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

using model chemistry: CCSD(T)/aug-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 no CS 1A'
1 3 yes C*V LiNC 1Σ

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-100.182400
Energy at 298.15K-100.181438
HF Energy-99.809685
Nuclear repulsion energy27.442386
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 CCSD(T)/aug-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 2143 2078        
2 Σ 617 598        
3 Π 164 159        
3 Π 164 159        

Unscaled Zero Point Vibrational Energy (zpe) 1543.5 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 1497.0 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 CCSD(T)/aug-cc-pVTZ
B
0.37240

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.084
C2 0.000 0.000 -0.151
N3 0.000 0.000 1.023

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.93323.1071
C21.93321.1739
N33.10711.1739

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 CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-100.185379
Energy at 298.15K-100.184610
HF Energy-99.815743
Nuclear repulsion energy29.116805
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 CCSD(T)/aug-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' 2040 1979        
2 A' 644 625        
3 A' 167 162        

Unscaled Zero Point Vibrational Energy (zpe) 1425.7 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 1382.8 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 CCSD(T)/aug-cc-pVTZ
ABC
2.04808 0.79663 0.57354

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.430 -0.619 0.000
C2 -0.715 -0.367 0.000
N3 0.000 0.579 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.15911.8651
C22.15911.1857
N31.86511.1857

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 59.626 Li1 N3 C2 87.114
C2 Li1 N3 33.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-100.185941
Energy at 298.15K-100.184818
HF Energy-99.820240
Nuclear repulsion energy28.205438
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 CCSD(T)/aug-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 2083 2020        
2 Σ 698 677        
3 Π 103 100        
3 Π 103 100        

Unscaled Zero Point Vibrational Energy (zpe) 1493.5 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 1448.6 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 CCSD(T)/aug-cc-pVTZ
B
0.43113

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.895
C2 0.000 0.000 -1.075
N3 0.000 0.000 0.109

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.96941.7859
C22.96941.1835
N31.78591.1835

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