691.274370
Energy at 298.15K-7691.283728
HF Energy-7691.274370
Nuclear repulsion energy810.685272
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 PBE1PBE/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 562 496 7.38      
2 A1 239 211 0.07      
3 E 712 628 72.87      
3 E 712 628 72.89      
4 E 159 140 0.01      
4 E 159 140 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 1270.9 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 1121.0 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 PBE1PBE/STO-3G
ABC
0.04174 0.04174 0.02123

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.677
Br2 0.000 1.831 -0.045
Br3 1.586 -0.916 -0.045
Br4 -1.586 -0.916 -0.045

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.96861.96861.9686
Br21.96863.17193.1719
Br31.96863.17193.1719
Br41.96863.17193.1719

picture of Nitrogen Tribromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 N1 Br3 107.337 Br2 N1 Br4 107.337
Br3 N1 Br4 107.337
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.192      
2 Br 0.064      
3 Br 0.064      
4 Br 0.064      


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 -0.568 0.568
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -53.540 0.000 0.000
y 0.000 -53.540 0.000
z 0.000 0.000 -55.156
Traceless
 xyz
x 0.808 0.000 0.000
y 0.000 0.808 0.000
z 0.000 0.000 -1.616
Polar
3z2-r2-3.232
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 5.953 0.000 0.000
y 0.000 5.953 0.000
z 0.000 0.000 0.893


<r2> (average value of r2) Å2
<r2> 389.330
(<r2>)1/2 19.731