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: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-100.203735
Energy at 298.15K-100.202875
HF Energy-100.203735
Nuclear repulsion energy27.171109
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 PBEPBE/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 2107 2078 14.61      
2 Σ 643 634 102.92      
3 Π 195 192 49.31      
3 Π 195 192 49.31      

Unscaled Zero Point Vibrational Energy (zpe) 1570.1 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 1548.4 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 PBEPBE/6-31G
B
0.37252

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.075
C2 0.000 0.000 -0.164
N3 0.000 0.000 1.030

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91053.1050
C21.91051.1945
N33.10501.1945

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 PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.524      
2 C -0.149      
3 N -0.376      


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 -8.601 8.601
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.324 0.000 0.000
y 0.000 -14.324 0.000
z 0.000 0.000 0.814
Traceless
 xyz
x -7.569 0.000 0.000
y 0.000 -7.569 0.000
z 0.000 0.000 15.138
Polar
3z2-r230.276
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 2.341 0.000 0.000
y 0.000 2.341 0.000
z 0.000 0.000 4.804


<r2> (average value of r2) Å2
<r2> 26.300
(<r2>)1/2 5.128

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at PBEPBE/6-31G
 hartrees
Energy at 0K-100.179358
Energy at 298.15K 
HF Energy-100.179358
Nuclear repulsion energy25.684767
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 PBEPBE/6-31G
Rotational Constants (cm-1) from geometry optimized at PBEPBE/6-31G
B
0.37252

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.463 -0.565 0.000
C2 -0.732 -0.384 0.000
N3 0.000 0.572 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.20241.8532
C22.20241.2038
N31.85321.2038

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 57.288 Li1 N3 C2 89.579
C2 Li1 N3 33.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.580      
2 C 0.007      
3 N -0.587      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  7.676 -2.827 0.000 8.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -2.131 -3.972 0.000
y -3.972 -14.466 0.000
z 0.000 0.000 -14.753
Traceless
 xyz
x 12.478 -3.972 0.000
y -3.972 -6.024 0.000
z 0.000 0.000 -6.454
Polar
3z2-r2-12.908
x2-y212.335
xy-3.972
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.341 0.000 0.000
y 0.000 2.341 0.000
z 0.000 0.000 4.804


<r2> (average value of r2) Å2
<r2> 26.289
(<r2>)1/2 5.127

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at PBEPBE/6-31G
 hartrees
Energy at 0K-100.204991
Energy at 298.15K-100.203971
HF Energy-100.204991
Nuclear repulsion energy27.873433
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 PBEPBE/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 2026 1998 136.68      
2 Σ 732 722 123.29      
3 Π 131 129 41.59      
3 Π 131 129 41.59      

Unscaled Zero Point Vibrational Energy (zpe) 1509.9 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 1489.1 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 PBEPBE/6-31G
B
0.42690

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.896
C2 0.000 0.000 -1.087
N3 0.000 0.000 0.119

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.98311.7769
C22.98311.2062
N31.77691.2062

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 PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.598      
2 C -0.056      
3 N -0.542      


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 8.410 8.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.276 0.000 0.000
y 0.000 -14.276 0.000
z 0.000 0.000 -2.231
Traceless
 xyz
x -6.023 0.000 0.000
y 0.000 -6.023 0.000
z 0.000 0.000 12.045
Polar
3z2-r224.091
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 2.245 0.000 0.000
y 0.000 2.245 0.000
z 0.000 0.000 5.054


<r2> (average value of r2) Å2
<r2> 24.383
(<r2>)1/2 4.938