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

using model chemistry: PBE1PBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-7776.049082
Energy at 298.15K-7776.058362
HF Energy-7776.049082
Nuclear repulsion energy821.271587
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/6-311G*
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 457 438 0.66      
2 A1 220 211 0.37      
3 E 581 557 62.99      
3 E 581 557 62.99      
4 E 152 145 0.61      
4 E 152 145 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 1070.7 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 1026.3 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 PBE1PBE/6-311G*
ABC
0.04273 0.04273 0.02168

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.616
Br2 0.000 1.812 -0.041
Br3 1.570 -0.906 -0.041
Br4 -1.570 -0.906 -0.041

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.92791.92791.9279
Br21.92793.13913.1391
Br31.92793.13913.1391
Br41.92793.13913.1391

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 109.004 Br2 N1 Br4 109.004
Br3 N1 Br4 109.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.466      
2 Br 0.155      
3 Br 0.155      
4 Br 0.155      


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 -0.832 0.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.910 0.000 0.000
y 0.000 -56.910 0.000
z 0.000 0.000 -61.825
Traceless
 xyz
x 2.457 0.000 0.000
y 0.000 2.457 0.000
z 0.000 0.000 -4.915
Polar
3z2-r2-9.829
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 10.802 0.000 0.000
y 0.000 10.802 0.000
z 0.000 0.000 4.720


<r2> (average value of r2) Å2
<r2> 384.287
(<r2>)1/2 19.603