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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-2649.543541
Energy at 298.15K-2649.547490
HF Energy-2649.543541
Nuclear repulsion energy92.427510
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 PBEPBEultrafine/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' 3668 3643 69.47      
2 A' 1159 1151 44.20      
3 A' 622 617 9.08      

Unscaled Zero Point Vibrational Energy (zpe) 2724.5 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 2705.7 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 PBEPBEultrafine/cc-pVTZ
ABC
19.79754 0.34542 0.33950

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.933 1.672 0.000
O2 0.022 1.470 0.000
Br3 0.022 -0.384 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.97592.2669
O20.97591.8540
Br32.26691.8540

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 101.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.222      
2 O -0.320      
3 Br 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.442 0.017 0.000 1.442
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.866 -2.968 0.000
y -2.968 -21.680 0.000
z 0.000 0.000 -25.096
Traceless
 xyz
x 0.522 -2.968 0.000
y -2.968 2.301 0.000
z 0.000 0.000 -2.823
Polar
3z2-r2-5.646
x2-y2-1.186
xy-2.968
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.900 -0.203 0.000
y -0.203 4.608 0.000
z 0.000 0.000 2.578


<r2> (average value of r2) Å2
<r2> 40.633
(<r2>)1/2 6.374