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

using model chemistry: MP2=FULL/cc-pCVTZ

19 10 17 12 22

States and conformations

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

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at MP2=FULL/cc-pCVTZ
 hartrees
Energy at 0K-100.294357
Energy at 298.15K-100.293417
HF Energy-99.808367
Nuclear repulsion energy27.454998
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=FULL/cc-pCVTZ
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 2074 1973 27.54      
2 Σ 629 598 120.79      
3 Π 168 160 39.14      
3 Π 168 160 39.14      

Unscaled Zero Point Vibrational Energy (zpe) 1519.6 cm-1
Scaled (by 0.9511) Zero Point Vibrational Energy (zpe) 1445.3 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=FULL/cc-pCVTZ
B
0.37583

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.071
C2 0.000 0.000 -0.156
N3 0.000 0.000 1.021

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91573.0923
C21.91571.1766
N33.09231.1766

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=FULL/cc-pCVTZ
 hartrees
Energy at 0K-100.296928
Energy at 298.15K-100.296225
HF Energy-99.814869
Nuclear repulsion energy29.222848
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=FULL/cc-pCVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 1996 1898 10.69      
2 A' 642 610 154.39      
3 A' 211 201 30.48      

Unscaled Zero Point Vibrational Energy (zpe) 1424.2 cm-1
Scaled (by 0.9511) Zero Point Vibrational Energy (zpe) 1354.5 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=FULL/cc-pCVTZ
ABC
1.94893 0.83922 0.58662

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.378 -0.670 0.000
C2 -0.689 -0.366 0.000
N3 0.000 0.601 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.08861.8740
C22.08861.1865
N31.87401.1865

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 62.896 Li1 N3 C2 82.801
C2 Li1 N3 34.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP2=FULL/cc-pCVTZ
 hartrees
Energy at 0K-100.295608
Energy at 298.15K-100.294458
HF Energy-99.820022
Nuclear repulsion energy28.275780
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=FULL/cc-pCVTZ
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 2064 1963 93.39      
2 Σ 704 670 156.95      
3 Π 95 90 23.30      
3 Π 95 90 23.30      

Unscaled Zero Point Vibrational Energy (zpe) 1478.8 cm-1
Scaled (by 0.9511) Zero Point Vibrational Energy (zpe) 1406.5 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=FULL/cc-pCVTZ
B
0.43456

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.886
C2 0.000 0.000 -1.072
N3 0.000 0.000 0.111

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.95751.7749
C22.95751.1826
N31.77491.1826

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