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All results from a given calculation for BrNO (Nitrosyl bromide)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-2699.565408
Energy at 298.15K-2699.568876
HF Energy-2699.083575
Nuclear repulsion energy135.592628
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 MP2/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 1862 1756 482.48      
2 A' 543 512 55.99      
3 A' 273 257 39.56      

Unscaled Zero Point Vibrational Energy (zpe) 1338.7 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 1262.4 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 MP2/6-31G*
ABC
2.73925 0.11805 0.11317

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.480 -1.393 0.000
Br2 0.000 0.760 0.000
O3 -0.420 -2.105 0.000

Atom - Atom Distances (Å)
  N1 Br2 O3
N12.20491.1472
Br22.20492.8946
O31.14722.8946

picture of Nitrosyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 N1 O3 115.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability