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

using model chemistry: TPSSh/3-21G

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/3-21G
 hartrees
Energy at 0K-99.812256
Energy at 298.15K-99.811450
HF Energy-99.812256
Nuclear repulsion energy27.368167
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/3-21G
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 2168 2100 19.63      
2 Σ 663 642 100.86      
3 Π 209 202 50.47      
3 Π 209 202 50.47      

Unscaled Zero Point Vibrational Energy (zpe) 1624.0 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 1573.3 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 TPSSh/3-21G
B
0.37423

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G

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 -0.157
N3 0.000 0.000 1.024

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91743.0987
C21.91741.1813
N33.09871.1813

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/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.531      
2 C -0.073      
3 N -0.458      


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 -8.518 8.518
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 2.174 0.000 0.000
y 0.000 2.174 0.000
z 0.000 0.000 4.181


<r2> (average value of r2) Å2
<r2> 26.172
(<r2>)1/2 5.116

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at TPSSh/3-21G
 hartrees
Energy at 0K-99.795436
Energy at 298.15K 
HF Energy-99.795436
Nuclear repulsion energy25.975383
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/3-21G
Rotational Constants (cm-1) from geometry optimized at TPSSh/3-21G
B
0.37423

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.472 -0.539 0.000
C2 -0.736 -0.383 0.000
N3 0.000 0.559 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.21321.8365
C22.21321.1957
N31.83651.1957

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 56.055 Li1 N3 C2 91.254
C2 Li1 N3 32.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.508      
2 C 0.061      
3 N -0.570      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  7.896 -1.741 0.000 8.086
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 2.174 0.000 0.000
y 0.000 2.174 0.000
z 0.000 0.000 4.181


<r2> (average value of r2) Å2
<r2> 25.852
(<r2>)1/2 5.085

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at TPSSh/3-21G
 hartrees
Energy at 0K-99.821051
Energy at 298.15K-99.820025
HF Energy-99.821051
Nuclear repulsion energy28.166079
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/3-21G
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 2074 2009 145.14      
2 Σ 771 747 131.00      
3 Π 124 120 37.58      
3 Π 124 120 37.58      

Unscaled Zero Point Vibrational Energy (zpe) 1546.8 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 1498.5 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/3-21G
B
0.43630

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.875
C2 0.000 0.000 -1.076
N3 0.000 0.000 0.118

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.95071.7565
C22.95071.1942
N31.75651.1942

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/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.529      
2 C 0.087      
3 N -0.616      


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 8.301 8.301
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 2.055 0.000 0.000
y 0.000 2.055 0.000
z 0.000 0.000 4.491


<r2> (average value of r2) Å2
<r2> 24.095
(<r2>)1/2 4.909