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

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-7764.521578
Energy at 298.15K-7764.530906
HF Energy-7763.973728
Nuclear repulsion energy818.472009
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 CCD/6-31G*
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 453 429 0.25      
2 A1 227 214 0.34      
3 E 596 564 18.24      
3 E 596 564 18.23      
4 E 163 154 0.25      
4 E 163 154 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 1099.0 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 1040.2 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 CCD/6-31G*
ABC
0.04255 0.04255 0.02165

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.674
Br2 0.000 1.814 -0.045
Br3 1.571 -0.907 -0.045
Br4 -1.571 -0.907 -0.045

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.95091.95091.9509
Br21.95093.14123.1412
Br31.95093.14123.1412
Br41.95093.14123.1412

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 107.228 Br2 N1 Br4 107.228
Br3 N1 Br4 107.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability