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

using model chemistry: B3LYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-2649.993306
Energy at 298.15K-2649.997261
HF Energy-2649.993306
Nuclear repulsion energy92.895268
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/Def2TZVPP
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' 3790 3648 86.00      
2 A' 1188 1144 42.94      
3 A' 631 607 10.67      

Unscaled Zero Point Vibrational Energy (zpe) 2804.5 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 2699.6 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/Def2TZVPP
ABC
20.48643 0.34864 0.34280

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.912 1.700 0.000
O2 0.021 1.458 0.000
Br3 0.021 -0.382 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.96432.2816
O20.96431.8399
Br32.28161.8399

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 104.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.208      
2 O -0.299      
3 Br 0.091      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.493 -0.072 0.000 1.495
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.930 -3.096 0.000
y -3.096 -21.896 0.000
z 0.000 0.000 -25.159
Traceless
 xyz
x 0.597 -3.096 0.000
y -3.096 2.148 0.000
z 0.000 0.000 -2.745
Polar
3z2-r2-5.491
x2-y2-1.034
xy-3.096
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.942 -0.184 0.000
y -0.184 4.824 0.000
z 0.000 0.000 2.667


<r2> (average value of r2) Å2
<r2> 40.480
(<r2>)1/2 6.362