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

using model chemistry: MP3/TZVP

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/TZVP
 hartrees
Energy at 0K-100.099163
Energy at 298.15K-100.098232
HF Energy-99.806524
Nuclear repulsion energy27.686405
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2307 2157 6.91      
2 Σ 624 584 129.18      
3 Π 173 162 44.92      
3 Π 173 162 44.92      

Unscaled Zero Point Vibrational Energy (zpe) 1638.5 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 1532.3 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 MP3/TZVP
B
0.37594

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.078
C2 0.000 0.000 -0.145
N3 0.000 0.000 1.015

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.93353.0931
C21.93351.1595
N33.09311.1595

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/TZVP
 hartrees
Energy at 0K-100.100355
Energy at 298.15K-100.099632
HF Energy-99.808006
Nuclear repulsion energy29.384641
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 2202 2059 30.03      
2 A' 642 601 167.97      
3 A' 199 186 28.65      

Unscaled Zero Point Vibrational Energy (zpe) 1521.4 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 1422.9 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 MP3/TZVP
ABC
2.03416 0.81482 0.58178

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.434 -0.606 0.000
C2 -0.717 -0.359 0.000
N3 0.000 0.567 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.16581.8530
C22.16581.1710
N31.85301.1710

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 58.790 Li1 N3 C2 88.493
C2 Li1 N3 32.717
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-100.101730
Energy at 298.15K-100.100591
HF Energy-99.815484
Nuclear repulsion energy28.393365
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2229 2084 143.79      
2 Σ 694 649 172.79      
3 Π 100 93 37.22      
3 Π 100 93 37.22      

Unscaled Zero Point Vibrational Energy (zpe) 1561.2 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 1460.1 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/TZVP
B
0.43229

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.898
C2 0.000 0.000 -1.068
N3 0.000 0.000 0.102

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.96601.7959
C22.96601.1701
N31.79591.1701

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