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

using model chemistry: PBE1PBE/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-100.274905
Energy at 298.15K-100.273988
HF Energy-100.274905
Nuclear repulsion energy27.778760
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/aug-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 2253 2166 7.82      
2 Σ 637 612 127.99      
3 Π 175 168 34.14      
3 Π 175 168 34.14      

Unscaled Zero Point Vibrational Energy (zpe) 1619.3 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 1556.9 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/aug-cc-pVTZ
B
0.38189

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.058
C2 0.000 0.000 -0.149
N3 0.000 0.000 1.010

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.90863.0683
C21.90861.1596
N33.06831.1596

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/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.175      
2 C 0.206      
3 N -0.380      


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 -9.165 9.165
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.312 0.000 0.000
y 0.000 -14.312 0.000
z 0.000 0.000 0.939
Traceless
 xyz
x -7.625 0.000 0.000
y 0.000 -7.625 0.000
z 0.000 0.000 15.251
Polar
3z2-r230.501
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 3.143 0.000 0.000
y 0.000 3.143 0.000
z 0.000 0.000 4.624


<r2> (average value of r2) Å2
<r2> 25.748
(<r2>)1/2 5.074

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-100.278024
Energy at 298.15K-100.277275
HF Energy-100.278024
Nuclear repulsion energy29.482567
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/aug-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' 2134 2052 38.43      
2 A' 664 638 151.54      
3 A' 173 167 34.49      

Unscaled Zero Point Vibrational Energy (zpe) 1485.7 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 1428.5 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 PBE1PBE/aug-cc-pVTZ
ABC
2.09948 0.81976 0.58956

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.411 -0.605 0.000
C2 -0.705 -0.365 0.000
N3 0.000 0.572 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.12951.8367
C22.12951.1723
N31.83671.1723

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 59.478 Li1 N3 C2 87.167
C2 Li1 N3 33.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.491      
2 C -0.437      
3 N -0.053      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.467 -2.472 0.000 6.923
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.278 -5.862 0.000
y -5.862 -15.056 0.000
z 0.000 0.000 -14.333
Traceless
 xyz
x 8.417 -5.862 0.000
y -5.862 -4.750 0.000
z 0.000 0.000 -3.666
Polar
3z2-r2-7.332
x2-y28.778
xy-5.862
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.803 0.314 -0.000
y 0.314 3.769 -0.000
z -0.000 -0.000 3.141


<r2> (average value of r2) Å2
<r2> 20.562
(<r2>)1/2 4.535

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-100.279099
Energy at 298.15K-100.278034
HF Energy-100.279099
Nuclear repulsion energy28.546539
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/aug-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 2167 2083 173.38      
2 Σ 724 697 162.52      
3 Π 117 113 26.11      
3 Π 117 113 26.11      

Unscaled Zero Point Vibrational Energy (zpe) 1562.6 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 1502.4 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/aug-cc-pVTZ
B
0.44281

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-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 0.109

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.92981.7586
C22.92981.1712
N31.75861.1712

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 PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.281      
2 C -0.180      
3 N -0.101      


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 8.898 8.898
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.327 0.000 0.000
y 0.000 -14.327 0.000
z 0.000 0.000 -2.675
Traceless
 xyz
x -5.826 0.000 0.000
y 0.000 -5.826 0.000
z 0.000 0.000 11.652
Polar
3z2-r223.305
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 3.206 0.000 0.000
y 0.000 3.206 0.000
z 0.000 0.000 4.695


<r2> (average value of r2) Å2
<r2> 23.839
(<r2>)1/2 4.883