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

using model chemistry: wB97X-D/SDD

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/SDD
 hartrees
Energy at 0K-94.743358
Energy at 298.15K 
HF Energy-94.743358
Nuclear repulsion energy62.821598
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/SDD
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 449 449 0.25 21.34 0.00 0.00
2 A1 217 217 0.88 22.21 0.20 0.33
3 E 590 590 75.61 19.27 0.75 0.86
3 E 590 590 75.51 19.15 0.75 0.86
4 E 150 150 0.68 8.66 0.75 0.86
4 E 150 150 0.68 8.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1073.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1073.4 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/SDD
ABC
0.03972 0.03972 0.02015

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.635
Br2 0.000 1.880 -0.042
Br3 1.628 -0.940 -0.042
Br4 -1.628 -0.940 -0.042

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.99821.99821.9982
Br21.99823.25593.2559
Br31.99823.25593.2559
Br41.99823.25593.2559

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 109.117 Br2 N1 Br4 109.117
Br3 N1 Br4 109.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.596      
2 Br 0.199      
3 Br 0.199      
4 Br 0.199      


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 -1.193 1.193
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.566 0.000 0.000
y 0.000 -47.566 0.000
z 0.000 0.000 -52.397
Traceless
 xyz
x 2.416 0.000 0.000
y 0.000 2.416 0.000
z 0.000 0.000 -4.831
Polar
3z2-r2-9.663
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 10.752 0.000 0.000
y 0.000 10.740 0.001
z 0.000 0.001 2.896


<r2> (average value of r2) Å2
<r2> 107.783
(<r2>)1/2 10.382