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

using model chemistry: M06-2X/3-21G

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/3-21G
 hartrees
Energy at 0K-6983.220995
Energy at 298.15K-6983.218800
HF Energy-6983.220995
Nuclear repulsion energy163.623842
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/3-21G
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 2321 2225 1.44      
2 Σ 524 503 2.36      
3 Π 399 383 1.06      
3 Π 399 383 1.06      

Unscaled Zero Point Vibrational Energy (zpe) 1821.5 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 1746.3 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 M06-2X/3-21G
B
0.10486

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.523
C2 0.000 0.000 -1.505
N3 0.000 0.000 -2.668

Atom - Atom Distances (Å)
  I1 C2 N3
I12.02773.1909
C22.02771.1632
N33.19091.1632

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 M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 I 0.496      
2 C -0.134      
3 N -0.362      


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 3.178 3.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.097 0.000 0.000
y 0.000 -39.097 0.000
z 0.000 0.000 -45.622
Traceless
 xyz
x 3.263 0.000 0.000
y 0.000 3.263 0.000
z 0.000 0.000 -6.526
Polar
3z2-r2-13.051
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 2.052 0.000 0.000
y 0.000 2.052 0.000
z 0.000 0.000 7.606


<r2> (average value of r2) Å2
<r2> 103.683
(<r2>)1/2 10.182