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

using model chemistry: MP2/6-311G**

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 MP2/6-311G**
 hartrees
Energy at 0K-100.099080
Energy at 298.15K-100.098102
HF Energy-99.795235
Nuclear repulsion energy27.286591
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 MP2/6-311G**
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 2054 1952 30.85      
2 Σ 627 596 117.40      
3 Π 158 150 46.52      
3 Π 158 150 46.52      

Unscaled Zero Point Vibrational Energy (zpe) 1498.2 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 1423.6 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 MP2/6-311G**
B
0.37170

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.082
C2 0.000 0.000 -0.157
N3 0.000 0.000 1.027

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92483.1093
C21.92481.1845
N33.10931.1845

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 MP2/6-311G**
 hartrees
Energy at 0K-100.102924
Energy at 298.15K-100.102224
HF Energy-99.801985
Nuclear repulsion energy29.048891
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 MP2/6-311G**
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' 1980 1881 9.34      
2 A' 645 612 155.59      
3 A' 214 204 27.31      

Unscaled Zero Point Vibrational Energy (zpe) 1419.2 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 1348.5 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 MP2/6-311G**
ABC
1.92399 0.83170 0.58068

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.430 -0.596 0.000
C2 -0.715 -0.376 0.000
N3 0.000 0.577 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.15661.8497
C22.15661.1913
N31.84971.1913

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 58.969 Li1 N3 C2 87.534
C2 Li1 N3 33.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-100.099508
Energy at 298.15K-100.098269
HF Energy-99.807135
Nuclear repulsion energy28.089418
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 MP2/6-311G**
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 2051 1949 94.60      
2 Σ 702 667 159.26      
3 Π 72 68 26.90      
3 Π 72 68 26.90      

Unscaled Zero Point Vibrational Energy (zpe) 1448.1 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 1376.0 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 MP2/6-311G**
B
0.42865

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.899
C2 0.000 0.000 -1.079
N3 0.000 0.000 0.111

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.97781.7876
C22.97781.1902
N31.78761.1902

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