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

using model chemistry: PBEPBE/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 yes CS 1A'
1 3 no C*V LiNC 1Σ

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-100.270050
Energy at 298.15K-100.269099
HF Energy-100.270050
Nuclear repulsion energy27.562679
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 PBEPBE/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 2157 2142 15.98      
2 Σ 628 624 113.51      
3 Π 165 164 37.63      
3 Π 165 164 37.65      

Unscaled Zero Point Vibrational Energy (zpe) 1558.0 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 1547.2 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 PBEPBE/cc-pVTZ
B
0.37872

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.063
C2 0.000 0.000 -0.155
N3 0.000 0.000 1.017

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.90853.0805
C21.90851.1720
N33.08051.1720

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 PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.341      
2 C -0.210      
3 N -0.131      


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 -8.806 8.806
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.393 0.000 0.000
y 0.000 -14.393 0.000
z 0.000 0.000 0.906
Traceless
 xyz
x -7.650 0.000 0.000
y 0.000 -7.650 0.000
z 0.000 0.000 15.300
Polar
3z2-r230.599
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 2.925 0.000 0.000
y 0.000 2.924 0.000
z 0.000 0.000 4.657


<r2> (average value of r2) Å2
<r2> 25.962
(<r2>)1/2 5.095

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-100.273228
Energy at 298.15K-100.272498
HF Energy-100.273228
Nuclear repulsion energy29.286777
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 PBEPBE/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' 2042 2028 27.44      
2 A' 647 642 146.45      
3 A' 192 191 29.90      

Unscaled Zero Point Vibrational Energy (zpe) 1440.3 cm-1
Scaled (by 0.9931) 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 PBEPBE/cc-pVTZ
ABC
1.98870 0.83597 0.58856

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.430 -0.587 0.000
C2 -0.715 -0.372 0.000
N3 0.000 0.571 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.15651.8402
C22.15651.1832
N31.84021.1832

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 58.531 Li1 N3 C2 88.212
C2 Li1 N3 33.257
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.226      
2 C -0.107      
3 N -0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.197 -2.464 0.000 6.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.628 -6.040 0.000
y -6.040 -15.091 0.000
z 0.000 0.000 -14.571
Traceless
 xyz
x 8.203 -6.040 0.000
y -6.040 -4.492 0.000
z 0.000 0.000 -3.711
Polar
3z2-r2-7.422
x2-y28.463
xy-6.040
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.933 0.316 0.001
y 0.316 3.805 -0.000
z 0.001 -0.000 3.141


<r2> (average value of r2) Å2
<r2> 20.724
(<r2>)1/2 4.552

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-100.273097
Energy at 298.15K-100.271977
HF Energy-100.273097
Nuclear repulsion energy28.300401
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 PBEPBE/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 2076 2062 149.82      
2 Σ 711 707 142.93      
3 Π 103 102 23.91      
3 Π 103 102 23.91      

Unscaled Zero Point Vibrational Energy (zpe) 1496.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 1486.3 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 PBEPBE/cc-pVTZ
B
0.43670

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.879
C2 0.000 0.000 -1.071
N3 0.000 0.000 0.113

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.95001.7666
C22.95001.1834
N31.76661.1834

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 PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.303      
2 C -0.286      
3 N -0.017      


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 8.774 8.774
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.456 0.000 0.000
y 0.000 -14.456 0.000
z 0.000 0.000 -2.710
Traceless
 xyz
x -5.873 0.000 0.000
y 0.000 -5.873 0.000
z 0.000 0.000 11.746
Polar
3z2-r223.492
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 3.014 0.000 0.000
y 0.000 3.014 0.000
z 0.000 0.000 4.886


<r2> (average value of r2) Å2
<r2> 24.146
(<r2>)1/2 4.914