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

using model chemistry: QCISD(T)=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'

Conformer 1 (C*V LiCN)

Jump to S1C2
Energy calculated at QCISD(T)=FULL/cc-pCVTZ
 hartrees
Energy at 0K-100.322674
Energy at 298.15K-100.321731
HF Energy-99.809295
Nuclear repulsion energy27.547422
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 QCISD(T)=FULL/cc-pCVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2156 2156        
2 Σ 627 627        
3 Π 167 167        
3 Π 167 167        

Unscaled Zero Point Vibrational Energy (zpe) 1558.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1558.9 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 QCISD(T)=FULL/cc-pCVTZ
B
0.37697

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.070
C2 0.000 0.000 -0.153
N3 0.000 0.000 1.018

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91733.0879
C21.91731.1706
N33.08791.1706

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
Energy calculated at QCISD(T)=FULL/cc-pCVTZ
 hartrees
Energy at 0K-100.326828
Energy at 298.15K-100.326088
HF Energy-99.815814
Nuclear repulsion energy29.259760
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 QCISD(T)=FULL/cc-pCVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 2046 2046        
2 A' 655 655        
3 A' 182 182        

Unscaled Zero Point Vibrational Energy (zpe) 1441.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1441.1 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 QCISD(T)=FULL/cc-pCVTZ
ABC
2.03545 0.81753 0.58326

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.410 -0.621 0.000
C2 -0.705 -0.368 0.000
N3 0.000 0.582 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.12961.8530
C22.12961.1830
N31.85301.1830

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 60.238 Li1 N3 C2 86.105
C2 Li1 N3 33.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability