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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-100.272810
Energy at 298.15K-100.271868
HF Energy-100.272810
Nuclear repulsion energy27.551945
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 PBEPBEultrafine/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 2151 2127 12.54      
2 Σ 626 619 120.62      
3 Π 169 167 35.02      
3 Π 169 167 35.02      

Unscaled Zero Point Vibrational Energy (zpe) 1557.1 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 1539.7 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 PBEPBEultrafine/aug-cc-pVTZ
B
0.37810

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.066
C2 0.000 0.000 -0.154
N3 0.000 0.000 1.018

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91113.0831
C21.91111.1720
N33.08311.1720

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 PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.089      
2 C 0.299      
3 N -0.388      


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 -9.029 9.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.510 0.000 0.000
y 0.000 -14.510 0.000
z 0.000 0.000 0.705
Traceless
 xyz
x -7.607 0.000 0.000
y 0.000 -7.607 0.000
z 0.000 0.000 15.215
Polar
3z2-r230.429
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 3.391 0.000 0.000
y 0.000 3.391 0.000
z 0.000 0.000 5.105


<r2> (average value of r2) Å2
<r2> 26.086
(<r2>)1/2 5.107

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-100.274831
Energy at 298.15K-100.274107
HF Energy-100.274831
Nuclear repulsion energy29.297677
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 PBEPBEultrafine/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' 2041 2018 27.03      
2 A' 644 637 151.85      
3 A' 197 195 31.09      

Unscaled Zero Point Vibrational Energy (zpe) 1440.9 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 1424.8 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
1.98361 0.83823 0.58923

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.430 -0.588 0.000
C2 -0.715 -0.372 0.000
N3 0.000 0.570 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.15601.8402
C22.15601.1828
N31.84021.1828

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 58.551 Li1 N3 C2 88.195
C2 Li1 N3 33.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.435      
2 C -0.371      
3 N -0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.248 -2.538 0.000 6.744
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.760 -6.001 0.000
y -6.001 -15.166 0.000
z 0.000 0.000 -14.525
Traceless
 xyz
x 8.086 -6.001 0.000
y -6.001 -4.523 0.000
z 0.000 0.000 -3.562
Polar
3z2-r2-7.125
x2-y28.406
xy-6.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.212 0.254 0.000
y 0.254 4.101 0.000
z 0.000 0.000 3.384


<r2> (average value of r2) Å2
<r2> 20.743
(<r2>)1/2 4.554

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-100.275340
Energy at 298.15K-100.274254
HF Energy-100.275340
Nuclear repulsion energy28.308865
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 PBEPBEultrafine/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 2075 2052 154.12      
2 Σ 707 699 151.95      
3 Π 113 112 24.95      
3 Π 113 112 24.95      

Unscaled Zero Point Vibrational Energy (zpe) 1504.1 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 1487.3 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 PBEPBEultrafine/aug-cc-pVTZ
B
0.43679

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-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 0.112

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.94971.7669
C22.94971.1828
N31.76691.1828

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 PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.205      
2 C -0.116      
3 N -0.089      


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 8.899 8.899
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.545 0.000 0.000
y 0.000 -14.545 0.000
z 0.000 0.000 -2.888
Traceless
 xyz
x -5.829 0.000 0.000
y 0.000 -5.829 0.000
z 0.000 0.000 11.657
Polar
3z2-r223.314
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 3.475 0.000 0.000
y 0.000 3.475 0.000
z 0.000 0.000 5.241


<r2> (average value of r2) Å2
<r2> 24.216
(<r2>)1/2 4.921