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

using model chemistry: MP3/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/cc-pVTZ
 hartrees
Energy at 0K-100.151619
Energy at 298.15K-100.150682
HF Energy-99.809488
Nuclear repulsion energy27.709405
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/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 2294 2167 8.77      
2 Σ 629 595 126.60      
3 Π 170 160 38.40      
3 Π 170 160 38.40      

Unscaled Zero Point Vibrational Energy (zpe) 1631.3 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 1541.0 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/cc-pVTZ
B
0.37768

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.072
C2 0.000 0.000 -0.146
N3 0.000 0.000 1.014

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92593.0857
C21.92591.1599
N33.08571.1599

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/cc-pVTZ
 hartrees
Energy at 0K-100.156059
Energy at 298.15K-100.155285
HF Energy-99.816136
Nuclear repulsion energy29.347587
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/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' 2172 2052 38.51      
2 A' 666 629 149.16      
3 A' 158 149 34.41      

Unscaled Zero Point Vibrational Energy (zpe) 1497.6 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 1414.7 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/cc-pVTZ
ABC
2.14801 0.78967 0.57740

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.440 -0.589 0.000
C2 -0.720 -0.362 0.000
N3 0.000 0.563 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.17191.8443
C22.17191.1727
N31.84431.1727

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 58.112 Li1 N3 C2 89.213
C2 Li1 N3 32.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP3/cc-pVTZ
 hartrees
Energy at 0K-100.156484
Energy at 298.15K-100.155334
HF Energy-99.819959
Nuclear repulsion energy28.465738
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/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 2208 2086 157.50      
2 Σ 717 678 162.35      
3 Π 94 88 25.90      
3 Π 94 88 25.90      

Unscaled Zero Point Vibrational Energy (zpe) 1555.9 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 1469.8 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 MP3/cc-pVTZ
B
0.43767

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.882
C2 0.000 0.000 -1.065
N3 0.000 0.000 0.106

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.94731.7762
C22.94731.1712
N31.77621.1712

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