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

using model chemistry: TPSSh/aug-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 TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-7776.800586
Energy at 298.15K-7776.809784
HF Energy-7776.800586
Nuclear repulsion energy813.929241
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/aug-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 476 460 1.06      
2 A1 208 201 0.36      
3 E 533 515 76.27      
3 E 533 515 76.09      
4 E 143 138 0.87      
4 E 143 138 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 1017.2 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 983.9 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/aug-cc-pVDZ
ABC
0.04204 0.04204 0.02136

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.657
Br2 0.000 1.826 -0.044
Br3 1.581 -0.913 -0.044
Br4 -1.581 -0.913 -0.044

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.95551.95551.9555
Br21.95553.16203.1620
Br31.95553.16203.1620
Br41.95553.16203.1620

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 107.900 Br2 N1 Br4 107.900
Br3 N1 Br4 107.900
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.773      
2 Br 0.258      
3 Br 0.258      
4 Br 0.258      


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 -0.440 0.440
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 14.176 0.000 0.000
y 0.000 14.175 0.001
z 0.000 0.001 8.123


<r2> (average value of r2) Å2
<r2> 389.896
(<r2>)1/2 19.746