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

using model chemistry: CCD/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 CCD/cc-pVTZ
 hartrees
Energy at 0K-7772.628254
Energy at 298.15K-7772.637684
HF Energy-7771.722837
Nuclear repulsion energy833.767682
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 446 417 1.29      
2 A1 232 217 0.29      
3 E 664 620 11.62      
3 E 664 620 11.62      
4 E 163 152 0.09      
4 E 163 152 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 1166.5 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 1089.2 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/cc-pVTZ
ABC
0.04405 0.04405 0.02236

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.615
Br2 0.000 1.785 -0.041
Br3 1.545 -0.892 -0.041
Br4 -1.545 -0.892 -0.041

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.90111.90111.9011
Br21.90113.09093.0909
Br31.90113.09093.0909
Br41.90113.09093.0909

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 108.763 Br2 N1 Br4 108.763
Br3 N1 Br4 108.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability