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All results from a given calculation for ICN (Cyanogen iodide)

using model chemistry: MP4/cc-pVTZ-PP

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 MP4/cc-pVTZ-PP
 hartrees
Energy at 0K-387.562657
Energy at 298.15K 
HF Energy-386.975445
Nuclear repulsion energy87.693055
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 MP4/cc-pVTZ-PP
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 2067 2067        
2 Σ 504 504        
3 Π 310 310        
3 Π 310 310        

Unscaled Zero Point Vibrational Energy (zpe) 1595.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1595.8 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 MP4/cc-pVTZ-PP
B
0.10621

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVTZ-PP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.519
C2 0.000 0.000 -1.481
N3 0.000 0.000 -2.659

Atom - Atom Distances (Å)
  I1 C2 N3
I11.99983.1779
C21.99981.1782
N33.17791.1782

picture of Cyanogen iodide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I1 C2 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability