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

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-2647.464434
Energy at 298.15K-2647.468355
HF Energy-2647.464434
Nuclear repulsion energy90.099555
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 BLYP/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' 3554 3525 39.66      
2 A' 1173 1164 48.67      
3 A' 583 578 3.59      

Unscaled Zero Point Vibrational Energy (zpe) 2655.0 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 2633.5 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 BLYP/6-31G*
ABC
19.15494 0.32763 0.32212

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.932 1.724 0.000
O2 0.022 1.497 0.000
Br3 0.022 -0.391 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.98072.3208
O20.98071.8887
Br32.32081.8887

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 103.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.407      
2 O -0.533      
3 Br 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.546 -0.092 0.000 1.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.483 -3.113 0.000
y -3.113 -21.420 0.000
z 0.000 0.000 -24.715
Traceless
 xyz
x 0.584 -3.113 0.000
y -3.113 2.179 0.000
z 0.000 0.000 -2.763
Polar
3z2-r2-5.526
x2-y2-1.063
xy-3.113
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.530 -0.253 0.000
y -0.253 4.328 0.000
z 0.000 0.000 2.096


<r2> (average value of r2) Å2
<r2> 41.782
(<r2>)1/2 6.464