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

using model chemistry: mPW1PW91/6-31G

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 no CS 1A'
1 3 yes C*V LiNC 1Σ

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-100.302676
Energy at 298.15K-100.301853
HF Energy-100.302676
Nuclear repulsion energy27.407558
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 mPW1PW91/6-31G
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 2211 2093 8.67      
2 Σ 652 617 117.83      
3 Π 206 195 48.79      
3 Π 206 195 48.79      

Unscaled Zero Point Vibrational Energy (zpe) 1637.3 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 1549.9 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 mPW1PW91/6-31G
B
0.37605

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.069
C2 0.000 0.000 -0.158
N3 0.000 0.000 1.022

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91053.0911
C21.91051.1805
N33.09111.1805

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 mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.581      
2 C -0.181      
3 N -0.401      


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 -8.911 8.911
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.116 0.000 0.000
y 0.000 -14.116 0.000
z 0.000 0.000 1.023
Traceless
 xyz
x -7.569 0.000 0.000
y 0.000 -7.569 0.000
z 0.000 0.000 15.139
Polar
3z2-r230.278
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 2.046 0.000 0.000
y 0.000 2.046 0.000
z 0.000 0.000 4.288


<r2> (average value of r2) Å2
<r2> 25.970
(<r2>)1/2 5.096

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-100.306723
Energy at 298.15K-100.305972
HF Energy-100.306723
Nuclear repulsion energy28.116980
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 mPW1PW91/6-31G
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' 748 708 144.76      
2 A' 152 144 46.36      
3 A' 2121 2008 158.62      

Unscaled Zero Point Vibrational Energy (zpe) 1510.3 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 1429.7 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 mPW1PW91/6-31G
B
0.43256

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.009 1.886 0.000
C2 -0.005 -1.078 0.000
N3 0.000 0.115 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.96381.7707
C22.96381.1932
N31.77071.1932

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 0.045 Li1 N3 C2 179.924
C2 Li1 N3 0.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.659      
2 C -0.042      
3 N -0.617      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.042 8.542 0.000 8.542
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.032 0.062 0.000
y 0.062 -2.010 0.000
z 0.000 0.000 -14.032
Traceless
 xyz
x -6.011 0.062 0.000
y 0.062 12.021 0.000
z 0.000 0.000 -6.011
Polar
3z2-r2-12.022
x2-y2-12.021
xy0.062
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.947 0.010 0.000
y 0.010 4.345 0.000
z 0.000 0.000 1.947


<r2> (average value of r2) Å2
<r2> 23.996
(<r2>)1/2 4.899

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-100.306723
Energy at 298.15K-100.305778
HF Energy-100.306723
Nuclear repulsion energy28.116702
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 mPW1PW91/6-31G
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 2121 2008 158.60      
2 Σ 748 708 144.77      
3 Π 152 144 46.35      
3 Π 152 144 46.35      

Unscaled Zero Point Vibrational Energy (zpe) 1586.3 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 1501.6 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 mPW1PW91/6-31G
B
0.43253

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.886
C2 0.000 0.000 -1.078
N3 0.000 0.000 0.115

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.96391.7707
C22.96391.1932
N31.77071.1932

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 mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.659      
2 C -0.042      
3 N -0.617      


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 8.543 8.543
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.032 0.000 0.000
y 0.000 -14.032 0.000
z 0.000 0.000 -2.009
Traceless
 xyz
x -6.011 0.000 0.000
y 0.000 -6.011 0.000
z 0.000 0.000 12.023
Polar
3z2-r224.046
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 1.947 0.000 0.000
y 0.000 1.947 0.000
z 0.000 0.000 4.345


<r2> (average value of r2) Å2
<r2> 23.996
(<r2>)1/2 4.899