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

using model chemistry: CCD/aug-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 CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-100.159244
Energy at 298.15K-100.158299
HF Energy-99.810946
Nuclear repulsion energy27.613124
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 CCD/aug-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 2228 2133 8.13      
2 Σ 623 596 130.31      
3 Π 168 161 34.91      
3 Π 168 161 34.91      

Unscaled Zero Point Vibrational Energy (zpe) 1593.4 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 1524.9 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 CCD/aug-cc-pVTZ
B
0.37539

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

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 -0.147
N3 0.000 0.000 1.017

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.93083.0951
C21.93081.1643
N33.09511.1643

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 CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-100.162517
Energy at 298.15K-100.161739
HF Energy-99.817024
Nuclear repulsion energy29.273781
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 CCD/aug-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' 2123 2032 35.03      
2 A' 658 629 152.97      
3 A' 158 151 35.47      

Unscaled Zero Point Vibrational Energy (zpe) 1469.5 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 1406.3 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 CCD/aug-cc-pVTZ
ABC
2.13143 0.78746 0.57502

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.441 -0.589 0.000
C2 -0.720 -0.364 0.000
N3 0.000 0.565 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.17261.8458
C22.17261.1756
N31.84581.1756

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 58.156 Li1 N3 C2 89.089
C2 Li1 N3 32.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-100.163501
Energy at 298.15K-100.162396
HF Energy-99.821329
Nuclear repulsion energy28.390268
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 CCD/aug-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 2165 2072 151.12      
2 Σ 706 676 167.95      
3 Π 108 103 27.04      
3 Π 108 103 27.04      

Unscaled Zero Point Vibrational Energy (zpe) 1543.0 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 1476.7 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 CCD/aug-cc-pVTZ
B
0.43522

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.888
C2 0.000 0.000 -1.068
N3 0.000 0.000 0.106

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.95571.7816
C22.95571.1741
N31.78161.1741

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