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

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-2649.467386
Energy at 298.15K-2649.471327
HF Energy-2649.467386
Nuclear repulsion energy92.257177
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 PBEPBE/6-311+G(3df,2p)
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' 3689 3658 76.36      
2 A' 1149 1139 45.44      
3 A' 611 606 11.09      

Unscaled Zero Point Vibrational Energy (zpe) 2724.0 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 2701.7 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 PBEPBE/6-311+G(3df,2p)
ABC
19.89947 0.34402 0.33818

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.931 1.682 0.000
O2 0.022 1.473 0.000
Br3 0.022 -0.385 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.97522.2754
O20.97521.8573
Br32.27541.8573

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 102.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.256      
2 O -0.410      
3 Br 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.398 0.005 0.000 1.398
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.026 -3.046 0.000
y -3.046 -22.047 0.000
z 0.000 0.000 -25.420
Traceless
 xyz
x 0.707 -3.046 0.000
y -3.046 2.176 0.000
z 0.000 0.000 -2.884
Polar
3z2-r2-5.767
x2-y2-0.979
xy-3.046
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.777 -0.140 0.000
y -0.140 5.307 0.000
z 0.000 0.000 3.678


<r2> (average value of r2) Å2
<r2> 40.920
(<r2>)1/2 6.397