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

using model chemistry: CCD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-2688.810940
Energy at 298.15K-2688.814405
HF Energy-2688.505570
Nuclear repulsion energy135.687509
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 CCD/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 A' 1467 1426 398.56      
2 A' 544 529 31.54      
3 A' 272 265 18.73      

Unscaled Zero Point Vibrational Energy (zpe) 1141.1 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 1109.5 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 CCD/3-21G
ABC
2.57166 0.11974 0.11441

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.507 -1.371 0.000
Br2 0.000 0.752 0.000
O3 -0.444 -2.092 0.000

Atom - Atom Distances (Å)
  N1 Br2 O3
N12.18301.1934
Br22.18302.8789
O31.19342.8789

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 113.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability