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

using model chemistry: CCSD=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 CCSD=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-7773.442016
Energy at 298.15K 
HF Energy-7771.459496
Nuclear repulsion energy832.720557
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 CCSD=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 448 448 1.94      
2 A1 232 232 0.33      
3 E 659 659 12.49      
3 E 659 659 12.49      
4 E 164 164 0.09      
4 E 164 164 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 1163.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1163.0 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 CCSD=FULL/6-311+G(3df,2p)
ABC
0.04393 0.04393 0.02229

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.607
Br2 0.000 1.787 -0.040
Br3 1.548 -0.894 -0.040
Br4 -1.548 -0.894 -0.040

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.90121.90121.9012
Br21.90123.09603.0960
Br31.90123.09603.0960
Br41.90123.09603.0960

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 109.024 Br2 N1 Br4 109.024
Br3 N1 Br4 109.024
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability