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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-100.249315
Energy at 298.15K-100.248356
HF Energy-100.249315
Nuclear repulsion energy27.285122
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-pVDZ
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 2139 2126 11.68      
2 Σ 611 607 119.56      
3 Π 166 165 35.16      
3 Π 166 165 35.16      

Unscaled Zero Point Vibrational Energy (zpe) 1540.9 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1531.5 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 PBEPBEultrafine/aug-cc-pVDZ
B
0.37056

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.087
C2 0.000 0.000 -0.156
N3 0.000 0.000 1.028

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.93123.1144
C21.93121.1832
N33.11441.1832

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-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.135      
2 C 0.295      
3 N -0.430      


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 -9.142 9.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.653 0.000 0.000
y 0.000 -14.653 0.000
z 0.000 0.000 1.005
Traceless
 xyz
x -7.829 0.000 0.000
y 0.000 -7.829 0.000
z 0.000 0.000 15.659
Polar
3z2-r231.317
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 3.360 0.000 0.000
y 0.000 3.360 0.000
z 0.000 0.000 5.279


<r2> (average value of r2) Å2
<r2> 26.493
(<r2>)1/2 5.147

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-100.251011
Energy at 298.15K-100.250249
HF Energy-100.251011
Nuclear repulsion energy28.949634
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-pVDZ
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' 2025 2012 28.71      
2 A' 635 631 148.28      
3 A' 175 174 31.93      

Unscaled Zero Point Vibrational Energy (zpe) 1417.3 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1408.7 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-pVDZ
ABC
1.97386 0.80542 0.57201

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.438 -0.591 0.000
C2 -0.719 -0.377 0.000
N3 0.000 0.576 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.16781.8519
C22.16781.1934
N31.85191.1934

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 58.623 Li1 N3 C2 87.996
C2 Li1 N3 33.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.435      
2 C -0.159      
3 N -0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.428 -2.542 0.000 6.912
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.451 -6.187 0.000
y -6.187 -15.233 0.000
z 0.000 0.000 -14.785
Traceless
 xyz
x 8.558 -6.187 0.000
y -6.187 -4.615 0.000
z 0.000 0.000 -3.943
Polar
3z2-r2-7.886
x2-y28.782
xy-6.187
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.327 0.309 0.000
y 0.309 4.153 0.000
z 0.000 0.000 3.444


<r2> (average value of r2) Å2
<r2> 21.138
(<r2>)1/2 4.598

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-100.251811
Energy at 298.15K-100.250701
HF Energy-100.251811
Nuclear repulsion energy28.024079
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-pVDZ
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 2067 2054 153.72      
2 Σ 694 690 153.13      
3 Π 108 107 25.16      
3 Π 108 107 25.16      

Unscaled Zero Point Vibrational Energy (zpe) 1488.1 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1479.1 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-pVDZ
B
0.42700

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.902
C2 0.000 0.000 -1.082
N3 0.000 0.000 0.112

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.98351.7901
C22.98351.1934
N31.79011.1934

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-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.359      
2 C -0.516      
3 N 0.157      


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 9.022 9.022
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.678 0.000 0.000
y 0.000 -14.678 0.000
z 0.000 0.000 -2.513
Traceless
 xyz
x -6.082 0.000 0.000
y 0.000 -6.082 0.000
z 0.000 0.000 12.164
Polar
3z2-r224.329
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 3.427 0.000 0.000
y 0.000 3.427 0.000
z 0.000 0.000 5.432


<r2> (average value of r2) Å2
<r2> 24.593
(<r2>)1/2 4.959