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

using model chemistry: MP4=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-100.222077
Energy at 298.15K-100.221125
HF Energy-99.806930
Nuclear repulsion energy27.446781
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/cc-pVTZ
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 2068 1991        
2 Σ 635 611        
3 Π 164 158        
3 Π 164 158        

Unscaled Zero Point Vibrational Energy (zpe) 1515.5 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 1459.2 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/cc-pVTZ
B
0.37666

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.068
C2 0.000 0.000 -0.157
N3 0.000 0.000 1.021

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91093.0887
C21.91091.1778
N33.08871.1778

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/cc-pVTZ
 hartrees
Energy at 0K-100.225060
Energy at 298.15K-100.224337
HF Energy-99.813441
Nuclear repulsion energy29.194539
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/cc-pVTZ
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' 652 628        
2 A' 195 188        
3 A' 1964 1891        

Unscaled Zero Point Vibrational Energy (zpe) 1405.5 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 1353.3 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 MP4=FULL/cc-pVTZ
ABC
1.95926 0.83798 0.58694

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.385 -0.648 0.000
C2 -0.693 -0.371 0.000
N3 0.000 0.596 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.09611.8618
C22.09611.1899
N31.86181.1899

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 61.984 Li1 N3 C2 83.670
C2 Li1 N3 34.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-100.224317
Energy at 298.15K-100.223144
HF Energy-99.818242
Nuclear repulsion energy28.214584
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/cc-pVTZ
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 2015 1940        
2 Σ 715 688        
3 Π 87 84        
3 Π 87 84        

Unscaled Zero Point Vibrational Energy (zpe) 1452.3 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 1398.4 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/cc-pVTZ
B
0.43444

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.884
C2 0.000 0.000 -1.074
N3 0.000 0.000 0.113

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.95761.7704
C22.95761.1872
N31.77041.1872

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