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All results from a given calculation for ClCN (chlorocyanogen)

using model chemistry: MP2/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 MP2/CEP-121G
 hartrees
Energy at 0K-29.995222
Energy at 298.15K-29.994667
HF Energy-29.726300
Nuclear repulsion energy23.467564
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 MP2/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 1934 1888 0.06      
2 Σ 639 624 6.40      
3 Π 312 305 0.94      
3 Π 312 305 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 1598.6 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 1560.2 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 MP2/CEP-121G
B
0.17727

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 1.358
C2 0.000 0.000 -0.379
N3 0.000 0.000 -1.599

Atom - Atom Distances (Å)
  Cl1 C2 N3
Cl11.73692.9571
C21.73691.2202
N32.95711.2202

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