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: HF/cc-pVQZ

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 HF/cc-pVQZ
 hartrees
Energy at 0K-2626.859641
Energy at 298.15K-2626.862492
HF Energy-2626.859641
Nuclear repulsion energy71.611718
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 HF/cc-pVQZ
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 650 591 38.43      

Unscaled Zero Point Vibrational Energy (zpe) 325.0 cm-1
Scaled (by 0.9084) Zero Point Vibrational Energy (zpe) 295.2 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 HF/cc-pVQZ
B
0.43246

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.509
Br2 0.000 0.000 0.302

Atom - Atom Distances (Å)
  N1 Br2
N11.8104
Br21.8104

picture of nitrogen monobromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.115      
2 Br 0.115      


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 0.672 0.672
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.838 0.000 0.000
y 0.000 -23.838 0.000
z 0.000 0.000 -23.947
Traceless
 xyz
x 0.055 0.000 0.000
y 0.000 0.055 0.000
z 0.000 0.000 -0.110
Polar
3z2-r2-0.219
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 3.067 0.000 0.000
y 0.000 3.067 0.000
z 0.000 0.000 5.323


<r2> (average value of r2) Å2
<r2> 34.031
(<r2>)1/2 5.834