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

using model chemistry: B3LYPultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-7739.755491
Energy at 298.15K-7739.764666
HF Energy-7739.755491
Nuclear repulsion energy787.442827
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/3-21G
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 445 430 0.93      
2 A1 205 198 0.60      
3 E 550 531 101.11      
3 E 550 531 101.12      
4 E 140 136 0.71      
4 E 140 136 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 1016.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 980.4 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/3-21G
ABC
0.03929 0.03929 0.01994

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.648
Br2 0.000 1.890 -0.043
Br3 1.637 -0.945 -0.043
Br4 -1.637 -0.945 -0.043

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N12.01212.01212.0121
Br22.01213.27323.2732
Br32.01213.27323.2732
Br42.01213.27323.2732

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 108.849 Br2 N1 Br4 108.849
Br3 N1 Br4 108.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.483      
2 Br 0.161      
3 Br 0.161      
4 Br 0.161      


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 -0.977 0.977
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.830 0.000 0.000
y 0.000 -56.830 0.000
z 0.000 0.000 -60.938
Traceless
 xyz
x 2.054 0.000 0.000
y 0.000 2.054 0.000
z 0.000 0.000 -4.108
Polar
3z2-r2-8.216
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 10.014 0.000 0.000
y 0.000 10.014 0.000
z 0.000 0.000 2.380


<r2> (average value of r2) Å2
<r2> 414.458
(<r2>)1/2 20.358