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

using model chemistry: B2PLYP=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-2636.583248
Energy at 298.15K-2636.587184
HF Energy-2636.525648
Nuclear repulsion energy89.562828
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 B2PLYP=FULL/3-21G
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' 3394 3231 12.60      
2 A' 1215 1156 37.76      
3 A' 593 565 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 2600.9 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 2476.0 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 B2PLYP=FULL/3-21G
ABC
18.87404 0.32415 0.31868

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.956 1.739 0.000
O2 0.022 1.517 0.000
Br3 0.022 -0.396 0.000

Atom - Atom Distances (Å)
  H1 O2 Br3
H11.00322.3485
O21.00321.9129
Br32.34851.9129

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 102.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability