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All results from a given calculation for ClCN (chlorocyanogen)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-549.162520
Energy at 298.15K-549.162404
Nuclear repulsion energy75.287991
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/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 2568 2318 22.11      
2 Σ 791 714 0.85      
3 Π 515 464 3.24      
3 Π 515 464 3.24      

Unscaled Zero Point Vibrational Energy (zpe) 2194.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 1980.4 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/3-21G*
B
0.20156

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.973
C2 0.000 0.000 -0.660
N3 0.000 0.000 -1.798

Atom - Atom Distances (Å)
  Cl1 C2 N3
Cl11.63332.7718
C21.63331.1385
N32.77181.1385

picture of chlorocyanogen state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 N3 180.000
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.246 -0.007    
2 C 0.192 0.430    
3 N -0.439 -0.423    


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 2.480 2.480
CHELPG 0.000 0.000 2.258 2.258
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.225 0.000 0.000
y 0.000 -23.225 0.000
z 0.000 0.000 -27.567
Traceless
 xyz
x 2.171 0.000 0.000
y 0.000 2.171 0.000
z 0.000 0.000 -4.342
Polar
3z2-r2-8.684
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 1.572 0.000 0.000
y 0.000 1.572 0.000
z 0.000 0.000 5.073


<r2> (average value of r2) Å2
<r2> 56.770
(<r2>)1/2 7.535