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All results from a given calculation for LiCN (lithium cyanide)

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-15.381950
Energy at 298.15K-15.380928
HF Energy-15.381950
Nuclear repulsion energy10.985573
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 HF/CEP-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 2424 2176 0.05      
2 Σ 585 525 132.17      
3 Π 155 139 44.01      
3 Π 155 139 44.01      

Unscaled Zero Point Vibrational Energy (zpe) 1659.0 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 1489.8 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 HF/CEP-31G*
B
0.36245

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.123
C2 0.000 0.000 -0.138
N3 0.000 0.000 1.028

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.98553.1511
C21.98551.1656
N33.15111.1656

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 HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.387      
2 C -0.530      
3 N 0.143      


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 -9.781 9.781
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.145 0.000 0.000
y 0.000 -14.145 0.000
z 0.000 0.000 3.019
Traceless
 xyz
x -8.582 0.000 0.000
y 0.000 -8.582 0.000
z 0.000 0.000 17.163
Polar
3z2-r234.327
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 2.163 0.000 0.000
y 0.000 2.163 0.000
z 0.000 0.000 4.091


<r2> (average value of r2) Å2
<r2> 15.128
(<r2>)1/2 3.889

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at HF/CEP-31G*
 hartrees
Energy at 0K-15.391770
Energy at 298.15K-15.390930
HF Energy-15.391770
Nuclear repulsion energy11.198958
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 HF/CEP-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' 706 634 153.17      
2 A' 111 100 37.43      
3 A' 2308 2073 198.41      

Unscaled Zero Point Vibrational Energy (zpe) 1562.3 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 1403.0 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 HF/CEP-31G*
ABC
8.84474 0.47962 0.45495

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.811 0.277 0.000
C2 -0.906 -0.469 0.000
N3 0.000 0.284 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.81721.8110
C22.81721.1777
N31.81101.1777

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 24.384 Li1 N3 C2 140.043
C2 Li1 N3 15.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.429      
2 C -0.397      
3 N -0.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  8.645 1.108 0.000 8.716
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -1.096 0.270 0.000
y 0.270 -15.313 0.000
z 0.000 0.000 -14.057
Traceless
 xyz
x 13.589 0.270 0.000
y 0.270 -7.736 0.000
z 0.000 0.000 -5.852
Polar
3z2-r2-11.705
x2-y214.217
xy0.270
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.591 0.701 0.000
y 0.701 2.804 0.000
z 0.000 0.000 2.242


<r2> (average value of r2) Å2
<r2> 14.263
(<r2>)1/2 3.777

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at HF/CEP-31G*
 hartrees
Energy at 0K-15.391070
Energy at 298.15K 
HF Energy-15.391070
Nuclear repulsion energy11.142562
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 HF/CEP-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 2310 2075 250.03      
2 Σ 664 596 164.10      
3 Π 109i 98i 43.26      
3 Π 109i 98i 43.26      

Unscaled Zero Point Vibrational Energy (zpe) 1378.3 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 1237.7 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 HF/CEP-31G*
B
0.42499

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.915
C2 0.000 0.000 -1.077
N3 0.000 0.000 0.102

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.99141.8122
C22.99141.1792
N31.81221.1792

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 HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.474      
2 C -0.364      
3 N -0.110      


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 9.119 9.119
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.959 0.000 0.000
y 0.000 -13.959 0.000
z 0.000 0.000 -0.917
Traceless
 xyz
x -6.521 0.000 0.000
y 0.000 -6.521 0.000
z 0.000 0.000 13.042
Polar
3z2-r226.083
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 2.160 0.000 0.000
y 0.000 2.160 0.000
z 0.000 0.000 4.161


<r2> (average value of r2) Å2
<r2> 14.360
(<r2>)1/2 3.789