return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/cc-pVTZ

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 M06-2X/cc-pVTZ
 hartrees
Energy at 0K-100.377356
Energy at 298.15K-100.376365
HF Energy-100.377356
Nuclear repulsion energy27.829551
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 M06-2X/cc-pVTZ
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 2281 2178 7.65      
2 Σ 641 612 128.37      
3 Π 151 144 38.63      
3 Π 151 144 38.65      

Unscaled Zero Point Vibrational Energy (zpe) 1611.7 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 1539.3 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 M06-2X/cc-pVTZ
B
0.38226

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.058
C2 0.000 0.000 -0.148
N3 0.000 0.000 1.009

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91063.0669
C21.91061.1563
N33.06691.1563

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 M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.406      
2 C -0.255      
3 N -0.152      


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 -9.119 9.119
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.259 0.000 0.000
y 0.000 -14.259 0.000
z 0.000 0.000 1.235
Traceless
 xyz
x -7.747 0.000 0.000
y 0.000 -7.747 0.000
z 0.000 0.000 15.494
Polar
3z2-r230.988
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 2.681 0.000 0.000
y 0.000 2.681 -0.000
z 0.000 -0.000 4.213


<r2> (average value of r2) Å2
<r2> 25.642
(<r2>)1/2 5.064

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at M06-2X/cc-pVTZ
 hartrees
Energy at 0K-100.383869
Energy at 298.15K-100.383166
HF Energy-100.383869
Nuclear repulsion energy29.527533
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 M06-2X/cc-pVTZ
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' 2166 2069 42.64      
2 A' 677 646 152.62      
3 A' 200 191 32.37      

Unscaled Zero Point Vibrational Energy (zpe) 1521.3 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 1453.0 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 M06-2X/cc-pVTZ
ABC
2.08560 0.82448 0.59089

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.432 -0.587 0.000
C2 -0.716 -0.363 0.000
N3 0.000 0.563 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.15951.8366
C22.15951.1700
N31.83661.1700

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 58.245 Li1 N3 C2 88.956
C2 Li1 N3 32.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.296      
2 C -0.130      
3 N -0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.401 -2.558 0.000 6.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.243 -5.932 0.000
y -5.932 -14.896 0.000
z 0.000 0.000 -14.389
Traceless
 xyz
x 8.399 -5.932 0.000
y -5.932 -4.580 0.000
z 0.000 0.000 -3.819
Polar
3z2-r2-7.639
x2-y28.653
xy-5.932
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.466 0.368 0.000
y 0.368 3.446 0.000
z 0.000 0.000 2.806


<r2> (average value of r2) Å2
<r2> 20.502
(<r2>)1/2 4.528

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at M06-2X/cc-pVTZ
 hartrees
Energy at 0K-100.383674
Energy at 298.15K-100.382629
HF Energy-100.383674
Nuclear repulsion energy28.564986
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 M06-2X/cc-pVTZ
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 2189 2090 180.96      
2 Σ 736 703 157.35      
3 Π 122 116 26.85      
3 Π 122 116 26.85      

Unscaled Zero Point Vibrational Energy (zpe) 1583.7 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 1512.6 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 M06-2X/cc-pVTZ
B
0.44245

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.870
C2 0.000 0.000 -1.061
N3 0.000 0.000 0.108

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.93111.7618
C22.93111.1693
N31.76181.1693

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 M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.382      
2 C -0.284      
3 N -0.099      


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 8.826 8.826
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.277 0.000 0.000
y 0.000 -14.277 0.000
z 0.000 0.000 -2.334
Traceless
 xyz
x -5.972 0.000 0.000
y 0.000 -5.972 0.000
z 0.000 0.000 11.943
Polar
3z2-r223.886
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 2.698 0.000 0.000
y 0.000 2.698 0.000
z 0.000 0.000 4.291


<r2> (average value of r2) Å2
<r2> 23.759
(<r2>)1/2 4.874