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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-100.230229
Energy at 298.15K-100.229238
HF Energy-100.230229
Nuclear repulsion energy27.325797
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 PBEPBEultrafine/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 2168 2138 16.44      
2 Σ 627 618 103.58      
3 Π 155 153 44.27      
3 Π 155 153 44.27      

Unscaled Zero Point Vibrational Energy (zpe) 1552.4 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 1531.2 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 PBEPBEultrafine/6-31G**
B
0.37215

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.082
C2 0.000 0.000 -0.156
N3 0.000 0.000 1.026

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92563.1076
C21.92561.1820
N33.10761.1820

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 PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.443      
2 C -0.025      
3 N -0.418      


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 -8.566 8.566
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.302 0.000 0.000
y 0.000 -14.302 0.000
z 0.000 0.000 1.419
Traceless
 xyz
x -7.861 0.000 0.000
y 0.000 -7.861 0.000
z 0.000 0.000 15.721
Polar
3z2-r231.443
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 2.582 0.000 0.000
y 0.000 2.582 0.000
z 0.000 0.000 4.871


<r2> (average value of r2) Å2
<r2> 26.173
(<r2>)1/2 5.116

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-100.235487
Energy at 298.15K-100.234793
HF Energy-100.235487
Nuclear repulsion energy28.997300
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 PBEPBEultrafine/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' 2042 2014 26.40      
2 A' 655 646 124.00      
3 A' 217 214 20.54      

Unscaled Zero Point Vibrational Energy (zpe) 1457.1 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 1437.2 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 PBEPBEultrafine/6-31G**
ABC
1.94420 0.81906 0.57628

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.431 -0.597 0.000
C2 -0.716 -0.376 0.000
N3 0.000 0.579 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.15841.8525
C22.15841.1933
N31.85251.1933

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 59.029 Li1 N3 C2 87.443
C2 Li1 N3 33.528
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.347      
2 C 0.063      
3 N -0.410      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.085 -2.584 0.000 6.611
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.336 -6.008 0.000
y -6.008 -15.118 0.000
z 0.000 0.000 -14.790
Traceless
 xyz
x 8.617 -6.008 0.000
y -6.008 -4.555 0.000
z 0.000 0.000 -4.063
Polar
3z2-r2-8.125
x2-y28.781
xy-6.008
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.554 0.267 0.000
y 0.267 3.536 0.000
z 0.000 0.000 2.839


<r2> (average value of r2) Å2
<r2> 20.994
(<r2>)1/2 4.582

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-100.230161
Energy at 298.15K 
HF Energy-100.230161
Nuclear repulsion energy28.011144
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 PBEPBEultrafine/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 2080 2052 141.03      
2 Σ 712 702 125.40      
3 Π 61i 60i 31.47      
3 Π 61i 60i 31.47      

Unscaled Zero Point Vibrational Energy (zpe) 1335.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 1316.9 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 PBEPBEultrafine/6-31G**
B
0.42698

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.902
C2 0.000 0.000 -1.082
N3 0.000 0.000 0.112

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.98351.7891
C22.98351.1945
N31.78911.1945

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 PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.536      
2 C -0.095      
3 N -0.442      


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 8.442 8.442
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.270 0.000 0.000
y 0.000 -14.270 0.000
z 0.000 0.000 -1.799
Traceless
 xyz
x -6.236 0.000 0.000
y 0.000 -6.236 0.000
z 0.000 0.000 12.472
Polar
3z2-r224.943
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 2.518 0.000 0.000
y 0.000 2.518 0.000
z 0.000 0.000 5.082


<r2> (average value of r2) Å2
<r2> 24.277
(<r2>)1/2 4.927