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All results from a given calculation for LiCN (lithium cyanide)

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description

Conformer 1 (C*V LiCN)

Jump to S1C2
Vibrational Frequencies calculated at PM3
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 2354 2293 0.44      
2 Σ 566 551 173.55      
3 Π 202 197 54.81      
3 Π 202 197 54.81      

Unscaled Zero Point Vibrational Energy (zpe) 1662.1 cm-1
Scaled (by 0.974) Zero Point Vibrational Energy (zpe) 1618.9 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 PM3
B
0.38145

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.057
C2 0.000 0.000 -0.153
N3 0.000 0.000 1.013

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.90343.0695
C21.90341.1661
N33.06951.1661

picture of lithium cyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 C2 N3 180.000 Li1 N3 C2 0.000
C2 Li1 N3 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K-0.138062
HF Energy-0.138062
Nuclear repulsion energy18.579200
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 PM3
Rotational Constants (cm-1) from geometry optimized at PM3
B
0.38145

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.439 -0.618 0.000
C2 -0.720 -0.365 0.000
N3 0.000 0.578 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.17391.8717
C22.17391.1867
N31.87171.1867

picture of lithium cyanide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 C2 N3 59.344 Li1 N3 C2 87.604
C2 Li1 N3 33.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability