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

using model chemistry: B3LYPultrafine/TZVP

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 B3LYPultrafine/TZVP
 hartrees
Energy at 0K-2574.786984
Energy at 298.15K-2574.789962
HF Energy-2574.786984
Nuclear repulsion energy13.000500
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 B3LYPultrafine/TZVP
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 2613 2517 5.49      

Unscaled Zero Point Vibrational Energy (zpe) 1306.3 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 1258.5 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 B3LYPultrafine/TZVP
B
8.34650

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

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
H11.4247
Br21.4247

picture of hydrogen bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.129      
2 Br -0.129      


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 -1.059 1.059
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.015 0.000 0.000
y 0.000 -20.015 0.000
z 0.000 0.000 -15.691
Traceless
 xyz
x -2.162 0.000 0.000
y 0.000 -2.162 0.000
z 0.000 0.000 4.324
Polar
3z2-r28.648
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 1.681 0.000 0.000
y 0.000 1.681 0.000
z 0.000 0.000 2.836


<r2> (average value of r2) Å2
<r2> 13.574
(<r2>)1/2 3.684