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: M06-2X/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-7777.159885
Energy at 298.15K 
HF Energy-7777.159885
Nuclear repulsion energy827.920034
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/daug-cc-pVDZ
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 482 482 1.40 18.52 0.06 0.11
2 A1 233 233 0.29 13.98 0.09 0.17
3 E 643 643 34.84 10.31 0.75 0.86
3 E 643 643 34.68 10.11 0.75 0.86
4 E 164 164 0.21 3.73 0.75 0.86
4 E 164 164 0.21 3.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1164.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1164.1 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/daug-cc-pVDZ
ABC
0.04345 0.04345 0.02206

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.626
Br2 0.000 1.797 -0.042
Br3 1.556 -0.898 -0.042
Br4 -1.556 -0.898 -0.042

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.91661.91661.9166
Br21.91663.11173.1117
Br31.91663.11173.1117
Br41.91663.11173.1117

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 108.541 Br2 N1 Br4 108.541
Br3 N1 Br4 108.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.543      
2 Br 0.181      
3 Br 0.181      
4 Br 0.181      


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 -0.533 0.533
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.554 0.000 0.000
y 0.000 -57.554 0.000
z 0.000 0.000 -62.143
Traceless
 xyz
x 2.294 0.000 0.000
y 0.000 2.294 0.000
z 0.000 0.000 -4.589
Polar
3z2-r2-9.178
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 13.392 0.000 0.000
y 0.000 13.386 -0.005
z 0.000 -0.005 8.282


<r2> (average value of r2) Å2
<r2> 378.713
(<r2>)1/2 19.461