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All results from a given calculation for ClCN (chlorocyanogen)

using model chemistry: HF/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-551.832960
Energy at 298.15K-551.832761
Nuclear repulsion energy75.556871
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/cc-pVTZ
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 2569 2338 57.71      
2 Σ 795 723 3.30      
3 Π 456 415 6.26      
3 Π 456 415 6.26      

Unscaled Zero Point Vibrational Energy (zpe) 2138.2 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 1946.0 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/cc-pVTZ
B
0.20283

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.971
C2 0.000 0.000 -0.663
N3 0.000 0.000 -1.790

Atom - Atom Distances (Å)
  Cl1 C2 N3
Cl11.63442.7611
C21.63441.1267
N32.76111.1267

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/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.051 0.054 0.010 0.092
2 C -0.013 0.379 1.386 0.301
3 N -0.039 -0.433 -1.399 -0.394


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 2.966 2.966
CHELPG        
AIM 0.000 0.000 -1.845 1.845
ESP 0.000 0.000 2.857 2.857


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.060 0.000 0.000
y 0.000 -23.060 0.000
z 0.000 0.000 -27.200
Traceless
 xyz
x 2.070 0.000 0.000
y 0.000 2.070 0.000
z 0.000 0.000 -4.140
Polar
3z2-r2-8.280
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 2.499 0.000 0.000
y 0.000 2.499 0.000
z 0.000 0.000 5.805


<r2> (average value of r2) Å2
<r2> 56.366
(<r2>)1/2 7.508