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

using model chemistry: B3PW91/STO-3G

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 B3PW91/STO-3G
 hartrees
Energy at 0K-99.007442
Energy at 298.15K-99.006489
HF Energy-99.007442
Nuclear repulsion energy27.230916
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 B3PW91/STO-3G
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 2226 1970 176.97      
2 Σ 726 643 77.46      
3 Π 180 159 43.13      
3 Π 180 159 43.13      

Unscaled Zero Point Vibrational Energy (zpe) 1655.5 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 1465.1 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 B3PW91/STO-3G
B
0.38455

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.029
C2 0.000 0.000 -0.181
N3 0.000 0.000 1.025

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.84763.0532
C21.84761.2056
N33.05321.2056

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 B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.235      
2 C -0.017      
3 N -0.218      


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 -6.779 6.779
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.120 0.000 0.000
y 0.000 -13.120 0.000
z 0.000 0.000 -0.095
Traceless
 xyz
x -6.513 0.000 0.000
y 0.000 -6.513 0.000
z 0.000 0.000 13.025
Polar
3z2-r226.051
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 1.597 0.000 0.000
y 0.000 1.597 0.000
z 0.000 0.000 3.916


<r2> (average value of r2) Å2
<r2> 25.373
(<r2>)1/2 5.037

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-99.014223
Energy at 298.15K-99.013675
HF Energy-99.014223
Nuclear repulsion energy29.404071
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 B3PW91/STO-3G
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' 799 707 99.44      
2 A' 338 299 1.77      
3 A' 2104 1862 63.53      

Unscaled Zero Point Vibrational Energy (zpe) 1620.6 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 1434.2 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 B3PW91/STO-3G
ABC
1.77284 0.98864 0.63470

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.377 -0.556 0.000
C2 -0.689 -0.415 0.000
N3 0.000 0.594 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.07091.7940
C22.07091.2218
N31.79401.2218

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 59.574 Li1 N3 C2 84.465
C2 Li1 N3 35.960
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.224      
2 C 0.014      
3 N -0.238      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.046 -1.841 0.000 4.446
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.121 -4.883 0.000
y -4.883 -14.443 0.000
z 0.000 0.000 -13.658
Traceless
 xyz
x 6.930 -4.883 0.000
y -4.883 -4.054 0.000
z 0.000 0.000 -2.876
Polar
3z2-r2-5.752
x2-y27.322
xy-4.883
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.668 -0.385 0.000
y -0.385 2.086 0.000
z 0.000 0.000 1.684


<r2> (average value of r2) Å2
<r2> 19.612
(<r2>)1/2 4.429

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-99.006801
Energy at 298.15K-99.005617
HF Energy-99.006801
Nuclear repulsion energy28.053232
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 B3PW91/STO-3G
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 2090 1850 443.13      
2 Σ 865 765 95.77      
3 Π 88 77 31.08      
3 Π 88 77 31.08      

Unscaled Zero Point Vibrational Energy (zpe) 1564.8 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 1384.8 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 B3PW91/STO-3G
B
0.44915

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.824
C2 0.000 0.000 -1.080
N3 0.000 0.000 0.144

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.90431.6805
C22.90431.2238
N31.68051.2238

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 B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.311      
2 C -0.007      
3 N -0.304      


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 6.112 6.112
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.953 0.000 0.000
y 0.000 -12.953 0.000
z 0.000 0.000 -3.611
Traceless
 xyz
x -4.671 0.000 0.000
y 0.000 -4.671 0.000
z 0.000 0.000 9.343
Polar
3z2-r218.686
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 1.436 0.000 0.000
y 0.000 1.436 0.000
z 0.000 0.000 4.405


<r2> (average value of r2) Å2
<r2> 23.273
(<r2>)1/2 4.824