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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-2647.604875
Energy at 298.15K-2647.608853
HF Energy-2647.604875
Nuclear repulsion energy94.604049
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 B3PW91/6-31G(2df,p)
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' 3820 3672 82.59      
2 A' 1198 1152 51.43      
3 A' 676 650 11.54      

Unscaled Zero Point Vibrational Energy (zpe) 2847.2 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 2737.3 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 B3PW91/6-31G(2df,p)
ABC
20.54094 0.36241 0.35613

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.917 1.660 0.000
O2 0.021 1.433 0.000
Br3 0.021 -0.375 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.96542.2408
O20.96541.8080
Br32.24081.8080

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 103.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.344      
2 O -0.544      
3 Br 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.428 0.225 0.000 1.446
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.299 -3.011 0.000
y -3.011 -21.276 0.000
z 0.000 0.000 -24.517
Traceless
 xyz
x 0.598 -3.011 0.000
y -3.011 2.132 0.000
z 0.000 0.000 -2.730
Polar
3z2-r2-5.460
x2-y2-1.023
xy-3.011
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.187 -0.207 0.000
y -0.207 4.544 0.000
z 0.000 0.000 2.942


<r2> (average value of r2) Å2
<r2> 39.141
(<r2>)1/2 6.256