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

using model chemistry: PBE1PBE/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 yes CS 1A'
1 3 no C*V LiNC 1Σ

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-100.234028
Energy at 298.15K-100.233074
HF Energy-100.234028
Nuclear repulsion energy27.555662
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 PBE1PBE/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 2275 2168 10.23      
2 Σ 637 607 115.84      
3 Π 165 157 43.94      
3 Π 165 157 43.94      

Unscaled Zero Point Vibrational Energy (zpe) 1621.2 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1545.2 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 PBE1PBE/6-31G**
B
0.37565

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

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 -0.150
N3 0.000 0.000 1.018

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92483.0936
C21.92481.1688
N33.09361.1688

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 PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.485      
2 C -0.051      
3 N -0.435      


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 -8.854 8.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.107 0.000 0.000
y 0.000 -14.107 0.000
z 0.000 0.000 1.642
Traceless
 xyz
x -7.874 0.000 0.000
y 0.000 -7.874 0.000
z 0.000 0.000 15.748
Polar
3z2-r231.496
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 2.304 0.000 0.000
y 0.000 2.304 0.000
z 0.000 0.000 4.351


<r2> (average value of r2) Å2
<r2> 25.848
(<r2>)1/2 5.084

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-100.239543
Energy at 298.15K-100.238831
HF Energy-100.239543
Nuclear repulsion energy29.197293
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 PBE1PBE/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 A' 2142 2042 37.49      
2 A' 675 644 130.97      
3 A' 198 189 24.29      

Unscaled Zero Point Vibrational Energy (zpe) 1507.7 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1437.0 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 PBE1PBE/6-31G**
ABC
2.05372 0.80306 0.57731

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.423 -0.619 0.000
C2 -0.712 -0.366 0.000
N3 0.000 0.579 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.15001.8602
C22.15001.1826
N31.86021.1826

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 59.766 Li1 N3 C2 86.917
C2 Li1 N3 33.317
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.406      
2 C 0.057      
3 N -0.463      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.339 -2.590 0.000 6.848
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.876 -5.931 0.000
y -5.931 -15.034 0.000
z 0.000 0.000 -14.520
Traceless
 xyz
x 8.901 -5.931 0.000
y -5.931 -4.836 0.000
z 0.000 0.000 -4.065
Polar
3z2-r2-8.131
x2-y29.158
xy-5.931
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.212 0.347 0.000
y 0.347 3.229 0.000
z 0.000 0.000 2.528


<r2> (average value of r2) Å2
<r2> 20.790
(<r2>)1/2 4.560

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-100.235722
Energy at 298.15K 
HF Energy-100.235722
Nuclear repulsion energy28.248948
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 PBE1PBE/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 2178 2076 164.97      
2 Σ 729 695 145.09      
3 Π 31i 29i 34.05      
3 Π 31i 29i 34.05      

Unscaled Zero Point Vibrational Energy (zpe) 1422.6 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1355.8 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 PBE1PBE/6-31G**
B
0.43250

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.892
C2 0.000 0.000 -1.073
N3 0.000 0.000 0.109

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.96471.7826
C22.96471.1821
N31.78261.1821

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 PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.587      
2 C -0.082      
3 N -0.505      


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 8.584 8.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.040 0.000 0.000
y 0.000 -14.040 0.000
z 0.000 0.000 -1.606
Traceless
 xyz
x -6.217 0.000 0.000
y 0.000 -6.217 0.000
z 0.000 0.000 12.434
Polar
3z2-r224.868
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 2.234 0.000 0.000
y 0.000 2.234 0.000
z 0.000 0.000 4.432


<r2> (average value of r2) Å2
<r2> 23.907
(<r2>)1/2 4.889