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: B3PW91/6-311G**

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 B3PW91/6-311G**
 hartrees
Energy at 0K-100.351457
Energy at 298.15K-100.350516
HF Energy-100.351457
Nuclear repulsion energy27.711080
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 B3PW91/6-311G**
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 2242 2160 11.69      
2 Σ 634 611 120.91      
3 Π 168 162 43.01      
3 Π 168 162 43.01      

Unscaled Zero Point Vibrational Energy (zpe) 1605.9 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 1546.7 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 B3PW91/6-311G**
B
0.38055

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.061
C2 0.000 0.000 -0.151
N3 0.000 0.000 1.012

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91053.0735
C21.91051.1630
N33.07351.1630

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 B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.597      
2 C -0.285      
3 N -0.312      


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 -8.949 8.949
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.163 0.000 0.000
y 0.000 -14.163 0.000
z 0.000 0.000 1.203
Traceless
 xyz
x -7.683 0.000 0.000
y 0.000 -7.683 0.000
z 0.000 0.000 15.366
Polar
3z2-r230.732
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 2.310 0.000 0.000
y 0.000 2.310 0.000
z 0.000 0.000 4.209


<r2> (average value of r2) Å2
<r2> 25.702
(<r2>)1/2 5.070

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-100.355187
Energy at 298.15K-100.354430
HF Energy-100.355187
Nuclear repulsion energy29.364295
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 B3PW91/6-311G**
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' 664 639 148.94      
2 A' 170 163 31.18      
3 A' 2120 2042 38.33      

Unscaled Zero Point Vibrational Energy (zpe) 1477.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 1422.5 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 B3PW91/6-311G**
ABC
2.10646 0.80703 0.58349

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.436 -0.583 0.000
C2 -0.718 -0.367 0.000
N3 0.000 0.564 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.16471.8381
C22.16471.1761
N31.83811.1761

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 58.100 Li1 N3 C2 88.996
C2 Li1 N3 32.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.499      
2 C -0.121      
3 N -0.378      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.491 -2.451 0.000 6.938
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.038 -5.896 0.000
y -5.896 -15.057 0.000
z 0.000 0.000 -14.361
Traceless
 xyz
x 8.671 -5.896 0.000
y -5.896 -4.858 0.000
z 0.000 0.000 -3.814
Polar
3z2-r2-7.627
x2-y29.019
xy-5.896
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.364 0.355 0.000
y 0.355 3.284 0.000
z 0.000 0.000 2.601


<r2> (average value of r2) Å2
<r2> 20.653
(<r2>)1/2 4.545

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-100.355886
Energy at 298.15K-100.354801
HF Energy-100.355886
Nuclear repulsion energy28.426985
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 B3PW91/6-311G**
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 2152 2073 172.18      
2 Σ 720 694 157.13      
3 Π 112 108 29.95      
3 Π 112 108 29.95      

Unscaled Zero Point Vibrational Energy (zpe) 1548.2 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 1491.1 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 B3PW91/6-311G**
B
0.43884

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.877
C2 0.000 0.000 -1.066
N3 0.000 0.000 0.110

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.94311.7673
C22.94311.1758
N31.76731.1758

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 B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.600      
2 C -0.136      
3 N -0.463      


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 8.778 8.778
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.139 0.000 0.000
y 0.000 -14.139 0.000
z 0.000 0.000 -2.362
Traceless
 xyz
x -5.888 0.000 0.000
y 0.000 -5.888 0.000
z 0.000 0.000 11.777
Polar
3z2-r223.554
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 2.338 0.000 0.000
y 0.000 2.338 0.000
z 0.000 0.000 4.394


<r2> (average value of r2) Å2
<r2> 23.852
(<r2>)1/2 4.884