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

using model chemistry: TPSSh/daug-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 TPSSh/daug-cc-pVTZ
 hartrees
Energy at 0K-7777.026400
Energy at 298.15K 
HF Energy-7777.026400
Nuclear repulsion energy819.278243
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 TPSSh/daug-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 459 459 0.97 10.19 0.04 0.08
2 A1 210 210 0.32 18.95 0.09 0.17
3 E 538 538 66.42 4.57 0.75 0.86
3 E 538 538 66.40 4.50 0.75 0.86
4 E 143 143 0.72 4.59 0.75 0.86
4 E 143 143 0.72 4.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1014.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1014.4 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 TPSSh/daug-cc-pVTZ
ABC
0.04256 0.04256 0.02161

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.638
Br2 0.000 1.815 -0.043
Br3 1.572 -0.907 -0.043
Br4 -1.572 -0.907 -0.043

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.93831.93831.9383
Br21.93833.14373.1437
Br31.93833.14373.1437
Br41.93833.14373.1437

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 108.374 Br2 N1 Br4 108.374
Br3 N1 Br4 108.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.258      
2 Br 0.086      
3 Br 0.086      
4 Br 0.086      


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 -0.452 0.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.306 0.000 0.000
y 0.000 14.307 0.001
z 0.000 0.001 8.536


<r2> (average value of r2) Å2
<r2> 385.597
(<r2>)1/2 19.637