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

using model chemistry: TPSSh/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 TPSSh/6-31G
 hartrees
Energy at 0K-7768.963961
Energy at 298.15K-7768.973033
HF Energy-7768.963961
Nuclear repulsion energy786.130835
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/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 453 436 0.81      
2 A1 194 186 0.51      
3 E 509 490 110.02      
3 E 509 490 110.11      
4 E 132 127 0.70      
4 E 132 127 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 964.3 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 927.8 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/6-31G
ABC
0.03926 0.03926 0.01998

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.705
Br2 0.000 1.888 -0.047
Br3 1.635 -0.944 -0.047
Br4 -1.635 -0.944 -0.047

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N12.03212.03212.0321
Br22.03213.26993.2699
Br32.03213.26993.2699
Br42.03213.26993.2699

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 107.132 Br2 N1 Br4 107.132
Br3 N1 Br4 107.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.550      
2 Br 0.183      
3 Br 0.183      
4 Br 0.183      


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 -0.953 0.953
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 10.881 0.000 0.000
y 0.000 10.881 0.000
z 0.000 0.000 2.934


<r2> (average value of r2) Å2
<r2> 414.892
(<r2>)1/2 20.369