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

using model chemistry: M06-2X/6-31G*

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/6-31G*
 hartrees
Energy at 0K-7769.942293
Energy at 298.15K-7769.951707
HF Energy-7769.942293
Nuclear repulsion energy828.682365
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/6-31G*
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 478 453 0.76      
2 A1 236 223 0.37      
3 E 625 591 37.60      
3 E 624 591 37.71      
4 E 169 160 0.29      
4 E 169 160 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 1150.5 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 1089.5 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/6-31G*
ABC
0.04356 0.04356 0.02213

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.637
Br2 0.000 1.794 -0.042
Br3 1.554 -0.897 -0.042
Br4 -1.554 -0.897 -0.042

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.91811.91811.9181
Br21.91813.10713.1071
Br31.91813.10713.1071
Br41.91813.10713.1071

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 108.180 Br2 N1 Br4 108.180
Br3 N1 Br4 108.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.386      
2 Br 0.129      
3 Br 0.129      
4 Br 0.129      


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 -0.782 0.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.576 0.000 0.000
y 0.000 -56.576 0.000
z 0.000 0.000 -61.399
Traceless
 xyz
x 2.412 0.000 0.000
y 0.000 2.412 0.000
z 0.000 0.000 -4.823
Polar
3z2-r2-9.646
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 10.612 0.000 0.000
y 0.000 10.622 -0.001
z 0.000 -0.001 5.329


<r2> (average value of r2) Å2
<r2> 377.252
(<r2>)1/2 19.423