return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: wB97X-D/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-7777.440419
Energy at 298.15K 
HF Energy-7777.440419
Nuclear repulsion energy832.576571
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/cc-pVQZ
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 447 447 1.44 20.55 0.04 0.08
2 A1 231 231 0.30 11.40 0.10 0.19
3 E 652 652 21.81 7.97 0.75 0.86
3 E 652 652 21.79 7.95 0.75 0.86
4 E 161 161 0.14 3.64 0.75 0.86
4 E 161 161 0.13 3.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1151.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1151.6 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/cc-pVQZ
ABC
0.04389 0.04389 0.02226

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.597
Br2 0.000 1.789 -0.040
Br3 1.549 -0.894 -0.040
Br4 -1.549 -0.894 -0.040

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.89881.89881.8988
Br21.89883.09803.0980
Br31.89883.09803.0980
Br41.89883.09803.0980

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 109.332 Br2 N1 Br4 109.332
Br3 N1 Br4 109.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.334      
2 Br 0.111      
3 Br 0.111      
4 Br 0.111      


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 -0.569 0.569
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.917 0.000 0.000
y 0.000 -56.917 0.000
z 0.000 0.000 -61.428
Traceless
 xyz
x 2.255 0.000 0.000
y 0.000 2.255 0.000
z 0.000 0.000 -4.510
Polar
3z2-r2-9.021
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 12.561 0.000 0.000
y 0.000 12.561 0.000
z 0.000 0.000 7.395


<r2> (average value of r2) Å2
<r2> 375.070
(<r2>)1/2 19.367