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

using model chemistry: QCISD/6-311+G(3df,2p)

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 QCISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-92.551541
Energy at 298.15K-92.550286
HF Energy-92.234047
Nuclear repulsion energy19.045227
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/6-311+G(3df,2p)
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 2177 2076 1.38      

Unscaled Zero Point Vibrational Energy (zpe) 1088.6 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 1038.2 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 QCISD/6-311+G(3df,2p)
B
1.91553

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.628
N2 0.000 0.000 0.539

Atom - Atom Distances (Å)
  C1 N2
C11.1670
N21.1670

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