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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-2620.573036
Energy at 298.15K-2620.576987
HF Energy-2620.573036
Nuclear repulsion energy88.744648
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 BLYP/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' 3451 3193 47.08      
2 A' 1269 1174 13.47      
3 A' 702 649 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 2710.9 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 2508.1 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 BLYP/STO-3G
ABC
16.48019 0.32006 0.31396

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.021 1.682 0.000
O2 0.024 1.532 0.000
Br3 0.024 -0.398 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H11.05512.3278
O21.05511.9299
Br32.32781.9299

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 98.198
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.164      
2 O -0.188      
3 Br 0.023      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.229 0.402 0.000 1.293
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.420 -2.021 0.000
y -2.021 -20.186 0.000
z 0.000 0.000 -21.921
Traceless
 xyz
x 0.634 -2.021 0.000
y -2.021 0.984 0.000
z 0.000 0.000 -1.618
Polar
3z2-r2-3.236
x2-y2-0.233
xy-2.021
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.732 -0.402 0.000
y -0.402 2.633 0.000
z 0.000 0.000 0.085


<r2> (average value of r2) Å2
<r2> 41.232
(<r2>)1/2 6.421