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

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V LiCN 1Σ
1 2 no CS 1A'
1 3 no C*V LiNC 1Σ

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-99.951813
Energy at 298.15K-99.950896
HF Energy-99.732655
Nuclear repulsion energy26.466396
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/LANL2DZ
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 1876 1807 24.77      
2 Σ 599 576 104.88      
3 Π 186 179 52.50      
3 Π 186 179 52.50      

Unscaled Zero Point Vibrational Energy (zpe) 1423.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 1370.5 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/LANL2DZ
B
0.35404

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.127
C2 0.000 0.000 -0.170
N3 0.000 0.000 1.057

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.95773.1848
C21.95771.2271
N33.18481.2271

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 S1C3
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-99.891531
Energy at 298.15K 
HF Energy-99.639514
Nuclear repulsion energy23.313918
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/LANL2DZ
Rotational Constants (cm-1) from geometry optimized at MP2/LANL2DZ
B
0.35404

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.473 -0.567 0.000
C2 -0.737 -0.395 0.000
N3 0.000 0.581 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.21621.8675
C22.21621.2228
N31.86751.2228

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 57.412 Li1 N3 C2 89.104
C2 Li1 N3 33.484
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-99.950899
Energy at 298.15K-99.949915
HF Energy-99.749939
Nuclear repulsion energy27.332039
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/LANL2DZ
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 1903 1833 67.53      
2 Σ 677 652 143.32      
3 Π 151 145 36.55      
3 Π 151 145 36.55      

Unscaled Zero Point Vibrational Energy (zpe) 1440.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 1387.2 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 MP2/LANL2DZ
B
0.40917

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.939
C2 0.000 0.000 -1.109
N3 0.000 0.000 0.119

Atom - Atom Distances (Å)
  Li1 C2 N3
Li13.04731.8192
C23.04731.2281
N31.81921.2281

picture of lithium cyanide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 C2 N3 0.000 Li1 N3 C2 180.000
C2 Li1 N3 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability