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

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-2649.558731
Energy at 298.15K-2649.562693
HF Energy-2649.403896
Nuclear repulsion energy93.233589
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 B2PLYP/cc-pVTZ
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' 3792 3638 85.00      
2 A' 1202 1153 42.56      
3 A' 639 613 9.45      

Unscaled Zero Point Vibrational Energy (zpe) 2816.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2701.9 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 B2PLYP/cc-pVTZ
ABC
20.35963 0.35137 0.34541

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.916 1.679 0.000
O2 0.021 1.452 0.000
Br3 0.021 -0.380 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.96422.2624
O20.96421.8323
Br32.26241.8323

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 103.608
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.231      
2 O -0.349      
3 Br 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.476 -0.056 0.000 1.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.886 -3.028 0.000
y -3.028 -21.829 0.000
z 0.000 0.000 -25.103
Traceless
 xyz
x 0.579 -3.028 0.000
y -3.028 2.166 0.000
z 0.000 0.000 -2.746
Polar
3z2-r2-5.491
x2-y2-1.058
xy-3.028
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.789 -0.200 0.000
y -0.200 4.539 0.000
z 0.000 0.000 2.482


<r2> (average value of r2) Å2
<r2> 40.239
(<r2>)1/2 6.343