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

using model chemistry: M06-2X/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 M06-2X/cc-pVTZ
 hartrees
Energy at 0K-7777.364119
Energy at 298.15K-7777.373574
HF Energy-7777.364119
Nuclear repulsion energy832.116769
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 M06-2X/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 465 444 1.50      
2 A1 233 223 0.33      
3 E 666 636 25.57      
3 E 665 635 25.55      
4 E 166 158 0.13      
4 E 165 158 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 1179.7 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 1126.7 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 M06-2X/cc-pVTZ
ABC
0.04385 0.04385 0.02224

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.601
Br2 0.000 1.789 -0.040
Br3 1.550 -0.895 -0.040
Br4 -1.550 -0.895 -0.040

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.90081.90081.9008
Br21.90083.09923.0992
Br31.90083.09923.0992
Br41.90083.09923.0992

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 109.218 Br2 N1 Br4 109.218
Br3 N1 Br4 109.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.259      
2 Br 0.086      
3 Br 0.086      
4 Br 0.086      


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 -0.660 0.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.230 0.000 0.000
y 0.000 -57.230 0.000
z 0.000 0.000 -61.886
Traceless
 xyz
x 2.328 0.000 0.000
y 0.000 2.328 0.000
z 0.000 0.000 -4.656
Polar
3z2-r2-9.312
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 11.554 0.000 0.000
y 0.000 11.566 0.001
z 0.000 0.001 6.064


<r2> (average value of r2) Å2
<r2> 375.586
(<r2>)1/2 19.380