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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-7775.848679
Energy at 298.15K-7775.857763
HF Energy-7775.848679
Nuclear repulsion energy805.336536
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 PBEPBEultrafine/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 A1 474 471 1.41      
2 A1 197 196 0.38      
3 E 483 480 105.84      
3 E 483 480 105.84      
4 E 135 135 1.76      
4 E 135 135 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 954.4 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 948.5 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.04114 0.04114 0.02090

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.658
Br2 0.000 1.846 -0.044
Br3 1.598 -0.923 -0.044
Br4 -1.598 -0.923 -0.044

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.97471.97471.9747
Br21.97473.19663.1966
Br31.97473.19663.1966
Br41.97473.19663.1966

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 108.078 Br2 N1 Br4 108.078
Br3 N1 Br4 108.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.746      
2 Br 0.249      
3 Br 0.249      
4 Br 0.249      


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 -0.409 0.409
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.872 0.000 0.000
y 0.000 -57.872 0.000
z 0.000 0.000 -61.697
Traceless
 xyz
x 1.913 0.000 0.000
y 0.000 1.913 0.000
z 0.000 0.000 -3.826
Polar
3z2-r2-7.652
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 14.946 0.000 0.000
y 0.000 14.947 0.000
z 0.000 0.000 8.326


<r2> (average value of r2) Å2
<r2> 397.824
(<r2>)1/2 19.946