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: B3LYP/CEP-121G

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 B3LYP/CEP-121G
 hartrees
Energy at 0K-23.153868
Energy at 298.15K-23.156697
HF Energy-23.153868
Nuclear repulsion energy9.615203
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 B3LYP/CEP-121G
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 608 592 46.53      

Unscaled Zero Point Vibrational Energy (zpe) 303.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 296.0 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 B3LYP/CEP-121G
B
0.38202

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.605
Br2 0.000 0.000 0.321

Atom - Atom Distances (Å)
  N1 Br2
N11.9262
Br21.9262

picture of nitrogen monobromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.179      
2 Br 0.179      


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 0.806 0.806
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.461 0.000 0.000
y 0.000 -20.461 0.000
z 0.000 0.000 -20.937
Traceless
 xyz
x 0.238 0.000 0.000
y 0.000 0.238 0.000
z 0.000 0.000 -0.476
Polar
3z2-r2-0.952
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 0.986 0.000 0.000
y 0.000 0.986 0.000
z 0.000 0.000 5.528


<r2> (average value of r2) Å2
<r2> 26.483
(<r2>)1/2 5.146