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All results from a given calculation for HI (Hydrogen iodide)

using model chemistry: ROHF/Def2TZVPP

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 ROHF/Def2TZVPP
 hartrees
Energy at 0K-297.242632
Energy at 298.15K 
HF Energy-297.242632
Nuclear repulsion energy8.281661
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 ROHF/Def2TZVPP
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 2452 2452 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 1225.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1225.8 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 ROHF/Def2TZVPP
B
6.60693

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.030
H2 0.000 0.000 -1.568

Atom - Atom Distances (Å)
  I1 H2
I11.5974
H21.5974

picture of Hydrogen iodide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 I -0.033      
2 H 0.033      


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 -0.560 0.560
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.981 0.000 0.000
y 0.000 -28.981 0.000
z 0.000 0.000 -24.139
Traceless
 xyz
x -2.421 0.000 0.000
y 0.000 -2.421 0.000
z 0.000 0.000 4.842
Polar
3z2-r29.684
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 19.573
(<r2>)1/2 4.424