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All results from a given calculation for CN (Cyano radical)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-92.312859
Energy at 298.15K-92.311605
HF Energy-92.159937
Nuclear repulsion energy19.383495
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 MP2/6-31G
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 2511 2403 5.04      

Unscaled Zero Point Vibrational Energy (zpe) 1255.7 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 1201.4 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 MP2/6-31G
B
1.98417

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.617
N2 0.000 0.000 0.529

Atom - Atom Distances (Å)
  C1 N2
C11.1466
N21.1466

picture of Cyano radical state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability