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

using model chemistry: CCD/6-31G

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/6-31G
 hartrees
Energy at 0K-99.934786
Energy at 298.15K-99.933925
HF Energy-99.725984
Nuclear repulsion energy27.066986
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/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 2145 2059 11.18      
2 Σ 627 602 111.69      
3 Π 197 189 49.40      
3 Π 197 189 49.40      

Unscaled Zero Point Vibrational Energy (zpe) 1583.5 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 1519.3 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/6-31G
B
0.36451

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.104
C2 0.000 0.000 -0.157
N3 0.000 0.000 1.036

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.94763.1401
C21.94761.1925
N33.14011.1925

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/6-31G
 hartrees
Energy at 0K-99.874621
Energy at 298.15K 
HF Energy-99.651737
Nuclear repulsion energy24.119405
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/6-31G
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G
B
0.36451

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.476 -0.574 0.000
C2 -0.738 -0.378 0.000
N3 0.000 0.570 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.22251.8673
C22.22251.2011
N31.86731.2011

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 57.161 Li1 N3 C2 90.126
C2 Li1 N3 32.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-99.935782
Energy at 298.15K-99.934824
HF Energy-99.738986
Nuclear repulsion energy27.840624
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/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 2096 2011 126.84      
2 Σ 726 697 152.74      
3 Π 151 145 44.49      
3 Π 151 145 44.49      

Unscaled Zero Point Vibrational Energy (zpe) 1561.6 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 1498.3 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/6-31G
B
0.42144

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.914
C2 0.000 0.000 -1.089
N3 0.000 0.000 0.113

Atom - Atom Distances (Å)
  Li1 C2 N3
Li13.00311.8018
C23.00311.2013
N31.80181.2013

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