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

using model chemistry: MP3/cc-pVDZ

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 MP3/cc-pVDZ
 hartrees
Energy at 0K-92.446487
Energy at 298.15K-92.445234
HF Energy-92.212295
Nuclear repulsion energy19.457069
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 MP3/cc-pVDZ
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 2661 2522 3.96      

Unscaled Zero Point Vibrational Energy (zpe) 1330.5 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 1261.1 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 MP3/cc-pVDZ
B
1.99927

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.615
N2 0.000 0.000 0.527

Atom - Atom Distances (Å)
  C1 N2
C11.1423
N21.1423

picture of Cyano radical state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability