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

using model chemistry: CCD/TZVP

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/TZVP
 hartrees
Energy at 0K-7772.420431
Energy at 298.15K-7772.429798
HF Energy-7771.562410
Nuclear repulsion energy823.515053
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/TZVP
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 443 420 0.83      
2 A1 227 215 0.36      
3 E 634 601 19.15      
3 E 634 601 19.15      
4 E 158 150 0.18      
4 E 158 150 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 1126.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 1067.8 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/TZVP
ABC
0.04297 0.04297 0.02181

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.620
Br2 0.000 1.807 -0.041
Br3 1.565 -0.903 -0.041
Br4 -1.565 -0.903 -0.041

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.92401.92401.9240
Br21.92403.12983.1298
Br31.92403.12983.1298
Br41.92403.12983.1298

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 108.846 Br2 N1 Br4 108.846
Br3 N1 Br4 108.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability