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All results from a given calculation for ClCN (chlorocyanogen)

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-29.820361
Energy at 298.15K-29.820127
Nuclear repulsion energy24.925516
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/CEP-121G*
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 2545 2299 58.88      
2 Σ 794 717 3.50      
3 Π 441 398 5.31      
3 Π 441 398 5.31      

Unscaled Zero Point Vibrational Energy (zpe) 2109.6 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 1905.8 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 HF/CEP-121G*
B
0.19885

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 1.284
C2 0.000 0.000 -0.368
N3 0.000 0.000 -1.504

Atom - Atom Distances (Å)
  Cl1 C2 N3
Cl11.65182.7883
C21.65181.1364
N32.78831.1364

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/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.039      
2 C 0.022      
3 N -0.061      


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 2.886 2.886
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.433 0.000 0.000
y 0.000 -22.433 0.000
z 0.000 0.000 -24.830
Traceless
 xyz
x 1.199 0.000 0.000
y 0.000 1.199 0.000
z 0.000 0.000 -2.397
Polar
3z2-r2-4.794
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 2.095 0.000 0.000
y 0.000 2.095 0.000
z 0.000 0.000 5.697


<r2> (average value of r2) Å2
<r2> 37.906
(<r2>)1/2 6.157