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All results from a given calculation for HOBr (Hypobromous acid)

using model chemistry: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-2647.342285
Energy at 298.15K-2647.346235
HF Energy-2647.342285
Nuclear repulsion energy92.045201
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**
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' 3748 3594 59.17      
2 A' 1182 1133 48.88      
3 A' 628 602 4.92      

Unscaled Zero Point Vibrational Energy (zpe) 2778.9 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 2664.1 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**
ABC
19.77848 0.34231 0.33648

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.933 1.670 0.000
O2 0.022 1.478 0.000
Br3 0.022 -0.385 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.97402.2665
O20.97401.8631
Br32.26651.8631

picture of Hypobromous acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 Br3 101.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.355      
2 O -0.492      
3 Br 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.589 -0.108 0.000 1.593
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.490 -0.235 0.000
y -0.235 4.235 0.000
z 0.000 0.000 2.106


<r2> (average value of r2) Å2
<r2> 40.579
(<r2>)1/2 6.370