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

using model chemistry: CCD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-100.070490
Energy at 298.15K-100.069594
HF Energy-99.778459
Nuclear repulsion energy27.348308
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/6-31+G**
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 2227 2098 7.72      
2 Σ 618 582 130.30      
3 Π 187 176 44.53      
3 Π 187 176 44.53      

Unscaled Zero Point Vibrational Energy (zpe) 1609.1 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 1516.3 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/6-31+G**
B
0.36912

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.095
C2 0.000 0.000 -0.150
N3 0.000 0.000 1.026

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.94443.1211
C21.94441.1766
N33.12111.1766

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/6-31+G**
 hartrees
Energy at 0K-100.073479
Energy at 298.15K-100.072654
HF Energy-99.783791
Nuclear repulsion energy28.908937
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/6-31+G**
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' 2126 2003 40.57      
2 A' 662 623 153.41      
3 A' 130 123 35.80      

Unscaled Zero Point Vibrational Energy (zpe) 1458.8 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 1374.6 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/6-31+G**
ABC
2.22553 0.73756 0.55397

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.449 -0.588 0.000
C2 -0.725 -0.371 0.000
N3 0.000 0.570 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.18461.8546
C22.18461.1871
N31.85461.1871

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 58.084 Li1 N3 C2 89.007
C2 Li1 N3 32.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-100.074741
Energy at 298.15K-100.073717
HF Energy-99.789593
Nuclear repulsion energy28.103796
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/6-31+G**
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 2169 2044 147.61      
2 Σ 700 660 167.76      
3 Π 134 126 38.61      
3 Π 134 126 38.61      

Unscaled Zero Point Vibrational Energy (zpe) 1568.2 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 1477.7 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/6-31+G**
B
0.42648

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.907
C2 0.000 0.000 -1.079
N3 0.000 0.000 0.107

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.98581.7997
C22.98581.1861
N31.79971.1861

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