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/aug-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 no CS 1A'
1 3 yes C*V LiNC 1Σ

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-100.414150
Energy at 298.15K-100.413235
HF Energy-100.414150
Nuclear repulsion energy27.682569
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/aug-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 2205 2128 9.78      
2 Σ 633 611 125.02      
3 Π 176 170 34.87      
3 Π 176 170 34.89      

Unscaled Zero Point Vibrational Energy (zpe) 1595.0 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 1539.5 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/aug-cc-pVTZ
B
0.38003

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.062
C2 0.000 0.000 -0.151
N3 0.000 0.000 1.013

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91103.0756
C21.91101.1645
N33.07561.1645

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/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.205      
2 C 0.213      
3 N -0.418      


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 -9.134 9.134
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 3.206 0.000 0.001
y 0.000 3.206 -0.000
z 0.001 -0.000 4.768


<r2> (average value of r2) Å2
<r2> 25.845
(<r2>)1/2 5.084

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-100.415968
Energy at 298.15K-100.415196
HF Energy-100.415968
Nuclear repulsion energy29.370469
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/aug-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' 2087 2014 36.44      
2 A' 657 634 148.05      
3 A' 161 156 34.51      

Unscaled Zero Point Vibrational Energy (zpe) 1452.4 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 1401.9 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/aug-cc-pVTZ
ABC
2.09306 0.81269 0.58539

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.435 -0.581 0.000
C2 -0.718 -0.368 0.000
N3 0.000 0.565 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.16321.8364
C22.16321.1769
N31.83641.1769

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 58.079 Li1 N3 C2 88.967
C2 Li1 N3 32.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.519      
2 C -0.480      
3 N -0.039      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.489 -2.432 0.000 6.930
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 3.921 0.327 -0.000
y 0.327 3.858 0.002
z -0.000 0.002 3.198


<r2> (average value of r2) Å2
<r2> 20.654
(<r2>)1/2 4.545

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-100.417688
Energy at 298.15K-100.416634
HF Energy-100.417688
Nuclear repulsion energy28.448324
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/aug-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 2122 2049 165.70      
2 Σ 719 694 157.35      
3 Π 121 116 26.01      
3 Π 121 116 26.01      

Unscaled Zero Point Vibrational Energy (zpe) 1541.1 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 1487.5 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/aug-cc-pVTZ
B
0.44034

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.873
C2 0.000 0.000 -1.065
N3 0.000 0.000 0.111

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.93791.7619
C22.93791.1760
N31.76191.1760

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/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.272      
2 C -0.225      
3 N -0.047      


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 8.901 8.901
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 3.267 0.000 0.000
y 0.000 3.267 -0.000
z 0.000 -0.000 4.859


<r2> (average value of r2) Å2
<r2> 23.935
(<r2>)1/2 4.892