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

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-2649.937144
Energy at 298.15K-2649.941083
HF Energy-2649.937144
Nuclear repulsion energy91.579266
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 B3LYP/6-311G**
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' 3786 3661 75.73      
2 A' 1170 1132 41.13      
3 A' 605 585 3.80      

Unscaled Zero Point Vibrational Energy (zpe) 2780.6 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 2688.3 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 B3LYP/6-311G**
ABC
20.19878 0.33830 0.33273

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.924 1.691 0.000
O2 0.021 1.485 0.000
Br3 0.021 -0.388 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.96742.2839
O20.96741.8733
Br32.28391.8733

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 102.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.282      
2 O -0.436      
3 Br 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.647 -0.222 0.000 1.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.837 -3.217 0.000
y -3.217 -21.805 0.000
z 0.000 0.000 -25.049
Traceless
 xyz
x 0.590 -3.217 0.000
y -3.217 2.138 0.000
z 0.000 0.000 -2.728
Polar
3z2-r2-5.456
x2-y2-1.032
xy-3.217
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.159 -0.242 0.000
y -0.242 4.239 0.000
z 0.000 0.000 1.776


<r2> (average value of r2) Å2
<r2> 41.161
(<r2>)1/2 6.416