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: LSDA/cc-pCVTZ

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 LSDA/cc-pCVTZ
 hartrees
Energy at 0K-99.789906
Energy at 298.15K-99.788974
HF Energy-99.789906
Nuclear repulsion energy27.811665
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 LSDA/cc-pCVTZ
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 2206 2206 15.73      
2 Σ 642 642 115.04      
3 Π 168 168 36.50      
3 Π 168 168 36.50      

Unscaled Zero Point Vibrational Energy (zpe) 1592.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1592.6 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 LSDA/cc-pCVTZ
B
0.38591

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.044
C2 0.000 0.000 -0.154
N3 0.000 0.000 1.008

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.88983.0516
C21.88981.1618
N33.05161.1618

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 LSDA/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.392      
2 C -0.205      
3 N -0.187      


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 -8.807 8.807
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.319 0.000 0.000
y 0.000 -14.319 0.000
z 0.000 0.000 0.602
Traceless
 xyz
x -7.461 0.000 0.000
y 0.000 -7.461 0.000
z 0.000 0.000 14.921
Polar
3z2-r229.843
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 2.820 0.000 0.000
y 0.000 2.820 0.000
z 0.000 0.000 4.433


<r2> (average value of r2) Å2
<r2> 25.620
(<r2>)1/2 5.062

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at LSDA/cc-pCVTZ
 hartrees
Energy at 0K-99.793959
Energy at 298.15K-99.793269
HF Energy-99.793959
Nuclear repulsion energy29.629395
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 LSDA/cc-pCVTZ
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' 2095 2095 25.43      
2 A' 667 667 148.63      
3 A' 211 211 31.82      

Unscaled Zero Point Vibrational Energy (zpe) 1486.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1486.7 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 LSDA/cc-pCVTZ
ABC
2.02003 0.86471 0.60551

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.365 -0.632 0.000
C2 -0.683 -0.368 0.000
N3 0.000 0.586 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.06471.8301
C22.06471.1732
N31.83011.1732

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 61.787 Li1 N3 C2 83.817
C2 Li1 N3 34.396
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.247      
2 C -0.094      
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
  6.078 -2.411 0.000 6.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.790 -5.869 0.000
y -5.869 -15.099 0.000
z 0.000 0.000 -14.483
Traceless
 xyz
x 8.001 -5.869 0.000
y -5.869 -4.463 0.000
z 0.000 0.000 -3.538
Polar
3z2-r2-7.076
x2-y28.309
xy-5.869
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.755 0.286 0.000
y 0.286 3.693 0.000
z 0.000 0.000 3.048


<r2> (average value of r2) Å2
<r2> 20.378
(<r2>)1/2 4.514

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at LSDA/cc-pCVTZ
 hartrees
Energy at 0K-99.793585
Energy at 298.15K-99.792493
HF Energy-99.793585
Nuclear repulsion energy28.581008
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 LSDA/cc-pCVTZ
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 2126 2126 145.82      
2 Σ 731 731 145.57      
3 Π 108 108 23.39      
3 Π 108 108 23.39      

Unscaled Zero Point Vibrational Energy (zpe) 1536.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1536.1 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 LSDA/cc-pCVTZ
B
0.44633

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.858
C2 0.000 0.000 -1.060
N3 0.000 0.000 0.113

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.91791.7449
C22.91791.1730
N31.74491.1730

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 LSDA/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.336      
2 C -0.223      
3 N -0.112      


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 8.725 8.725
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.392 0.000 0.000
y 0.000 -14.392 0.000
z 0.000 0.000 -2.972
Traceless
 xyz
x -5.710 0.000 0.000
y 0.000 -5.710 0.000
z 0.000 0.000 11.420
Polar
3z2-r222.840
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 2.935 0.000 0.000
y 0.000 2.935 0.000
z 0.000 0.000 4.621


<r2> (average value of r2) Å2
<r2> 23.797
(<r2>)1/2 4.878