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

using model chemistry: B3LYP/daug-cc-pVTZ

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 B3LYP/daug-cc-pVTZ
 hartrees
Energy at 0K-2574.836954
Energy at 298.15K-2574.839932
HF Energy-2574.836954
Nuclear repulsion energy13.003610
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 B3LYP/daug-cc-pVTZ
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 2621 2621 11.84      

Unscaled Zero Point Vibrational Energy (zpe) 1310.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1310.7 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 B3LYP/daug-cc-pVTZ
B
8.35049

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.000 -1.385
Br2 0.000 0.000 0.040

Atom - Atom Distances (Å)
  H1 Br2
H11.4243
Br21.4243

picture of hydrogen bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.216      
2 Br -0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.838 0.838
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.024 0.000 0.000
y 0.000 -20.024 0.000
z 0.000 0.000 -15.978
Traceless
 xyz
x -2.023 0.000 0.000
y 0.000 -2.023 0.000
z 0.000 0.000 4.046
Polar
3z2-r28.092
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.585 0.000 0.000
y 0.000 3.585 0.000
z 0.000 0.000 3.859


<r2> (average value of r2) Å2
<r2> 13.637
(<r2>)1/2 3.693