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

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-2645.602654
Energy at 298.15K-2645.606602
HF Energy-2645.258417
Nuclear repulsion energy91.818206
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 CCSD=FULL/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' 3726 3539 64.78      
2 A' 1242 1180 50.61      
3 A' 618 587 3.46      

Unscaled Zero Point Vibrational Energy (zpe) 2793.2 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 2652.9 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 CCSD=FULL/6-31G*
ABC
19.81886 0.34061 0.33486

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.924 1.708 0.000
O2 0.021 1.475 0.000
Br3 0.021 -0.386 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H10.97402.2974
O20.97401.8605
Br32.29741.8605

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 103.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability