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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-7775.832264
Energy at 298.15K-7775.841308
HF Energy-7775.832264
Nuclear repulsion energy800.845863
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 PBEPBE/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 466 464 0.22      
2 A1 194 193 0.47      
3 E 473 470 125.38      
3 E 473 470 125.39      
4 E 133 133 2.17      
4 E 133 133 2.17      

Unscaled Zero Point Vibrational Energy (zpe) 936.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 931.3 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 PBEPBE/cc-pVDZ
ABC
0.04067 0.04067 0.02066

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.655
Br2 0.000 1.857 -0.044
Br3 1.608 -0.928 -0.044
Br4 -1.608 -0.928 -0.044

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.98371.98371.9837
Br21.98373.21563.2156
Br31.98373.21563.2156
Br41.98373.21563.2156

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 108.294 Br2 N1 Br4 108.294
Br3 N1 Br4 108.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.326      
2 Br 0.109      
3 Br 0.109      
4 Br 0.109      


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 -0.644 0.644
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.663 0.000 0.000
y 0.000 -56.663 0.000
z 0.000 0.000 -60.774
Traceless
 xyz
x 2.056 0.000 0.000
y 0.000 2.056 0.000
z 0.000 0.000 -4.111
Polar
3z2-r2-8.222
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 11.634 0.000 0.000
y 0.000 11.634 0.000
z 0.000 0.000 4.664


<r2> (average value of r2) Å2
<r2> 401.361
(<r2>)1/2 20.034