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

using model chemistry: M06-2X/STO-3G

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 M06-2X/STO-3G
 hartrees
Energy at 0K-2546.608436
Energy at 298.15K-2546.611413
HF Energy-2546.608436
Nuclear repulsion energy12.962065
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 M06-2X/STO-3G
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 3238 3238 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 1618.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1618.8 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 M06-2X/STO-3G
B
8.29722

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.000 -1.389
Br2 0.000 0.000 0.040

Atom - Atom Distances (Å)
  H1 Br2
H11.4289
Br21.4289

picture of hydrogen bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.042      
2 Br -0.042      


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 -1.242 1.242
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.420 0.000 0.000
y 0.000 -17.420 0.000
z 0.000 0.000 -14.906
Traceless
 xyz
x -1.257 0.000 0.000
y 0.000 -1.257 0.000
z 0.000 0.000 2.514
Polar
3z2-r25.029
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 0.070 0.000 0.000
y 0.000 0.070 0.000
z 0.000 0.000 1.473


<r2> (average value of r2) Å2
<r2> 12.342
(<r2>)1/2 3.513