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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-30.246360
Energy at 298.15K-30.245942
HF Energy-29.813371
Nuclear repulsion energy24.339593
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 2085 1987 12.03      
2 Σ 739 704 11.15      
3 Π 357 340 1.62      
3 Π 357 340 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 1768.9 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 1685.4 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
0.19181

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 1.304
C2 0.000 0.000 -0.353
N3 0.000 0.000 -1.543

Atom - Atom Distances (Å)
  Cl1 C2 N3
Cl11.65632.8470
C21.65631.1907
N32.84701.1907

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