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

using model chemistry: LSDA/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 LSDA/cc-pVDZ
 hartrees
Energy at 0K-7768.321208
Energy at 298.15K-7768.330397
HF Energy-7768.321208
Nuclear repulsion energy818.857642
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 LSDA/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 481 476 0.23      
2 A1 208 205 0.47      
3 E 530 525 119.49      
3 E 530 524 119.54      
4 E 142 140 1.32      
4 E 142 140 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 1016.1 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 1005.0 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 LSDA/cc-pVDZ
ABC
0.04253 0.04253 0.02160

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.644
Br2 0.000 1.815 -0.043
Br3 1.572 -0.908 -0.043
Br4 -1.572 -0.908 -0.043

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.94091.94091.9409
Br21.94093.14453.1445
Br31.94093.14453.1445
Br41.94093.14453.1445

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 108.203 Br2 N1 Br4 108.203
Br3 N1 Br4 108.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.351      
2 Br 0.117      
3 Br 0.117      
4 Br 0.117      


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 -0.719 0.719
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.392 0.000 0.000
y 0.000 -56.392 0.000
z 0.000 0.000 -60.681
Traceless
 xyz
x 2.145 0.000 0.000
y 0.000 2.145 0.000
z 0.000 0.000 -4.289
Polar
3z2-r2-8.579
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 10.965 0.000 0.000
y 0.000 10.965 0.000
z 0.000 0.000 4.562


<r2> (average value of r2) Å2
<r2> 385.273
(<r2>)1/2 19.628