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

using model chemistry: M06-2X/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 M06-2X/cc-pVDZ
 hartrees
Energy at 0K-2574.769293
Energy at 298.15K-2574.772271
HF Energy-2574.769293
Nuclear repulsion energy12.992106
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/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 2674 2674 16.21      

Unscaled Zero Point Vibrational Energy (zpe) 1336.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1336.9 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/cc-pVDZ
B
8.33572

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.000 -1.386
Br2 0.000 0.000 0.040

Atom - Atom Distances (Å)
  H1 Br2
H11.4256
Br21.4256

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/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.144      
2 Br -0.144      


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 -1.131 1.131
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.696 0.000 0.000
y 0.000 -19.696 0.000
z 0.000 0.000 -15.507
Traceless
 xyz
x -2.095 0.000 0.000
y 0.000 -2.095 0.000
z 0.000 0.000 4.189
Polar
3z2-r28.379
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 1.470 0.000 0.000
y 0.000 1.470 0.000
z 0.000 0.000 2.711


<r2> (average value of r2) Å2
<r2> 13.405
(<r2>)1/2 3.661