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All results from a given calculation for HBr (hydrogen bromide)

using model chemistry: MP2/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at MP2/daug-cc-pVDZ
 hartrees
Energy at 0K-2573.126262
Energy at 298.15K-2573.129240
HF Energy-2572.974011
Nuclear repulsion energy13.042473
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 MP2/daug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2728 2728 13.71      

Unscaled Zero Point Vibrational Energy (zpe) 1364.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1364.1 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 MP2/daug-cc-pVDZ
B
8.40048

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/daug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.000 -1.381
Br2 0.000 0.000 0.039

Atom - Atom Distances (Å)
  H1 Br2
H11.4201
Br21.4201

picture of hydrogen bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability