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All results from a given calculation for ClCN (chlorocyanogen)

using model chemistry: PBEPBE/6-31G**

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 PBEPBE/6-31G**
 hartrees
Energy at 0K-552.703643
Energy at 298.15K-552.703271
Nuclear repulsion energy73.986866
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 PBEPBE/6-31G**
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 2235 2205 40.91      
2 Σ 731 721 11.34      
3 Π 381 376 2.71      
3 Π 381 376 2.71      

Unscaled Zero Point Vibrational Energy (zpe) 1863.9 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 1838.3 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 PBEPBE/6-31G**
B
0.19499

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.988
C2 0.000 0.000 -0.658
N3 0.000 0.000 -1.835

Atom - Atom Distances (Å)
  Cl1 C2 N3
Cl11.64552.8229
C21.64551.1774
N32.82291.1774

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
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.202      
2 C 0.185      
3 N -0.387      


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 2.634 2.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.704 0.000 0.000
y 0.000 -22.704 0.000
z 0.000 0.000 -26.228
Traceless
 xyz
x 1.762 0.000 0.000
y 0.000 1.762 0.000
z 0.000 0.000 -3.524
Polar
3z2-r2-7.048
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 1.915 0.000 0.000
y 0.000 1.915 0.000
z 0.000 0.000 6.074


<r2> (average value of r2) Å2
<r2> 57.670
(<r2>)1/2 7.594