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

using model chemistry: CCD/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/STO-3G
 hartrees
Energy at 0K-2619.104988
Energy at 298.15K-2619.108940
HF Energy-2619.023851
Nuclear repulsion energy89.701259
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 CCD/STO-3G
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' 3609 3609 70.14      
2 A' 1353 1353 17.91      
3 A' 689 689 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 2825.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2825.3 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 CCD/STO-3G
ABC
17.02384 0.32682 0.32066

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.004 1.672 0.000
O2 0.023 1.515 0.000
Br3 0.023 -0.394 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H11.03962.3072
O21.03961.9094
Br32.30721.9094

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 98.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability