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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 yes CS 1A'
1 3 no C*V LiNC 1Σ

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-100.332945
Energy at 298.15K-100.331990
HF Energy-100.332945
Nuclear repulsion energy27.562515
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 2276 2165 9.74      
2 Σ 635 604 116.97      
3 Π 165 157 43.79      
3 Π 165 157 43.79      

Unscaled Zero Point Vibrational Energy (zpe) 1620.3 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 1541.7 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
0.37543

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 -2.076
C2 0.000 0.000 -0.150
N3 0.000 0.000 1.018

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92653.0946
C21.92651.1681
N33.09461.1681

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 0.491      
2 C -0.050      
3 N -0.441      


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 -8.887 8.887
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.079 0.000 0.000
y 0.000 -14.079 0.000
z 0.000 0.000 1.702
Traceless
 xyz
x -7.890 0.000 0.000
y 0.000 -7.890 0.000
z 0.000 0.000 15.781
Polar
3z2-r231.561
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 2.290 0.000 0.000
y 0.000 2.290 0.000
z 0.000 0.000 4.326


<r2> (average value of r2) Å2
<r2> 25.834
(<r2>)1/2 5.083

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-100.338517
Energy at 298.15K-100.337799
HF Energy-100.338517
Nuclear repulsion energy29.190094
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' 674 641 131.02      
2 A' 195 185 24.64      
3 A' 2143 2039 38.55      

Unscaled Zero Point Vibrational Energy (zpe) 1506.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 1433.0 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 mPW1PW91/6-31G**
ABC
2.07101 0.79687 0.57545

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 1.430 -0.613 0.000
C2 -0.715 -0.365 0.000
N3 0.000 0.576 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.15981.8598
C22.15981.1819
N31.85981.1819

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 59.352 Li1 N3 C2 87.506
C2 Li1 N3 33.142
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 0.414      
2 C 0.055      
3 N -0.469      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.388 -2.589 0.000 6.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.770 -5.925 0.000
y -5.925 -15.014 0.000
z 0.000 0.000 -14.484
Traceless
 xyz
x 8.980 -5.925 0.000
y -5.925 -4.887 0.000
z 0.000 0.000 -4.092
Polar
3z2-r2-8.185
x2-y29.245
xy-5.925
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.197 0.356 0.000
y 0.356 3.208 0.000
z 0.000 0.000 2.507


<r2> (average value of r2) Å2
<r2> 20.797
(<r2>)1/2 4.560

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-100.334956
Energy at 298.15K 
HF Energy-100.334956
Nuclear repulsion energy28.255327
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 2179 2073 164.17      
2 Σ 725 690 146.34      
3 Π 24i 23i 34.51      
3 Π 24i 23i 34.51      

Unscaled Zero Point Vibrational Energy (zpe) 1428.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 1359.1 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
0.43233

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 1.893
C2 0.000 0.000 -1.073
N3 0.000 0.000 0.108

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.96531.7840
C22.96531.1813
N31.78401.1813

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 0.592      
2 C -0.080      
3 N -0.512      


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 8.603 8.603
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.012 0.000 0.000
y 0.000 -14.012 0.000
z 0.000 0.000 -1.543
Traceless
 xyz
x -6.234 0.000 0.000
y 0.000 -6.234 0.000
z 0.000 0.000 12.469
Polar
3z2-r224.938
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 2.218 0.000 0.000
y 0.000 2.218 0.000
z 0.000 0.000 4.387


<r2> (average value of r2) Å2
<r2> 23.889
(<r2>)1/2 4.888