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: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-100.372068
Energy at 298.15K-100.371111
HF Energy-100.372068
Nuclear repulsion energy27.446589
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 TPSSh/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 2222 2130 12.28      
2 Σ 634 608 111.69      
3 Π 165 158 44.20      
3 Π 165 158 44.20      

Unscaled Zero Point Vibrational Energy (zpe) 1592.6 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 1526.8 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 TPSSh/6-31G**
B
0.37361

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.080
C2 0.000 0.000 -0.153
N3 0.000 0.000 1.022

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92733.1019
C21.92731.1746
N33.10191.1746

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 TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.484      
2 C -0.045      
3 N -0.440      


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 -8.797 8.797
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.374 0.000 0.000
y 0.000 2.374 0.000
z 0.000 0.000 4.541


<r2> (average value of r2) Å2
<r2> 25.967
(<r2>)1/2 5.096

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at TPSSh/6-31G**
 hartrees
Energy at 0K-100.376851
Energy at 298.15K-100.376126
HF Energy-100.376851
Nuclear repulsion energy29.080198
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 TPSSh/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' 2091 2004 34.63      
2 A' 667 640 127.64      
3 A' 192 184 23.89      

Unscaled Zero Point Vibrational Energy (zpe) 1474.9 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 1414.0 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 TPSSh/6-31G**
ABC
2.03199 0.79997 0.57399

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.438 -0.591 0.000
C2 -0.719 -0.373 0.000
N3 0.000 0.573 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.16741.8494
C22.16741.1875
N31.84941.1875

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 58.529 Li1 N3 C2 88.265
C2 Li1 N3 33.206
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.408      
2 C 0.050      
3 N -0.459      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.333 -2.571 0.000 6.834
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.321 0.350 0.000
y 0.350 3.307 0.000
z 0.000 0.000 2.603


<r2> (average value of r2) Å2
<r2> 20.878
(<r2>)1/2 4.569

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at TPSSh/6-31G**
 hartrees
Energy at 0K-100.373604
Energy at 298.15K 
HF Energy-100.373604
Nuclear repulsion energy28.139936
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 TPSSh/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 2129 2041 157.38      
2 Σ 722 692 138.33      
3 Π 24i 23i 33.67      
3 Π 24i 23i 33.67      

Unscaled Zero Point Vibrational Energy (zpe) 1401.8 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 1343.9 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 TPSSh/6-31G**
B
0.42991

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/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 -1.077
N3 0.000 0.000 0.111

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.97351.7859
C22.97351.1876
N31.78591.1876

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 TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.582      
2 C -0.081      
3 N -0.500      


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 8.561 8.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.302 0.000 0.000
y 0.000 2.302 0.000
z 0.000 0.000 4.626


<r2> (average value of r2) Å2
<r2> 24.030
(<r2>)1/2 4.902