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

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-7781.208161
Energy at 298.15K 
HF Energy-7781.208161
Nuclear repulsion energy804.670036
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 B97D3/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 457 451 0.72 7.00 0.00 0.00
2 A1 195 192 0.34 23.25 0.12 0.21
3 E 459 452 108.30 2.61 0.75 0.86
3 E 459 452 108.31 2.61 0.75 0.86
4 E 135 133 2.40 6.14 0.75 0.86
4 E 135 133 2.40 6.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 919.1 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 906.3 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 B97D3/cc-pVTZ
ABC
0.04105 0.04105 0.02084

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.644
Br2 0.000 1.848 -0.043
Br3 1.601 -0.924 -0.043
Br4 -1.601 -0.924 -0.043

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.97201.97201.9720
Br21.97203.20153.2015
Br31.97203.20153.2015
Br41.97203.20153.2015

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 108.531 Br2 N1 Br4 108.531
Br3 N1 Br4 108.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.250      
2 Br 0.083      
3 Br 0.083      
4 Br 0.083      


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 -0.487 0.487
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.165 0.000 0.000
y 0.000 -57.165 0.000
z 0.000 0.000 -60.870
Traceless
 xyz
x 1.853 0.000 0.000
y 0.000 1.853 0.000
z 0.000 0.000 -3.706
Polar
3z2-r2-7.411
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 13.313 0.000 0.000
y 0.000 13.313 0.000
z 0.000 0.000 6.338


<r2> (average value of r2) Å2
<r2> 398.315
(<r2>)1/2 19.958