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

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-7769.792776
Energy at 298.15K-7769.801754
HF Energy-7769.792776
Nuclear repulsion energy793.108653
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 BLYP/6-31G**
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 463 460 0.38      
2 A1 190 189 0.43      
3 E 444 440 112.09      
3 E 444 440 112.05      
4 E 135 134 2.38      
4 E 135 134 2.38      

Unscaled Zero Point Vibrational Energy (zpe) 904.8 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 897.8 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 BLYP/6-31G**
ABC
0.03994 0.03994 0.02031

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.687
Br2 0.000 1.872 -0.046
Br3 1.622 -0.936 -0.046
Br4 -1.622 -0.936 -0.046

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N12.01052.01052.0105
Br22.01053.24313.2431
Br32.01053.24313.2431
Br42.01053.24313.2431

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 107.516 Br2 N1 Br4 107.516
Br3 N1 Br4 107.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.271      
2 Br 0.090      
3 Br 0.090      
4 Br 0.090      


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 -0.599 0.599
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.645 0.000 0.000
y 0.000 -56.645 0.000
z 0.000 0.000 -60.596
Traceless
 xyz
x 1.975 0.000 0.000
y 0.000 1.975 0.000
z 0.000 0.000 -3.951
Polar
3z2-r2-7.902
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 12.545 0.000 0.000
y 0.000 12.545 0.000
z 0.000 0.000 5.622


<r2> (average value of r2) Å2
<r2> 407.837
(<r2>)1/2 20.195