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

using model chemistry: CCSD(T)/cc-pVDZ

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 CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-100.084450
Energy at 298.15K-100.083376
HF Energy-99.778148
Nuclear repulsion energy27.103497
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)/cc-pVDZ
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 2140 2094        
2 Σ 601 588        
3 Π 133 130        
3 Π 133 130        

Unscaled Zero Point Vibrational Energy (zpe) 1503.4 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 1471.5 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 CCSD(T)/cc-pVDZ
B
0.36261

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.113
C2 0.000 0.000 -0.152
N3 0.000 0.000 1.036

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.96113.1489
C21.96111.1878
N33.14891.1878

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)/cc-pVDZ
 hartrees
Energy at 0K-100.091119
Energy at 298.15K-100.090317
HF Energy-99.787746
Nuclear repulsion energy28.646523
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)/cc-pVDZ
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' 2026 1983        
2 A' 650 637        
3 A' 146 143        

Unscaled Zero Point Vibrational Energy (zpe) 1411.3 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 1381.3 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 CCSD(T)/cc-pVDZ
ABC
2.09002 0.74358 0.54845

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.489 -0.584 0.000
C2 -0.745 -0.373 0.000
N3 0.000 0.570 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.24341.8837
C22.24341.2015
N31.88371.2015

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 57.098 Li1 N3 C2 90.523
C2 Li1 N3 32.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-100.089303
Energy at 298.15K 
HF Energy-99.790456
Nuclear repulsion energy27.815742
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)/cc-pVDZ
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 2073 2029        
2 Σ 700 685        
3 Π 34i 33i        
3 Π 34i 33i        

Unscaled Zero Point Vibrational Energy (zpe) 1352.6 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 1323.9 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 CCSD(T)/cc-pVDZ
B
0.41859

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.924
C2 0.000 0.000 -1.090
N3 0.000 0.000 0.109

Atom - Atom Distances (Å)
  Li1 C2 N3
Li13.01371.8146
C23.01371.1991
N31.81461.1991

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