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

using model chemistry: MP2/Def2TZVPP

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 MP2/Def2TZVPP
 hartrees
Energy at 0K-100.156712
Energy at 298.15K-100.155765
HF Energy-99.810405
Nuclear repulsion energy27.357056
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 MP2/Def2TZVPP
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 2067 1967 24.31      
2 Σ 623 592 124.32      
3 Π 169 161 41.01      
3 Π 169 161 41.01      

Unscaled Zero Point Vibrational Energy (zpe) 1513.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 1440.2 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 MP2/Def2TZVPP
B
0.37194

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.076
C2 0.000 0.000 -0.153
N3 0.000 0.000 1.021

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92283.0975
C21.92281.1747
N33.09751.1747

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 MP2/Def2TZVPP
 hartrees
Energy at 0K-100.157669
Energy at 298.15K-100.156955
HF Energy-99.815998
Nuclear repulsion energy29.117924
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 MP2/Def2TZVPP
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' 1995 1898 9.56      
2 A' 635 604 160.06      
3 A' 209 199 29.84      

Unscaled Zero Point Vibrational Energy (zpe) 1419.5 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 1350.7 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 MP2/Def2TZVPP
ABC
1.93845 0.82794 0.58015

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.300 -0.668 0.000
C2 -0.650 -0.376 0.000
N3 0.000 0.608 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.97151.8216
C21.97151.1792
N31.82161.1792

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 65.082 Li1 N3 C2 78.967
C2 Li1 N3 35.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-100.157047
Energy at 298.15K-100.155915
HF Energy-99.821607
Nuclear repulsion energy28.169034
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 MP2/Def2TZVPP
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 2062 1962 88.31      
2 Σ 694 660 163.00      
3 Π 103 98 26.02      
3 Π 103 98 26.02      

Unscaled Zero Point Vibrational Energy (zpe) 1480.5 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 1408.7 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 MP2/Def2TZVPP
B
0.42929

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.903
C2 0.000 0.000 -1.078
N3 0.000 0.000 0.108

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.98081.7953
C22.98081.1855
N31.79531.1855

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