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

using model chemistry: CCD/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/cc-pVTZ
 hartrees
Energy at 0K-100.152198
Energy at 298.15K-100.151258
HF Energy-99.809062
Nuclear repulsion energy27.635545
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/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 2237 2089 11.03      
2 Σ 627 586 124.78      
3 Π 169 158 38.60      
3 Π 169 158 38.60      

Unscaled Zero Point Vibrational Energy (zpe) 1601.0 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 1494.9 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/cc-pVTZ
B
0.37647

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.075
C2 0.000 0.000 -0.148
N3 0.000 0.000 1.016

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92673.0905
C21.92671.1639
N33.09051.1639

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/cc-pVTZ
 hartrees
Energy at 0K-100.156437
Energy at 298.15K-100.155665
HF Energy-99.815793
Nuclear repulsion energy29.283895
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/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' 2127 1986 33.80      
2 A' 663 619 149.41      
3 A' 160 149 34.09      

Unscaled Zero Point Vibrational Energy (zpe) 1474.4 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 1376.7 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/cc-pVTZ
ABC
2.12699 0.79040 0.57626

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 -0.365 0.000
N3 0.000 0.565 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.17091.8447
C22.17091.1759
N31.84471.1759

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 58.171 Li1 N3 C2 89.037
C2 Li1 N3 32.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-100.156724
Energy at 298.15K-100.155568
HF Energy-99.819693
Nuclear repulsion energy28.401475
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/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 2170 2026 146.92      
2 Σ 713 666 162.01      
3 Π 93 86 26.27      
3 Π 93 86 26.27      

Unscaled Zero Point Vibrational Energy (zpe) 1533.8 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 1432.1 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 CCD/cc-pVTZ
B
0.43607

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.885
C2 0.000 0.000 -1.067
N3 0.000 0.000 0.107

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.95271.7784
C22.95271.1743
N31.77841.1743

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