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

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-99.207968
Energy at 298.15K-99.207236
HF Energy-99.207968
Nuclear repulsion energy27.813532
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 HF/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 2429 2192 7.17      
2 Σ 674 608 124.00      
3 Π 234 211 48.34      
3 Π 234 211 48.34      

Unscaled Zero Point Vibrational Energy (zpe) 1785.3 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 1611.4 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 HF/3-21G*
B
0.37774

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/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 -0.142
N3 0.000 0.000 1.011

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.93363.0860
C21.93361.1524
N33.08601.1524

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 HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.599      
2 C -0.091      
3 N -0.508      


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 -9.109 9.109
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.136 0.000 0.000
y 0.000 -14.136 0.000
z 0.000 0.000 1.207
Traceless
 xyz
x -7.672 0.000 0.000
y 0.000 -7.672 0.000
z 0.000 0.000 15.343
Polar
3z2-r230.686
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 1.703 0.000 0.000
y 0.000 1.703 0.000
z 0.000 0.000 3.652


<r2> (average value of r2) Å2
<r2> 25.827
(<r2>)1/2 5.082

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-99.224462
Energy at 298.15K-99.223763
HF Energy-99.224462
Nuclear repulsion energy28.624840
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 HF/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 A' 2300 2076 214.90      
2 A' 810 731 160.35      
3 A' 171 154 47.23      

Unscaled Zero Point Vibrational Energy (zpe) 1640.5 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 1480.7 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 HF/3-21G*
B
0.44555

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 -0.010 1.862 0.000
C2 0.005 -1.059 0.000
N3 0.000 0.110 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.92071.7523
C22.92071.1684
N31.75231.1684

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 0.051 Li1 N3 C2 179.915
C2 Li1 N3 0.034
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.606      
2 C 0.156      
3 N -0.762      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.047 8.316 0.000 8.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.981 -0.069 0.000
y -0.069 -2.577 0.000
z 0.000 0.000 -13.982
Traceless
 xyz
x -5.702 -0.069 0.000
y -0.069 11.404 0.000
z 0.000 0.000 -5.702
Polar
3z2-r2-11.405
x2-y2-11.404
xy-0.069
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.635 -0.011 0.000
y -0.011 3.858 0.000
z 0.000 0.000 1.635


<r2> (average value of r2) Å2
<r2> 23.569
(<r2>)1/2 4.855

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-99.224462
Energy at 298.15K-99.223595
HF Energy-99.224462
Nuclear repulsion energy28.628656
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 HF/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 2301 2077 214.94      
2 Σ 811 732 160.30      
3 Π 170 153 47.24      
3 Π 170 153 47.24      

Unscaled Zero Point Vibrational Energy (zpe) 1725.4 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 1557.4 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 HF/3-21G*
B
0.44571

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.862
C2 0.000 0.000 -1.059
N3 0.000 0.000 0.110

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.92021.7519
C22.92021.1683
N31.75191.1683

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 HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.606      
2 C 0.156      
3 N -0.762      


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 8.314 8.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.981 0.000 0.000
y 0.000 -13.981 0.000
z 0.000 0.000 -2.582
Traceless
 xyz
x -5.700 0.000 0.000
y 0.000 -5.700 0.000
z 0.000 0.000 11.399
Polar
3z2-r222.798
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 1.635 0.000 0.000
y 0.000 1.635 0.000
z 0.000 0.000 3.857


<r2> (average value of r2) Å2
<r2> 23.564
(<r2>)1/2 4.854