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All results from a given calculation for ICN (Cyanogen iodide)

using model chemistry: HF/6-311G*

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 HF/6-311G*
 hartrees
Energy at 0K-7009.120519
Energy at 298.15K 
HF Energy-7009.120519
Nuclear repulsion energy165.805300
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 HF/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2545 2302 9.80 86.92 0.28 0.44
2 Σ 529 478 6.36 4.26 0.24 0.39
3 Π 360 325 3.10 2.53 0.75 0.86
3 Π 360 325 3.10 2.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1896.6 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 1715.3 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 HF/6-311G*
B
0.10777

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.516
C2 0.000 0.000 -1.496
N3 0.000 0.000 -2.626

Atom - Atom Distances (Å)
  I1 C2 N3
I12.01173.1418
C22.01171.1302
N33.14181.1302

picture of Cyanogen iodide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I1 C2 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 I 0.313      
2 C -0.021      
3 N -0.292      


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 3.649 3.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.555 0.000 0.000
y 0.000 -39.555 0.000
z 0.000 0.000 -46.154
Traceless
 xyz
x 3.300 0.000 0.000
y 0.000 3.300 0.000
z 0.000 0.000 -6.600
Polar
3z2-r2-13.200
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 3.518 0.000 0.000
y 0.000 3.518 0.000
z 0.000 0.000 8.354


<r2> (average value of r2) Å2
<r2> 101.877
(<r2>)1/2 10.093