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

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-7776.264010
Energy at 298.15K-7776.273342
HF Energy-7776.264010
Nuclear repulsion energy828.220658
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 HSEh1PBE/cc-pVTZ
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 463 445 1.12      
2 A1 223 215 0.31      
3 E 602 578 47.17      
3 E 602 578 47.16      
4 E 154 148 0.39      
4 E 154 148 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 1098.0 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 1055.3 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 HSEh1PBE/cc-pVTZ
ABC
0.04347 0.04347 0.02206

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.618
Br2 0.000 1.797 -0.041
Br3 1.556 -0.898 -0.041
Br4 -1.556 -0.898 -0.041

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.91371.91371.9137
Br21.91373.11173.1117
Br31.91373.11173.1117
Br41.91373.11173.1117

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 108.776 Br2 N1 Br4 108.776
Br3 N1 Br4 108.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.287      
2 Br 0.096      
3 Br 0.096      
4 Br 0.096      


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 -0.609 0.609
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.072 0.000 0.000
y 0.000 -57.072 0.000
z 0.000 0.000 -61.484
Traceless
 xyz
x 2.206 0.000 0.000
y 0.000 2.206 0.000
z 0.000 0.000 -4.412
Polar
3z2-r2-8.823
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 11.960 0.000 0.000
y 0.000 11.959 0.000
z 0.000 0.000 6.198


<r2> (average value of r2) Å2
<r2> 378.302
(<r2>)1/2 19.450