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

using model chemistry: TPSSh/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 TPSSh/6-31+G**
 hartrees
Energy at 0K-100.380743
Energy at 298.15K-100.379856
HF Energy-100.380743
Nuclear repulsion energy27.415972
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 TPSSh/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 2206 2124 7.19      
2 Σ 625 601 125.64      
3 Π 189 182 43.57      
3 Π 189 182 43.57      

Unscaled Zero Point Vibrational Energy (zpe) 1604.2 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 1544.1 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 TPSSh/6-31+G**
B
0.37263

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.083
C2 0.000 0.000 -0.152
N3 0.000 0.000 1.023

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.93023.1060
C21.93021.1757
N33.10601.1757

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
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.087      
2 C 0.327      
3 N -0.414      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -9.286 9.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.553 0.000 0.000
y 0.000 2.553 0.000
z 0.000 0.000 4.968


<r2> (average value of r2) Å2
<r2> 26.270
(<r2>)1/2 5.125

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-100.381566
Energy at 298.15K-100.380710
HF Energy-100.381566
Nuclear repulsion energy28.990731
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 TPSSh/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' 2086 2007 46.28      
2 A' 667 642 146.59      
3 A' 110 106 36.53      

Unscaled Zero Point Vibrational Energy (zpe) 1431.1 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 1377.4 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 TPSSh/6-31+G**
ABC
2.21830 0.75157 0.56138

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.444 -0.581 0.000
C2 -0.722 -0.373 0.000
N3 0.000 0.569 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.17631.8458
C22.17631.1872
N31.84581.1872

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 57.995 Li1 N3 C2 88.951
C2 Li1 N3 33.054
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.532      
2 C -0.364      
3 N -0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.904 -2.283 0.000 7.271
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.952 0.496 0.000
y 0.496 3.791 0.000
z 0.000 0.000 2.963


<r2> (average value of r2) Å2
<r2> 21.234
(<r2>)1/2 4.608

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-100.384134
Energy at 298.15K-100.383108
HF Energy-100.384134
Nuclear repulsion energy28.146969
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 TPSSh/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 2122 2042 163.91      
2 Σ 708 681 156.13      
3 Π 132 127 36.18      
3 Π 132 127 36.18      

Unscaled Zero Point Vibrational Energy (zpe) 1546.8 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 1488.8 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 TPSSh/6-31+G**
B
0.43041

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.895
C2 0.000 0.000 -1.077
N3 0.000 0.000 0.111

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.97171.7840
C22.97171.1877
N31.78401.1877

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
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.489      
2 C -0.382      
3 N -0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 9.023 9.023
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.661 0.000 0.000
y 0.000 2.661 0.000
z 0.000 0.000 5.064


<r2> (average value of r2) Å2
<r2> 24.345
(<r2>)1/2 4.934