return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: LSDA/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 LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-7768.339001
Energy at 298.15K-7768.348231
HF Energy-7768.339001
Nuclear repulsion energy823.417567
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 LSDA/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 487 482 1.55      
2 A1 211 209 0.44      
3 E 542 536 97.54      
3 E 542 536 97.55      
4 E 144 142 1.01      
4 E 144 142 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 1035.4 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 1023.7 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 LSDA/aug-cc-pVDZ
ABC
0.04302 0.04302 0.02186

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.647
Br2 0.000 1.805 -0.043
Br3 1.563 -0.902 -0.043
Br4 -1.563 -0.902 -0.043

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.93221.93221.9322
Br21.93223.12603.1260
Br31.93223.12603.1260
Br41.93223.12603.1260

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 107.978 Br2 N1 Br4 107.978
Br3 N1 Br4 107.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.832      
2 Br 0.277      
3 Br 0.277      
4 Br 0.277      


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 -0.468 0.468
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.479 0.000 0.000
y 0.000 -57.479 0.000
z 0.000 0.000 -61.604
Traceless
 xyz
x 2.062 0.000 0.000
y 0.000 2.062 0.000
z 0.000 0.000 -4.125
Polar
3z2-r2-8.250
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 14.205 0.000 0.000
y 0.000 14.206 -0.001
z 0.000 -0.001 8.161


<r2> (average value of r2) Å2
<r2> 381.890
(<r2>)1/2 19.542