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

using model chemistry: MP4=FULL/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 MP4=FULL/6-311G**
 hartrees
Energy at 0K-100.175259
Energy at 298.15K-100.174286
HF Energy-99.794977
Nuclear repulsion energy27.292644
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=FULL/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 2041 1962        
2 Σ 631 607        
3 Π 159 153        
3 Π 159 153        

Unscaled Zero Point Vibrational Energy (zpe) 1494.8 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 1437.2 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 MP4=FULL/6-311G**
B
0.37316

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.077
C2 0.000 0.000 -0.159
N3 0.000 0.000 1.026

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91763.1030
C21.91761.1854
N33.10301.1854

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 MP4=FULL/6-311G**
 hartrees
Energy at 0K-100.180379
Energy at 298.15K-100.179664
HF Energy-99.801710
Nuclear repulsion energy29.029389
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=FULL/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' 657 632        
2 A' 200 192        
3 A' 1936 1862        

Unscaled Zero Point Vibrational Energy (zpe) 1396.4 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 1342.7 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=FULL/6-311G**
ABC
1.95667 0.82605 0.58084

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.401 -0.631 0.000
C2 -0.700 -0.378 0.000
N3 0.000 0.594 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.11621.8607
C22.11621.1979
N31.86071.1979

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 61.088 Li1 N3 C2 84.610
C2 Li1 N3 34.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP4=FULL/6-311G**
 hartrees
Energy at 0K-100.178070
Energy at 298.15K-100.176855
HF Energy-99.806390
Nuclear repulsion energy28.041693
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=FULL/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 1986 1909        
2 Σ 711 683        
3 Π 77 74        
3 Π 77 74        

Unscaled Zero Point Vibrational Energy (zpe) 1424.9 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 1370.1 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=FULL/6-311G**
B
0.42973

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.893
C2 0.000 0.000 -1.081
N3 0.000 0.000 0.115

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.97371.7784
C22.97371.1953
N31.77841.1953

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