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

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-2620.201936
Energy at 298.15K-2620.205898
HF Energy-2620.201936
Nuclear repulsion energy89.409402
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 PBEPBE/STO-3G
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' 3531 3226 39.10      
2 A' 1281 1171 15.68      
3 A' 724 661 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 2768.0 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 2528.8 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 PBEPBE/STO-3G
ABC
16.65477 0.32492 0.31870

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.015 1.664 0.000
O2 0.024 1.521 0.000
Br3 0.024 -0.395 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H11.04852.3062
O21.04851.9158
Br32.30621.9158

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 97.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.173      
2 O -0.192      
3 Br 0.019      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.267 0.455 0.000 1.346
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.390 -2.059 0.000
y -2.059 -20.194 0.000
z 0.000 0.000 -21.917
Traceless
 xyz
x 0.665 -2.059 0.000
y -2.059 0.959 0.000
z 0.000 0.000 -1.625
Polar
3z2-r2-3.249
x2-y2-0.196
xy-2.059
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.712 -0.377 0.000
y -0.377 2.552 0.000
z 0.000 0.000 0.087


<r2> (average value of r2) Å2
<r2> 40.799
(<r2>)1/2 6.387