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

using model chemistry: CCSD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-7772.129436
Energy at 298.15K 
HF Energy-7771.484698
Nuclear repulsion energy818.855041
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/aug-cc-pVDZ
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 461 444 1.21      
2 A1 219 211 0.35      
3 E 609 587 20.49      
3 E 609 587 20.49      
4 E 157 151 0.21      
4 E 157 151 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 1106.0 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 1065.5 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 CCSD/aug-cc-pVDZ
ABC
0.04255 0.04255 0.02162

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.653
Br2 0.000 1.815 -0.044
Br3 1.571 -0.907 -0.044
Br4 -1.571 -0.907 -0.044

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.94371.94371.9437
Br21.94373.14303.1430
Br31.94373.14303.1430
Br41.94373.14303.1430

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 107.901 Br2 N1 Br4 107.901
Br3 N1 Br4 107.901
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability