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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-2647.051537
Energy at 298.15K-2647.055503
HF Energy-2647.051537
Nuclear repulsion energy92.944037
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 PBE1PBE/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' 3786 3598 74.98      
2 A' 1235 1174 50.25      
3 A' 651 619 6.30      

Unscaled Zero Point Vibrational Energy (zpe) 2836.1 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 2695.2 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 PBE1PBE/6-31G*
ABC
20.04659 0.34930 0.34332

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.927 1.667 0.000
O2 0.022 1.462 0.000
Br3 0.022 -0.382 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.97082.2575
O20.97081.8434
Br32.25751.8434

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 102.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.444      
2 O -0.592      
3 Br 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.621 -0.057 0.000 1.622
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.390 -3.239 0.000
y -3.239 -21.364 0.000
z 0.000 0.000 -24.678
Traceless
 xyz
x 0.631 -3.239 0.000
y -3.239 2.170 0.000
z 0.000 0.000 -2.801
Polar
3z2-r2-5.602
x2-y2-1.026
xy-3.239
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.444 -0.218 0.000
y -0.218 4.130 0.000
z 0.000 0.000 2.088


<r2> (average value of r2) Å2
<r2> 40.097
(<r2>)1/2 6.332