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

using model chemistry: MP3=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP3=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-7773.397345
Energy at 298.15K 
HF Energy-7771.460228
Nuclear repulsion energy835.897150
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 MP3=FULL/6-311+G(3df,2p)
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 451 451 2.11      
2 A1 238 238 0.33      
3 E 677 677 10.01      
3 E 677 677 10.01      
4 E 167 167 0.07      
4 E 167 167 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 1189.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1189.1 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 MP3=FULL/6-311+G(3df,2p)
ABC
0.04424 0.04424 0.02243

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.594
Br2 0.000 1.782 -0.040
Br3 1.543 -0.891 -0.040
Br4 -1.543 -0.891 -0.040

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.89081.89081.8908
Br21.89083.08593.0859
Br31.89083.08593.0859
Br41.89083.08593.0859

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 109.376 Br2 N1 Br4 109.376
Br3 N1 Br4 109.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability