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

using model chemistry: CISD/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 CISD/daug-cc-pVDZ
 hartrees
Energy at 0K-2573.132817
Energy at 298.15K-2573.135795
HF Energy-2572.974000
Nuclear repulsion energy13.031461
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 CISD/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 2713 2713 7.77      

Unscaled Zero Point Vibrational Energy (zpe) 1356.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1356.3 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 CISD/daug-cc-pVDZ
B
8.38630

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.000 -1.382
Br2 0.000 0.000 0.039

Atom - Atom Distances (Å)
  H1 Br2
H11.4213
Br21.4213

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