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

using model chemistry: B2PLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-7775.950821
Energy at 298.15K 
HF Energy-7775.606216
Nuclear repulsion energy821.522923
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 B2PLYP/Def2TZVPP
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 444 444 0.72 11.21 0.01 0.01
2 A1 216 216 0.37 14.03 0.12 0.21
3 E 570 570 40.26 5.21 0.75 0.86
3 E 570 570 40.26 5.21 0.75 0.86
4 E 151 151 0.41 4.61 0.75 0.86
4 E 151 151 0.41 4.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1051.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1051.2 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 B2PLYP/Def2TZVPP
ABC
0.04280 0.04280 0.02174

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.640
Br2 0.000 1.810 -0.043
Br3 1.567 -0.905 -0.043
Br4 -1.567 -0.905 -0.043

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.93411.93411.9341
Br21.93413.13453.1345
Br31.93413.13453.1345
Br41.93413.13453.1345

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 108.251 Br2 N1 Br4 108.251
Br3 N1 Br4 108.251
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.118      
2 Br 0.039      
3 Br 0.039      
4 Br 0.039      


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 -0.602 0.602
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.489 0.000 0.000
y 0.000 -57.489 0.000
z 0.000 0.000 -61.813
Traceless
 xyz
x 2.162 0.000 0.000
y 0.000 2.162 0.000
z 0.000 0.000 -4.324
Polar
3z2-r2-8.649
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 12.282 0.000 0.000
y 0.000 12.282 0.000
z 0.000 0.000 6.589


<r2> (average value of r2) Å2
<r2> 383.738
(<r2>)1/2 19.589