return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for BrONO (Bromine nitrite)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-2776.823786
Energy at 298.15K-2776.827831
HF Energy-2776.823786
Nuclear repulsion energy229.836069
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 TPSSh/6-31G(2df,p)
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' 1811 1747 316.14      
2 A' 873 843 127.99      
3 A' 615 594 182.47      
4 A' 396 382 59.51      
5 A' 227 219 0.03      
6 A" 173 167 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2047.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 1975.8 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 TPSSh/6-31G(2df,p)
ABC
1.71892 0.06821 0.06560

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 -0.699 -0.813 0.000
O2 0.000 0.870 0.000
N3 1.424 0.844 0.000
O4 1.810 1.947 0.000

Atom - Atom Distances (Å)
  Br1 O2 N3 O4
Br11.82242.69303.7299
O21.82241.42472.1063
N32.69301.42471.1688
O43.72992.10631.1688

picture of Bromine nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 O2 N3 111.479 O2 N3 O4 108.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability