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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-2647.470423
Energy at 298.15K-2647.474371
HF Energy-2647.470423
Nuclear repulsion energy91.874256
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/6-31G**
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' 3779 3631 62.78      
2 A' 1187 1141 48.80      
3 A' 622 597 4.98      

Unscaled Zero Point Vibrational Energy (zpe) 2793.9 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 2684.4 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/6-31G**
ABC
19.96152 0.34082 0.33510

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.929 1.680 0.000
O2 0.022 1.480 0.000
Br3 0.022 -0.386 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.97142.2746
O20.97141.8667
Br32.27461.8667

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 101.863
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.346      
2 O -0.491      
3 Br 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.574 -0.099 0.000 1.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.444 -3.159 0.000
y -3.159 -21.398 0.000
z 0.000 0.000 -24.645
Traceless
 xyz
x 0.577 -3.159 0.000
y -3.159 2.147 0.000
z 0.000 0.000 -2.724
Polar
3z2-r2-5.447
x2-y2-1.046
xy-3.159
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.465 -0.241 0.000
y -0.241 4.240 0.000
z 0.000 0.000 2.083


<r2> (average value of r2) Å2
<r2> 40.721
(<r2>)1/2 6.381