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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-7777.273923
Energy at 298.15K 
HF Energy-7777.273923
Nuclear repulsion energy826.152613
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 wB97X-D/TZVP
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 444 424 1.38 18.76 0.01 0.02
2 A1 227 217 0.41 14.11 0.15 0.27
3 E 631 603 31.78 9.27 0.75 0.86
3 E 631 603 31.80 9.29 0.75 0.86
4 E 158 151 0.23 5.45 0.75 0.86
4 E 158 151 0.23 5.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1124.9 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 1074.3 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 wB97X-D/TZVP
ABC
0.04321 0.04321 0.02191

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.601
Br2 0.000 1.803 -0.040
Br3 1.561 -0.901 -0.040
Br4 -1.561 -0.901 -0.040

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.91321.91321.9132
Br21.91323.12233.1223
Br31.91323.12233.1223
Br41.91323.12233.1223

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 109.373 Br2 N1 Br4 109.373
Br3 N1 Br4 109.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.207      
2 Br 0.069      
3 Br 0.069      
4 Br 0.069      


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 -0.800 0.800
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.752 0.000 0.000
y 0.000 -56.752 0.000
z 0.000 0.000 -61.904
Traceless
 xyz
x 2.576 0.000 0.000
y 0.000 2.576 0.000
z 0.000 0.000 -5.153
Polar
3z2-r2-10.306
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 10.803 0.000 0.000
y 0.000 10.806 -0.000
z 0.000 -0.000 5.008


<r2> (average value of r2) Å2
<r2> 380.417
(<r2>)1/2 19.504