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

using model chemistry: HF/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVQZ
 hartrees
Energy at 0K-2647.889253
Energy at 298.15K-2647.893271
HF Energy-2647.889253
Nuclear repulsion energy96.111260
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 HF/aug-cc-pVQZ
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' 4141 3762 133.31      
2 A' 1294 1175 45.96      
3 A' 748 679 19.79      

Unscaled Zero Point Vibrational Energy (zpe) 3091.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 2808.2 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 HF/aug-cc-pVQZ
ABC
22.32190 0.37343 0.36729

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.881 1.680 0.000
O2 0.020 1.408 0.000
Br3 0.020 -0.370 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.94202.2394
O20.94201.7778
Br32.23941.7778

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 106.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.296      
2 O -0.654      
3 Br 0.358      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.482 0.029 0.000 1.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.954 -3.204 0.000
y -3.204 -22.039 0.000
z 0.000 0.000 -25.107
Traceless
 xyz
x 0.619 -3.204 0.000
y -3.204 1.991 0.000
z 0.000 0.000 -2.610
Polar
3z2-r2-5.220
x2-y2-0.915
xy-3.204
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.603 -0.146 0.000
y -0.146 5.044 0.000
z 0.000 0.000 3.478


<r2> (average value of r2) Å2
<r2> 38.856
(<r2>)1/2 6.233