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 NBr (nitrogen monobromide)

using model chemistry: B3LYPultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ-
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-2628.799967
Energy at 298.15K-2628.802838
HF Energy-2628.799967
Nuclear repulsion energy71.817255
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 B3LYPultrafine/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 Σ 691 670 37.51      

Unscaled Zero Point Vibrational Energy (zpe) 345.3 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 335.1 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 B3LYPultrafine/aug-cc-pVDZ
B
0.43494

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.504
Br2 0.000 0.000 0.301

Atom - Atom Distances (Å)
  N1 Br2
N11.8053
Br21.8053

picture of nitrogen monobromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.468      
2 Br 0.468      


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 1.239 1.239
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.826 0.000 0.000
y 0.000 -23.826 0.000
z 0.000 0.000 -24.524
Traceless
 xyz
x 0.349 0.000 0.000
y 0.000 0.349 0.000
z 0.000 0.000 -0.698
Polar
3z2-r2-1.396
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 3.372 0.000 0.000
y 0.000 3.372 0.000
z 0.000 0.000 6.056


<r2> (average value of r2) Å2
<r2> 34.037
(<r2>)1/2 5.834