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

using model chemistry: B3LYPultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-7777.357145
Energy at 298.15K-7777.366361
HF Energy-7777.357145
Nuclear repulsion energy816.119559
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 B3LYPultrafine/cc-pVTZ
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 451 436 0.96      
2 A1 213 206 0.33      
3 E 545 527 60.66      
3 E 545 527 60.67      
4 E 148 143 0.75      
4 E 148 143 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 1024.1 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 990.0 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 B3LYPultrafine/cc-pVTZ
ABC
0.04221 0.04221 0.02142

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.626
Br2 0.000 1.823 -0.042
Br3 1.579 -0.912 -0.042
Br4 -1.579 -0.912 -0.042

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.94181.94181.9418
Br21.94183.15803.1580
Br31.94183.15803.1580
Br41.94183.15803.1580

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 108.811 Br2 N1 Br4 108.811
Br3 N1 Br4 108.811
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.294      
2 Br 0.098      
3 Br 0.098      
4 Br 0.098      


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 -0.597 0.597
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.363 0.000 0.000
y 0.000 -57.363 0.000
z 0.000 0.000 -61.664
Traceless
 xyz
x 2.150 0.000 0.000
y 0.000 2.150 0.000
z 0.000 0.000 -4.301
Polar
3z2-r2-8.602
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 12.414 0.000 0.000
y 0.000 12.413 0.000
z 0.000 0.000 6.218


<r2> (average value of r2) Å2
<r2> 388.697
(<r2>)1/2 19.715