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

using model chemistry: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-2647.495570
Energy at 298.15K-2647.499490
HF Energy-2647.495570
Nuclear repulsion energy90.256855
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/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3622 3602 69.79      
2 A' 1129 1123 43.09      
3 A' 583 580 7.53      

Unscaled Zero Point Vibrational Energy (zpe) 2667.1 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 2653.0 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 BLYP/6-31+G**
ABC
19.51773 0.32868 0.32324

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.940 1.714 0.000
O2 0.022 1.507 0.000
Br3 0.022 -0.393 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.98342.3161
O20.98341.9007
Br32.31611.9007

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 102.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.348      
2 O -0.449      
3 Br 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.598 -0.179 0.000 1.608
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.247 -3.372 0.000
y -3.372 -22.312 0.000
z 0.000 0.000 -25.714
Traceless
 xyz
x 0.766 -3.372 0.000
y -3.372 2.169 0.000
z 0.000 0.000 -2.935
Polar
3z2-r2-5.869
x2-y2-0.935
xy-3.372
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.057 -0.132 0.000
y -0.132 4.985 0.000
z 0.000 0.000 2.940


<r2> (average value of r2) Å2
<r2> 42.271
(<r2>)1/2 6.502