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

using model chemistry: B1B95/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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-7778.080154
Energy at 298.15K-7778.089490
HF Energy-7778.080154
Nuclear repulsion energy826.069633
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 B1B95/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 478 458 1.30      
2 A1 221 212 0.35      
3 E 598 573 48.30      
3 E 598 573 48.05      
4 E 153 146 0.41      
4 E 153 146 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 1100.2 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 1053.9 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 B1B95/aug-cc-pVDZ
ABC
0.04329 0.04329 0.02199

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.642
Br2 0.000 1.799 -0.043
Br3 1.558 -0.900 -0.043
Br4 -1.558 -0.900 -0.043

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.92511.92511.9251
Br21.92513.11643.1164
Br31.92513.11643.1164
Br41.92513.11643.1164

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 108.079 Br2 N1 Br4 108.079
Br3 N1 Br4 108.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.904      
2 Br 0.301      
3 Br 0.301      
4 Br 0.301      


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 -0.505 0.505
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.150 0.000 0.000
y 0.000 -57.150 0.000
z 0.000 0.000 -61.536
Traceless
 xyz
x 2.193 0.000 0.000
y 0.000 2.193 0.000
z 0.000 0.000 -4.386
Polar
3z2-r2-8.773
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 13.395 0.000 0.000
y 0.000 13.399 -0.001
z 0.000 -0.001 7.925


<r2> (average value of r2) Å2
<r2> 379.603
(<r2>)1/2 19.483