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

using model chemistry: G2

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 G2
 hartrees
Energy at 0K-100.195126
Energy at 298.15K-100.190393
HF Energy-99.772498
Nuclear repulsion energy27.852012
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 HF/6-31G*
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 2471 2328 1.83      
2 Σ 636 599 132.32      
3 Π 180 170 41.41      
3 Π 180 170 41.41      

Unscaled Zero Point Vibrational Energy (zpe) 1733.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 1633.7 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=FULL/6-31G*
B
0.36960

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.087
C2 0.000 0.000 -0.159
N3 0.000 0.000 1.031

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92863.1180
C21.92861.1894
N33.11801.1894

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 G2
 hartrees
Energy at 0K-100.198353
Energy at 298.15K-100.197570
HF Energy-99.780582
Nuclear repulsion energy29.159500
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 HF/6-31G*
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' 2315 2181 107.69      
2 A' 730 688 140.94      
3 A' 107 101 30.55      

Unscaled Zero Point Vibrational Energy (zpe) 1576.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 1485.1 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 MP2=FULL/6-31G*
ABC
1.89637 0.81742 0.57120

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.432 -0.605 0.000
C2 -0.716 -0.377 0.000
N3 0.000 0.582 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.16021.8605
C22.16021.1969
N31.86051.1969

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 56.927 Li1 N3 C2 91.304
C2 Li1 N3 31.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at G2
 hartrees
Energy at 0K-100.199038
Energy at 298.15K-100.197861
HF Energy-99.780339
Nuclear repulsion energy28.555611
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 HF/6-31G*
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 2343 2208 238.20      
2 Σ 742 699 166.39      
3 Π 71 67 40.96      
3 Π 71 67 40.96      

Unscaled Zero Point Vibrational Energy (zpe) 1614.1 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 1520.8 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 MP2=FULL/6-31G*
B
0.42344

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.911
C2 0.000 0.000 -1.085
N3 0.000 0.000 0.111

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.99621.8004
C22.99621.1958
N31.80041.1958

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