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

using model chemistry: B2PLYP=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-7738.264736
Energy at 298.15K-7738.273851
HF Energy-7738.169429
Nuclear repulsion energy784.699590
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 B2PLYP=FULL/3-21G
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 412 393 2.07      
2 A1 199 190 0.75      
3 E 539 513 68.36      
3 E 539 513 68.37      
4 E 139 132 0.50      
4 E 139 132 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 983.4 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 936.2 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 B2PLYP=FULL/3-21G
ABC
0.03907 0.03907 0.01986

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.682
Br2 0.000 1.894 -0.045
Br3 1.640 -0.947 -0.045
Br4 -1.640 -0.947 -0.045

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N12.02852.02852.0285
Br22.02853.27973.2797
Br32.02853.27973.2797
Br42.02853.27973.2797

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 107.880 Br2 N1 Br4 107.880
Br3 N1 Br4 107.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability