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

using model chemistry: PBE1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-2649.625535
Energy at 298.15K-2649.629511
HF Energy-2649.625535
Nuclear repulsion energy94.091125
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 PBE1PBE/cc-pVTZ
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' 3842 3692 92.35      
2 A' 1206 1159 44.00      
3 A' 665 639 11.64      

Unscaled Zero Point Vibrational Energy (zpe) 2856.7 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 2745.3 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 PBE1PBE/cc-pVTZ
ABC
20.57359 0.35815 0.35203

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.916 1.664 0.000
O2 0.021 1.442 0.000
Br3 0.021 -0.377 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.96342.2463
O20.96341.8191
Br32.24631.8191

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 103.339
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.224      
2 O -0.333      
3 Br 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.478 0.020 0.000 1.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.743 -3.039 0.000
y -3.039 -21.607 0.000
z 0.000 0.000 -24.958
Traceless
 xyz
x 0.540 -3.039 0.000
y -3.039 2.243 0.000
z 0.000 0.000 -2.783
Polar
3z2-r2-5.567
x2-y2-1.136
xy-3.039
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.812 -0.191 0.000
y -0.191 4.479 0.000
z 0.000 0.000 2.522


<r2> (average value of r2) Å2
<r2> 39.670
(<r2>)1/2 6.298