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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 no CS 1A'
1 3 yes C*V LiNC 1Σ

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-100.203536
Energy at 298.15K-100.202714
HF Energy-100.203536
Nuclear repulsion energy27.400258
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 2210 2113 9.01      
2 Σ 654 625 116.50      
3 Π 206 197 48.94      
3 Π 206 197 48.94      

Unscaled Zero Point Vibrational Energy (zpe) 1637.9 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 1565.7 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 PBE1PBE/6-31G
B
0.37620

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 -2.068
C2 0.000 0.000 -0.159
N3 0.000 0.000 1.022

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.90913.0904
C21.90911.1813
N33.09041.1813

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 0.575      
2 C -0.177      
3 N -0.399      


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 -8.882 8.882
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.145 0.000 0.000
y 0.000 -14.145 0.000
z 0.000 0.000 0.961
Traceless
 xyz
x -7.553 0.000 0.000
y 0.000 -7.553 0.000
z 0.000 0.000 15.106
Polar
3z2-r230.213
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 2.063 0.000 0.000
y 0.000 2.063 0.000
z 0.000 0.000 4.315


<r2> (average value of r2) Å2
<r2> 25.988
(<r2>)1/2 5.098

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-100.207236
Energy at 298.15K-100.206483
HF Energy-100.207236
Nuclear repulsion energy28.109589
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' 2119 2026 159.91      
2 A' 751 718 143.42      
3 A' 150 144 45.93      

Unscaled Zero Point Vibrational Energy (zpe) 1510.3 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 1443.7 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 PBE1PBE/6-31G
B
0.43266

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 0.011 1.885 0.000
C2 -0.006 -1.078 0.000
N3 0.000 0.116 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.96341.7695
C22.96341.1939
N31.76951.1939

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 0.057 Li1 N3 C2 179.905
C2 Li1 N3 0.038
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 0.655      
2 C -0.040      
3 N -0.614      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.052 8.525 0.000 8.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.061 0.078 0.000
y 0.078 -2.072 0.000
z 0.000 0.000 -14.062
Traceless
 xyz
x -5.994 0.078 0.000
y 0.078 11.989 0.000
z 0.000 0.000 -5.995
Polar
3z2-r2-11.990
x2-y2-11.989
xy0.078
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.964 0.013 0.000
y 0.013 4.401 0.000
z 0.000 0.000 1.964


<r2> (average value of r2) Å2
<r2> 24.018
(<r2>)1/2 4.901

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-100.207236
Energy at 298.15K-100.206287
HF Energy-100.207236
Nuclear repulsion energy28.108676
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 2119 2026 159.87      
2 Σ 750 717 143.44      
3 Π 150 144 45.92      
3 Π 150 144 45.92      

Unscaled Zero Point Vibrational Energy (zpe) 1585.3 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 1515.4 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 PBE1PBE/6-31G
B
0.43260

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 1.886
C2 0.000 0.000 -1.078
N3 0.000 0.000 0.116

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.96361.7697
C22.96361.1939
N31.76971.1939

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 0.655      
2 C -0.041      
3 N -0.614      


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 8.526 8.526
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.062 0.000 0.000
y 0.000 -14.062 0.000
z 0.000 0.000 -2.069
Traceless
 xyz
x -5.996 0.000 0.000
y 0.000 -5.996 0.000
z 0.000 0.000 11.993
Polar
3z2-r223.985
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 1.964 0.000 0.000
y 0.000 1.964 0.000
z 0.000 0.000 4.402


<r2> (average value of r2) Å2
<r2> 24.020
(<r2>)1/2 4.901