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

using model chemistry: MP3=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 no CS 1A'
1 3 yes C*V LiNC 1Σ

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-100.193411
Energy at 298.15K-100.192487
HF Energy-99.809754
Nuclear repulsion energy27.834983
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 MP3=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 2315 2159 9.08      
2 Σ 642 599 126.00      
3 Π 172 160 38.58      
3 Π 172 160 38.58      

Unscaled Zero Point Vibrational Energy (zpe) 1650.2 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 1539.0 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 MP3=FULL/cc-pVTZ
B
0.38250

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.058
C2 0.000 0.000 -0.148
N3 0.000 0.000 1.008

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.90983.0660
C21.90981.1562
N33.06601.1562

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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-100.197213
Energy at 298.15K-100.196460
HF Energy-99.816152
Nuclear repulsion energy29.523925
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 MP3=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' 2193 2045 35.75      
2 A' 673 627 150.93      
3 A' 169 157 33.96      

Unscaled Zero Point Vibrational Energy (zpe) 1516.7 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 1414.5 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 MP3=FULL/cc-pVTZ
ABC
2.11043 0.81791 0.58946

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.434 -0.585 0.000
C2 -0.717 -0.363 0.000
N3 0.000 0.561 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.16261.8357
C22.16261.1694
N31.83571.1694

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 58.075 Li1 N3 C2 89.194
C2 Li1 N3 32.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-100.197506
Energy at 298.15K-100.196365
HF Energy-99.820246
Nuclear repulsion energy28.584820
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 MP3=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 2227 2077 158.52      
2 Σ 729 680 162.39      
3 Π 95 88 25.74      
3 Π 95 88 25.74      

Unscaled Zero Point Vibrational Energy (zpe) 1572.7 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 1466.7 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 MP3=FULL/cc-pVTZ
B
0.44228

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.871
C2 0.000 0.000 -1.060
N3 0.000 0.000 0.107

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.93181.7644
C22.93181.1675
N31.76441.1675

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