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All results from a given calculation for NBr (nitrogen monobromide)

using model chemistry: B3PW91/3-21G

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 B3PW91/3-21G
 hartrees
Energy at 0K-2616.096409
Energy at 298.15K-2616.099258
HF Energy-2616.096409
Nuclear repulsion energy68.395230
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 B3PW91/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 649 624 48.52      

Unscaled Zero Point Vibrational Energy (zpe) 324.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 311.8 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 B3PW91/3-21G
B
0.39448

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.580
Br2 0.000 0.000 0.316

Atom - Atom Distances (Å)
  N1 Br2
N11.8956
Br21.8956

picture of nitrogen monobromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.202      
2 Br 0.202      


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 0.837 0.837
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.265 0.000 0.000
y 0.000 -23.265 0.000
z 0.000 0.000 -23.885
Traceless
 xyz
x 0.310 0.000 0.000
y 0.000 0.310 0.000
z 0.000 0.000 -0.620
Polar
3z2-r2-1.239
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 0.939 0.000 0.000
y 0.000 0.939 0.000
z 0.000 0.000 4.544


<r2> (average value of r2) Å2
<r2> 35.620
(<r2>)1/2 5.968