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

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-7777.361387
Energy at 298.15K-7777.370337
HF Energy-7777.361387
Nuclear repulsion energy795.386785
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 BLYP/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 448 447 0.84      
2 A1 187 186 0.38      
3 E 441 439 112.62      
3 E 441 439 112.55      
4 E 129 128 2.62      
4 E 129 128 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 886.3 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 883.7 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 BLYP/cc-pVTZ
ABC
0.04010 0.04010 0.02036

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.649
Br2 0.000 1.870 -0.043
Br3 1.620 -0.935 -0.043
Br4 -1.620 -0.935 -0.043

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.99421.99421.9942
Br21.99423.23933.2393
Br31.99423.23933.2393
Br41.99423.23933.2393

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 108.618 Br2 N1 Br4 108.618
Br3 N1 Br4 108.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.262      
2 Br 0.087      
3 Br 0.087      
4 Br 0.087      


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 -0.499 0.499
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.864 0.000 0.000
y 0.000 -57.864 0.000
z 0.000 0.000 -61.641
Traceless
 xyz
x 1.889 0.000 0.000
y 0.000 1.889 0.000
z 0.000 0.000 -3.777
Polar
3z2-r2-7.554
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 13.718 0.000 0.000
y 0.000 13.718 0.000
z 0.000 0.000 6.384


<r2> (average value of r2) Å2
<r2> 407.333
(<r2>)1/2 20.182