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

using model chemistry: B2PLYP/6-311+G(3df,2p)

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 B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-2574.300386
Energy at 298.15K-2574.303364
HF Energy-2574.243929
Nuclear repulsion energy13.046266
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/6-311+G(3df,2p)
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 2658 2658 13.10      

Unscaled Zero Point Vibrational Energy (zpe) 1329.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1329.2 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/6-311+G(3df,2p)
B
8.40536

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.000 -1.380
Br2 0.000 0.000 0.039

Atom - Atom Distances (Å)
  H1 Br2
H11.4197
Br21.4197

picture of hydrogen bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.182      
2 Br -0.182      


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 -0.883 0.883
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.087 0.000 0.000
y 0.000 -20.087 0.000
z 0.000 0.000 -15.882
Traceless
 xyz
x -2.103 0.000 0.000
y 0.000 -2.103 0.000
z 0.000 0.000 4.205
Polar
3z2-r28.410
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 3.211 0.000 0.000
y 0.000 3.211 0.000
z 0.000 0.000 3.533


<r2> (average value of r2) Å2
<r2> 13.630
(<r2>)1/2 3.692