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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-15.748042
Energy at 298.15K-15.747136
HF Energy-15.748042
Nuclear repulsion energy10.716434
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 B3LYP/CEP-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 2097 2031 6.71      
2 Σ 595 576 118.95      
3 Π 189 183 48.89      
3 Π 189 183 48.89      

Unscaled Zero Point Vibrational Energy (zpe) 1535.2 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 1486.7 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 B3LYP/CEP-31G
B
0.36087

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.113
C2 0.000 0.000 -0.161
N3 0.000 0.000 1.043

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.95193.1555
C21.95191.2036
N33.15551.2036

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 B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.442      
2 C -0.568      
3 N 0.125      


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 -9.390 9.390
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.340 0.000 0.000
y 0.000 -14.340 0.000
z 0.000 0.000 1.934
Traceless
 xyz
x -8.137 0.000 0.000
y 0.000 -8.137 0.000
z 0.000 0.000 16.274
Polar
3z2-r232.549
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.295 0.000 0.000
y 0.000 2.295 0.000
z 0.000 0.000 4.564


<r2> (average value of r2) Å2
<r2> 15.573
(<r2>)1/2 3.946

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-15.724221
Energy at 298.15K 
HF Energy-15.724221
Nuclear repulsion energy9.837188
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 B3LYP/CEP-31G
Rotational Constants (cm-1) from geometry optimized at B3LYP/CEP-31G
B
0.36087

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.472 -0.569 0.000
C2 -0.736 -0.387 0.000
N3 0.000 0.575 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.21551.8644
C22.21551.2111
N31.86441.2111

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 57.298 Li1 N3 C2 89.566
C2 Li1 N3 33.137
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.608      
2 C -0.259      
3 N -0.349      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  9.392 -0.827 0.000 9.429
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x 1.592 -0.285 0.000
y -0.285 -16.201 0.000
z 0.000 0.000 -14.732
Traceless
 xyz
x 17.059 -0.285 0.000
y -0.285 -9.631 0.000
z 0.000 0.000 -7.428
Polar
3z2-r2-14.856
x2-y217.793
xy-0.285
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.295 0.000 0.000
y 0.000 2.295 0.000
z 0.000 0.000 4.564


<r2> (average value of r2) Å2
<r2> 16.236
(<r2>)1/2 4.029

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-15.753544
Energy at 298.15K-15.752533
HF Energy-15.753544
Nuclear repulsion energy10.855862
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 B3LYP/CEP-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 2018 1954 170.57      
2 Σ 632 612 146.00      
3 Π 149 144 45.83      
3 Π 149 144 45.83      

Unscaled Zero Point Vibrational Energy (zpe) 1474.0 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 1427.4 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 B3LYP/CEP-31G
B
0.41394

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.929
C2 0.000 0.000 -1.100
N3 0.000 0.000 0.116

Atom - Atom Distances (Å)
  Li1 C2 N3
Li13.02991.8131
C23.02991.2168
N31.81311.2168

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 B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.542      
2 C -0.316      
3 N -0.226      


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 9.080 9.080
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.193 0.000 0.000
y 0.000 -14.193 0.000
z 0.000 0.000 -1.652
Traceless
 xyz
x -6.271 0.000 0.000
y 0.000 -6.271 0.000
z 0.000 0.000 12.541
Polar
3z2-r225.083
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.263 0.000 0.000
y 0.000 2.263 0.000
z 0.000 0.000 4.794


<r2> (average value of r2) Å2
<r2> 14.888
(<r2>)1/2 3.859