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All results from a given calculation for ClCN (chlorocyanogen)

using model chemistry: QCISD/6-31G(2df,p)

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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-552.291202
Energy at 298.15K-552.290886
HF Energy-551.772574
Nuclear repulsion energy74.495953
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 QCISD/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2319 2197 21.34      
2 Σ 751 711 6.61      
3 Π 404 382 4.09      
3 Π 404 382 4.09      

Unscaled Zero Point Vibrational Energy (zpe) 1938.7 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 1836.7 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 QCISD/6-31G(2df,p)
B
0.19757

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.981
C2 0.000 0.000 -0.659
N3 0.000 0.000 -1.818

Atom - Atom Distances (Å)
  Cl1 C2 N3
Cl11.64062.7998
C21.64061.1593
N32.79981.1593

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