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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-2644.300138
Energy at 298.15K-2644.304096
HF Energy-2644.300138
Nuclear repulsion energy92.990868
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 LSDA/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' 3641 3573 70.61      
2 A' 1181 1159 55.98      
3 A' 645 632 7.29      

Unscaled Zero Point Vibrational Energy (zpe) 2733.1 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 2682.0 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 LSDA/6-31G*
ABC
19.43758 0.35027 0.34407

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.941 1.655 0.000
O2 0.022 1.460 0.000
Br3 0.022 -0.381 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.98292.2529
O20.98291.8415
Br32.25291.8415

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 101.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.439      
2 O -0.563      
3 Br 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.638 -0.016 0.000 1.639
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.340 -3.242 0.000
y -3.242 -21.319 0.000
z 0.000 0.000 -24.672
Traceless
 xyz
x 0.656 -3.242 0.000
y -3.242 2.187 0.000
z 0.000 0.000 -2.843
Polar
3z2-r2-5.686
x2-y2-1.021
xy-3.242
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.480 -0.222 0.000
y -0.222 4.020 0.000
z 0.000 0.000 2.090


<r2> (average value of r2) Å2
<r2> 40.018
(<r2>)1/2 6.326