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

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-7772.757840
Energy at 298.15K-7772.767294
HF Energy-7771.723592
Nuclear repulsion energy837.376701
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/cc-pVTZ
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 449 419 1.61      
2 A1 235 219 0.31      
3 E 676 630 11.38      
3 E 676 630 11.37      
4 E 165 154 0.07      
4 E 165 154 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 1183.3 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 1103.5 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/cc-pVTZ
ABC
0.04441 0.04441 0.02253

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.600
Br2 0.000 1.778 -0.040
Br3 1.540 -0.889 -0.040
Br4 -1.540 -0.889 -0.040

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.88971.88971.8897
Br21.88973.07933.0793
Br31.88973.07933.0793
Br41.88973.07933.0793

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 109.129 Br2 N1 Br4 109.129
Br3 N1 Br4 109.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability