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

using model chemistry: mPW1PW91/6-31+G**

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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-100.341649
Energy at 298.15K-100.340763
HF Energy-100.341649
Nuclear repulsion energy27.531212
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 mPW1PW91/6-31+G**
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 2259 2151 5.46      
2 Σ 626 596 130.71      
3 Π 189 180 43.10      
3 Π 189 180 43.10      

Unscaled Zero Point Vibrational Energy (zpe) 1631.3 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 1552.7 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 mPW1PW91/6-31+G**
B
0.37445

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.079
C2 0.000 0.000 -0.150
N3 0.000 0.000 1.019

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92943.0987
C21.92941.1693
N33.09871.1693

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 mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.085      
2 C 0.349      
3 N -0.434      


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 -9.349 9.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.462 0.000 0.000
y 0.000 -14.462 0.000
z 0.000 0.000 1.246
Traceless
 xyz
x -7.854 0.000 0.000
y 0.000 -7.854 0.000
z 0.000 0.000 15.708
Polar
3z2-r231.416
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 2.482 0.000 -0.000
y 0.000 2.482 -0.000
z -0.000 -0.000 4.757


<r2> (average value of r2) Å2
<r2> 26.142
(<r2>)1/2 5.113

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-100.343413
Energy at 298.15K-100.342565
HF Energy-100.343413
Nuclear repulsion energy29.095734
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 mPW1PW91/6-31+G**
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' 674 642 149.65      
2 A' 113 108 37.32      
3 A' 2138 2035 51.38      

Unscaled Zero Point Vibrational Energy (zpe) 1462.8 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 1392.3 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 mPW1PW91/6-31+G**
ABC
2.27238 0.74683 0.56209

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.493 -0.523 0.000
C2 -0.747 -0.373 0.000
N3 0.000 0.544 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.24531.8354
C22.24531.1823
N31.83541.1823

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 54.668 Li1 N3 C2 93.629
C2 Li1 N3 31.703
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.539      
2 C -0.352      
3 N -0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.968 -2.284 0.000 7.332
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.443 -5.739 0.000
y -5.739 -15.556 0.000
z 0.000 0.000 -14.574
Traceless
 xyz
x 9.622 -5.739 0.000
y -5.739 -5.547 0.000
z 0.000 0.000 -4.075
Polar
3z2-r2-8.149
x2-y210.112
xy-5.739
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.798 0.488 0.000
y 0.488 3.669 0.000
z 0.000 0.000 2.874


<r2> (average value of r2) Å2
<r2> 21.168
(<r2>)1/2 4.601

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-100.345713
Energy at 298.15K-100.344692
HF Energy-100.345713
Nuclear repulsion energy28.261628
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 mPW1PW91/6-31+G**
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 2172 2067 171.11      
2 Σ 711 676 162.80      
3 Π 133 127 37.02      
3 Π 133 127 37.02      

Unscaled Zero Point Vibrational Energy (zpe) 1574.1 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 1498.2 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 mPW1PW91/6-31+G**
B
0.43277

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.891
C2 0.000 0.000 -1.073
N3 0.000 0.000 0.109

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.96381.7824
C22.96381.1814
N31.78241.1814

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 mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.495      
2 C -0.349      
3 N -0.145      


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 9.047 9.047
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.473 0.000 0.000
y 0.000 -14.473 0.000
z 0.000 0.000 -2.248
Traceless
 xyz
x -6.113 0.000 0.000
y 0.000 -6.113 0.000
z 0.000 0.000 12.226
Polar
3z2-r224.451
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 2.583 0.000 0.000
y 0.000 2.583 0.000
z 0.000 0.000 4.816


<r2> (average value of r2) Å2
<r2> 24.210
(<r2>)1/2 4.920