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: B3LYPultrafine/aug-cc-pVDZ

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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-100.393920
Energy at 298.15K-100.392985
HF Energy-100.393920
Nuclear repulsion energy27.510295
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 B3LYPultrafine/aug-cc-pVDZ
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 2218 2152 8.26      
2 Σ 622 603 128.25      
3 Π 171 166 33.37      
3 Π 171 166 33.37      

Unscaled Zero Point Vibrational Energy (zpe) 1591.0 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 1543.9 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 B3LYPultrafine/aug-cc-pVDZ
B
0.37511

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.076
C2 0.000 0.000 -0.152
N3 0.000 0.000 1.020

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92413.0957
C21.92411.1716
N33.09571.1716

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 B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.128      
2 C 0.269      
3 N -0.397      


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 -9.268 9.268
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.562 0.000 0.000
y 0.000 -14.562 0.000
z 0.000 0.000 0.978
Traceless
 xyz
x -7.770 0.000 0.000
y 0.000 -7.770 0.000
z 0.000 0.000 15.539
Polar
3z2-r231.078
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 3.161 0.000 0.000
y 0.000 3.161 0.000
z 0.000 0.000 4.882


<r2> (average value of r2) Å2
<r2> 26.207
(<r2>)1/2 5.119

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-100.396602
Energy at 298.15K-100.395725
HF Energy-100.396602
Nuclear repulsion energy29.030430
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 B3LYPultrafine/aug-cc-pVDZ
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' 2098 2036 48.80      
2 A' 674 654 142.67      
3 A' 95 92 38.96      

Unscaled Zero Point Vibrational Energy (zpe) 1433.1 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 1390.7 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 B3LYPultrafine/aug-cc-pVDZ
ABC
2.30380 0.73725 0.55851

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.446 -0.580 0.000
C2 -0.723 -0.371 0.000
N3 0.000 0.566 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.17841.8452
C22.17841.1834
N31.84521.1834

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 57.882 Li1 N3 C2 89.216
C2 Li1 N3 32.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.433      
2 C -0.169      
3 N -0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.926 -2.144 0.000 7.250
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.479 -5.660 0.000
y -5.660 -15.566 0.000
z 0.000 0.000 -14.700
Traceless
 xyz
x 9.654 -5.660 0.000
y -5.660 -5.476 0.000
z 0.000 0.000 -4.178
Polar
3z2-r2-8.355
x2-y210.087
xy-5.660
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.061 0.399 0.000
y 0.399 3.835 0.000
z 0.000 0.000 3.269


<r2> (average value of r2) Å2
<r2> 21.291
(<r2>)1/2 4.614

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-100.399092
Energy at 298.15K-100.398029
HF Energy-100.399092
Nuclear repulsion energy28.254135
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 B3LYPultrafine/aug-cc-pVDZ
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 2137 2074 173.49      
2 Σ 710 689 163.12      
3 Π 119 116 26.58      
3 Π 119 116 26.58      

Unscaled Zero Point Vibrational Energy (zpe) 1543.1 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 1497.4 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 B3LYPultrafine/aug-cc-pVDZ
B
0.43326

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.889
C2 0.000 0.000 -1.073
N3 0.000 0.000 0.110

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.96201.7794
C22.96201.1826
N31.77941.1826

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 B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.360      
2 C -0.469      
3 N 0.109      


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 8.961 8.961
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.576 0.000 0.000
y 0.000 -14.576 0.000
z 0.000 0.000 -2.487
Traceless
 xyz
x -6.044 0.000 0.000
y 0.000 -6.044 0.000
z 0.000 0.000 12.089
Polar
3z2-r224.177
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 3.222 0.000 0.000
y 0.000 3.222 0.000
z 0.000 0.000 4.959


<r2> (average value of r2) Å2
<r2> 24.284
(<r2>)1/2 4.928