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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-7775.739917
Energy at 298.15K-7775.749153
HF Energy-7775.515447
Nuclear repulsion energy813.731974
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/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 458 440 0.91      
2 A1 212 204 0.39      
3 E 553 531 46.47      
3 E 552 531 46.43      
4 E 149 143 0.56      
4 E 149 143 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 1035.8 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 996.2 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/aug-cc-pVDZ
ABC
0.04203 0.04203 0.02137

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.665
Br2 0.000 1.825 -0.044
Br3 1.581 -0.913 -0.044
Br4 -1.581 -0.913 -0.044

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.95831.95831.9583
Br21.95833.16163.1616
Br31.95833.16163.1616
Br41.95833.16163.1616

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 107.652 Br2 N1 Br4 107.652
Br3 N1 Br4 107.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability