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

using model chemistry: B2PLYP/6-31G(2df,p)

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 B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-100.290199
Energy at 298.15K-100.289192
HF Energy-100.177763
Nuclear repulsion energy27.566347
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 B2PLYP/6-31G(2df,p)
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 2070 19.77      
2 Σ 636 607 108.14      
3 Π 148 141 36.91      
3 Π 148 141 36.91      

Unscaled Zero Point Vibrational Energy (zpe) 1549.6 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 1479.9 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 B2PLYP/6-31G(2df,p)
B
0.37982

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.059
C2 0.000 0.000 -0.156
N3 0.000 0.000 1.017

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.90283.0758
C21.90281.1730
N33.07581.1730

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 B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.193      
2 C 0.098      
3 N -0.291      


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 -8.755 8.755
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.199 0.000 0.000
y 0.000 -14.199 0.000
z 0.000 0.000 1.464
Traceless
 xyz
x -7.831 0.000 0.000
y 0.000 -7.831 0.000
z 0.000 0.000 15.663
Polar
3z2-r231.325
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 2.702 0.000 0.000
y 0.000 2.702 0.000
z 0.000 0.000 4.199


<r2> (average value of r2) Å2
<r2> 25.710
(<r2>)1/2 5.070

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-100.297097
Energy at 298.15K-100.296365
HF Energy-100.186355
Nuclear repulsion energy29.191645
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 B2PLYP/6-31G(2df,p)
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' 2052 1960 29.27      
2 A' 675 645 128.41      
3 A' 183 175 28.99      

Unscaled Zero Point Vibrational Energy (zpe) 1455.3 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 1389.9 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 B2PLYP/6-31G(2df,p)
ABC
2.06333 0.80571 0.57945

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.436 -0.582 0.000
C2 -0.718 -0.373 0.000
N3 0.000 0.569 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.16471.8405
C22.16471.1841
N31.84051.1841

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 58.212 Li1 N3 C2 88.636
C2 Li1 N3 33.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.197      
2 C -0.015      
3 N -0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.318 -2.394 0.000 6.756
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.889 -5.974 0.000
y -5.974 -15.197 0.000
z 0.000 0.000 -14.579
Traceless
 xyz
x 8.999 -5.974 0.000
y -5.974 -4.963 0.000
z 0.000 0.000 -4.036
Polar
3z2-r2-8.072
x2-y29.308
xy-5.974
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.348 0.369 0.000
y 0.369 3.402 0.000
z 0.000 0.000 2.813


<r2> (average value of r2) Å2
<r2> 20.794
(<r2>)1/2 4.560

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-100.295818
Energy at 298.15K-100.294707
HF Energy-100.187322
Nuclear repulsion energy28.325610
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 B2PLYP/6-31G(2df,p)
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 2107 2012 137.89      
2 Σ 739 706 137.65      
3 Π 103 98 25.07      
3 Π 103 98 25.07      

Unscaled Zero Point Vibrational Energy (zpe) 1525.9 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 1457.3 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 B2PLYP/6-31G(2df,p)
B
0.43807

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.875
C2 0.000 0.000 -1.070
N3 0.000 0.000 0.113

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.94531.7621
C22.94531.1831
N31.76211.1831

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 B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.350      
2 C -0.289      
3 N -0.060      


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 8.624 8.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.249 0.000 0.000
y 0.000 -14.249 0.000
z 0.000 0.000 -1.921
Traceless
 xyz
x -6.164 0.000 0.000
y 0.000 -6.164 0.000
z 0.000 0.000 12.328
Polar
3z2-r224.656
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 2.655 0.000 0.000
y 0.000 2.655 0.000
z 0.000 0.000 4.236


<r2> (average value of r2) Å2
<r2> 23.842
(<r2>)1/2 4.883