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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-311G*
 hartrees
Energy at 0K-7012.371364
Energy at 298.15K 
HF Energy-7012.371364
Nuclear repulsion energy164.778989
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/6-311G*
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 2280 2203 9.93      
2 Σ 494 478 0.53      
3 Π 325 314 1.28      
3 Π 325 314 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 1711.8 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1654.1 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/6-311G*
B
0.10634

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.519
C2 0.000 0.000 -1.494
N3 0.000 0.000 -2.650

Atom - Atom Distances (Å)
  I1 C2 N3
I12.01263.1691
C22.01261.1565
N33.16911.1565

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 B3LYPultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 I 0.279      
2 C -0.072      
3 N -0.207      


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 3.570 3.570
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.089 0.000 0.000
y 0.000 -39.089 0.000
z 0.000 0.000 -45.452
Traceless
 xyz
x 3.182 0.000 0.000
y 0.000 3.182 0.000
z 0.000 0.000 -6.364
Polar
3z2-r2-12.727
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 3.616 0.000 0.000
y 0.000 3.616 0.000
z 0.000 0.000 9.058


<r2> (average value of r2) Å2
<r2> 102.562
(<r2>)1/2 10.127