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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-100.244428
Energy at 298.15K-100.243471
HF Energy-100.244428
Nuclear repulsion energy27.557429
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 HSEh1PBE/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 2274 2170 10.42      
2 Σ 636 607 115.63      
3 Π 165 157 43.70      
3 Π 165 157 43.70      

Unscaled Zero Point Vibrational Energy (zpe) 1619.3 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 1545.3 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 HSEh1PBE/6-31G**
B
0.37562

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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
Li11.92513.0938
C21.92511.1687
N33.09381.1687

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 HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.484      
2 C -0.048      
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 -8.851 8.851
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.104 0.000 0.000
y 0.000 -14.104 0.000
z 0.000 0.000 1.633
Traceless
 xyz
x -7.868 0.000 0.000
y 0.000 -7.868 0.000
z 0.000 0.000 15.736
Polar
3z2-r231.472
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 2.310 0.000 0.000
y 0.000 2.310 0.000
z 0.000 0.000 4.370


<r2> (average value of r2) Å2
<r2> 25.850
(<r2>)1/2 5.084

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-100.250046
Energy at 298.15K-100.249332
HF Energy-100.250046
Nuclear repulsion energy29.195403
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 HSEh1PBE/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' 2141 2043 37.93      
2 A' 677 646 130.39      
3 A' 196 187 24.51      

Unscaled Zero Point Vibrational Energy (zpe) 1506.8 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 1437.9 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 HSEh1PBE/6-31G**
ABC
2.06181 0.80066 0.57671

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.437 -0.591 0.000
C2 -0.719 -0.369 0.000
N3 0.000 0.570 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.16711.8474
C22.16711.1821
N31.84741.1821

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 58.454 Li1 N3 C2 88.500
C2 Li1 N3 33.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.404      
2 C 0.058      
3 N -0.462      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.344 -2.576 0.000 6.847
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.848 -5.917 0.000
y -5.917 -15.043 0.000
z 0.000 0.000 -14.518
Traceless
 xyz
x 8.933 -5.917 0.000
y -5.917 -4.861 0.000
z 0.000 0.000 -4.072
Polar
3z2-r2-8.145
x2-y29.196
xy-5.917
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.224 0.344 0.000
y 0.344 3.229 0.000
z 0.000 0.000 2.532


<r2> (average value of r2) Å2
<r2> 20.799
(<r2>)1/2 4.561

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-100.246268
Energy at 298.15K 
HF Energy-100.246268
Nuclear repulsion energy28.250530
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 HSEh1PBE/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 2177 2077 165.85      
2 Σ 729 696 144.48      
3 Π 33i 31i 33.87      
3 Π 33i 31i 33.87      

Unscaled Zero Point Vibrational Energy (zpe) 1420.1 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 1355.2 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 HSEh1PBE/6-31G**
B
0.43252

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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
Li12.96461.7827
C22.96461.1820
N31.78271.1820

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 HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.584      
2 C -0.082      
3 N -0.502      


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 8.571 8.571
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 -1.613
Traceless
 xyz
x -6.214 0.000 0.000
y 0.000 -6.214 0.000
z 0.000 0.000 12.427
Polar
3z2-r224.854
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 2.240 0.000 0.000
y 0.000 2.240 0.000
z 0.000 0.000 4.453


<r2> (average value of r2) Å2
<r2> 23.908
(<r2>)1/2 4.890