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

using model chemistry: HF/aug-cc-pVQZ

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 HF/aug-cc-pVQZ
 hartrees
Energy at 0K-99.817973
Energy at 298.15K-99.817092
HF Energy-99.817973
Nuclear repulsion energy28.076326
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 HF/aug-cc-pVQZ
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 2437 2214 0.77      
2 Σ 636 578 139.42      
3 Π 187 170 31.65      
3 Π 187 170 31.65      

Unscaled Zero Point Vibrational Energy (zpe) 1723.8 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 1566.1 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 HF/aug-cc-pVQZ
B
0.38212

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

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 -0.136
N3 0.000 0.000 1.002

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.93013.0687
C21.93011.1386
N33.06871.1386

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 HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.541      
2 C -0.000      
3 N -0.541      


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 -9.570 9.570
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.284 0.000 0.000
y 0.000 -14.284 0.000
z 0.000 0.000 1.400
Traceless
 xyz
x -7.842 0.000 0.000
y 0.000 -7.842 0.000
z 0.000 0.000 15.683
Polar
3z2-r231.367
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 2.872 0.000 0.000
y 0.000 2.872 0.000
z 0.000 0.000 4.152


<r2> (average value of r2) Å2
<r2> 25.610
(<r2>)1/2 5.061

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at HF/aug-cc-pVQZ
 hartrees
Energy at 0K-99.827273
Energy at 298.15K 
HF Energy-99.827273
Nuclear repulsion energy29.077508
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 HF/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at HF/aug-cc-pVQZ
B
0.38212

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.985 1.530 0.000
C2 -0.492 -0.915 0.000
N3 0.000 0.129 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.85701.7130
C22.85701.1542
N31.71301.1542

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 5.881 Li1 N3 C2 170.160
C2 Li1 N3 3.959
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.465      
2 C -0.123      
3 N -0.342      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.666 7.205 0.000 8.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.470 5.410 0.000
y 5.410 -6.677 0.000
z 0.000 0.000 -14.223
Traceless
 xyz
x -0.020 5.410 0.000
y 5.410 5.670 0.000
z 0.000 0.000 -5.650
Polar
3z2-r2-11.300
x2-y2-3.793
xy5.410
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.872 0.000 0.000
y 0.000 2.872 0.000
z 0.000 0.000 4.152


<r2> (average value of r2) Å2
<r2> 23.062
(<r2>)1/2 4.802

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at HF/aug-cc-pVQZ
 hartrees
Energy at 0K-99.827913
Energy at 298.15K-99.826878
HF Energy-99.827913
Nuclear repulsion energy28.860497
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 HF/aug-cc-pVQZ
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 2322 2109 241.28      
2 Σ 739 671 176.57      
3 Π 124 113 30.61      
3 Π 124 113 30.61      

Unscaled Zero Point Vibrational Energy (zpe) 1654.3 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 1503.0 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 HF/aug-cc-pVQZ
B
0.44788

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.863
C2 0.000 0.000 -1.051
N3 0.000 0.000 0.102

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.91381.7611
C22.91381.1527
N31.76111.1527

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 HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.482      
2 C -0.126      
3 N -0.356      


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 8.855 8.855
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.251 0.000 0.000
y 0.000 -14.251 0.000
z 0.000 0.000 -2.281
Traceless
 xyz
x -5.985 0.000 0.000
y 0.000 -5.985 0.000
z 0.000 0.000 11.970
Polar
3z2-r223.939
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 2.905 0.000 0.000
y 0.000 2.905 0.000
z 0.000 0.000 4.147


<r2> (average value of r2) Å2
<r2> 23.519
(<r2>)1/2 4.850