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

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-100.272644
Energy at 298.15K-100.271721
HF Energy-100.272644
Nuclear repulsion energy27.785140
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 PBE1PBE/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 2258 2170 10.32      
2 Σ 638 613 122.20      
3 Π 173 166 36.70      
3 Π 173 166 36.70      

Unscaled Zero Point Vibrational Energy (zpe) 1620.6 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 1557.4 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 PBE1PBE/cc-pVTZ
B
0.38228

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.057
C2 0.000 0.000 -0.150
N3 0.000 0.000 1.010

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.90703.0666
C21.90701.1596
N33.06661.1596

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 PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.392      
2 C -0.253      
3 N -0.140      


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 -8.996 8.996
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.208 0.000 0.000
y 0.000 -14.208 0.000
z 0.000 0.000 1.126
Traceless
 xyz
x -7.667 0.000 0.000
y 0.000 -7.667 0.000
z 0.000 0.000 15.334
Polar
3z2-r230.668
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 2.696 0.000 0.000
y 0.000 2.696 0.000
z 0.000 0.000 4.266


<r2> (average value of r2) Å2
<r2> 25.645
(<r2>)1/2 5.064

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-100.276658
Energy at 298.15K-100.275911
HF Energy-100.276658
Nuclear repulsion energy29.475022
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 PBE1PBE/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' 2136 2052 38.59      
2 A' 667 641 148.17      
3 A' 174 167 33.25      

Unscaled Zero Point Vibrational Energy (zpe) 1488.5 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 1430.4 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 PBE1PBE/cc-pVTZ
ABC
2.09981 0.81929 0.58934

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.411 -0.603 0.000
C2 -0.706 -0.365 0.000
N3 0.000 0.572 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.13041.8363
C22.13041.1727
N31.83631.1727

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 59.423 Li1 N3 C2 87.222
C2 Li1 N3 33.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.288      
2 C -0.140      
3 N -0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.419 -2.425 0.000 6.862
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.184 -5.909 0.000
y -5.909 -14.993 0.000
z 0.000 0.000 -14.363
Traceless
 xyz
x 8.494 -5.909 0.000
y -5.909 -4.719 0.000
z 0.000 0.000 -3.774
Polar
3z2-r2-7.549
x2-y28.809
xy-5.909
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.568 0.370 -0.000
y 0.370 3.515 0.000
z -0.000 0.000 2.894


<r2> (average value of r2) Å2
<r2> 20.541
(<r2>)1/2 4.532

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-100.277195
Energy at 298.15K-100.276092
HF Energy-100.277195
Nuclear repulsion energy28.536503
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 PBE1PBE/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 2168 2083 170.08      
2 Σ 727 699 155.48      
3 Π 106 101 25.24      
3 Π 106 101 25.24      

Unscaled Zero Point Vibrational Energy (zpe) 1552.9 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 1492.3 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 PBE1PBE/cc-pVTZ
B
0.44262

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.868
C2 0.000 0.000 -1.062
N3 0.000 0.000 0.110

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.93041.7586
C22.93041.1718
N31.75861.1718

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
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