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

using model chemistry: PBEPBE/cc-pCVTZ

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-pCVTZ
 hartrees
Energy at 0K-100.274410
Energy at 298.15K-100.273465
HF Energy-100.274410
Nuclear repulsion energy27.573969
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-pCVTZ
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 2155 2155 17.07      
2 Σ 628 628 112.51      
3 Π 167 167 37.10      
3 Π 167 167 37.13      

Unscaled Zero Point Vibrational Energy (zpe) 1558.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1558.0 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 PBEPBE/cc-pCVTZ
B
0.37889

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

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
Li11.90853.0798
C21.90851.1713
N33.07981.1713

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-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.414      
2 C -0.211      
3 N -0.203      


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 -8.811 8.811
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.371 0.000 0.000
y 0.000 -14.371 0.000
z 0.000 0.000 0.872
Traceless
 xyz
x -7.622 0.000 0.000
y 0.000 -7.622 0.000
z 0.000 0.000 15.243
Polar
3z2-r230.486
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 2.918 0.000 0.000
y 0.000 2.920 0.001
z 0.000 0.001 4.678


<r2> (average value of r2) Å2
<r2> 25.951
(<r2>)1/2 5.094

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at PBEPBE/cc-pCVTZ
 hartrees
Energy at 0K-100.277549
Energy at 298.15K-100.276831
HF Energy-100.277549
Nuclear repulsion energy29.308000
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-pCVTZ
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' 2039 2039 25.89      
2 A' 645 645 145.25      
3 A' 199 199 29.26      

Unscaled Zero Point Vibrational Energy (zpe) 1441.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1441.8 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 PBEPBE/cc-pCVTZ
ABC
1.98028 0.84050 0.59006

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.382 -0.649 0.000
C2 -0.691 -0.368 0.000
N3 0.000 0.593 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.09251.8582
C22.09251.1837
N31.85821.1837

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 61.987 Li1 N3 C2 83.792
C2 Li1 N3 34.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.258      
2 C -0.088      
3 N -0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.159 -2.488 0.000 6.642
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.665 -6.042 0.000
y -6.042 -15.050 0.000
z 0.000 0.000 -14.556
Traceless
 xyz
x 8.138 -6.042 0.000
y -6.042 -4.440 0.000
z 0.000 0.000 -3.698
Polar
3z2-r2-7.396
x2-y28.385
xy-6.042
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.914 0.307 0.000
y 0.307 3.817 0.000
z 0.000 0.000 3.144


<r2> (average value of r2) Å2
<r2> 20.688
(<r2>)1/2 4.548

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at PBEPBE/cc-pCVTZ
 hartrees
Energy at 0K-100.277386
Energy at 298.15K-100.276275
HF Energy-100.277386
Nuclear repulsion energy28.319161
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-pCVTZ
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 2074 2074 147.03      
2 Σ 711 711 141.86      
3 Π 105 105 23.72      
3 Π 105 105 23.72      

Unscaled Zero Point Vibrational Energy (zpe) 1497.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1497.2 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-pCVTZ
B
0.43745

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

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 -1.070
N3 0.000 0.000 0.113

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.94751.7646
C22.94751.1828
N31.76461.1828

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-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.342      
2 C -0.219      
3 N -0.123      


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 8.755 8.755
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.446 0.000 0.000
y 0.000 -14.446 0.000
z 0.000 0.000 -2.709
Traceless
 xyz
x -5.868 0.000 0.000
y 0.000 -5.868 0.000
z 0.000 0.000 11.737
Polar
3z2-r223.474
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 3.026 0.000 0.000
y 0.000 3.026 0.000
z 0.000 0.000 4.888


<r2> (average value of r2) Å2
<r2> 24.112
(<r2>)1/2 4.910