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

using model chemistry: B2PLYP/3-21G*

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 B2PLYP/3-21G*
 hartrees
Energy at 0K-99.682374
Energy at 298.15K-99.681552
HF Energy-99.607199
Nuclear repulsion energy27.327821
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 B2PLYP/3-21G*
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 2118 2118 25.60      
2 Σ 666 666 99.86      
3 Π 204 204 49.93      
3 Π 204 204 49.93      

Unscaled Zero Point Vibrational Energy (zpe) 1595.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1595.9 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 B2PLYP/3-21G*
B
0.37379

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.075
C2 0.000 0.000 -0.159
N3 0.000 0.000 1.025

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91653.1004
C21.91651.1839
N33.10041.1839

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 B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.503      
2 C -0.070      
3 N -0.433      


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 -8.486 8.486
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.438 0.000 0.000
y 0.000 -14.438 0.000
z 0.000 0.000 0.873
Traceless
 xyz
x -7.655 0.000 0.000
y 0.000 -7.655 0.000
z 0.000 0.000 15.311
Polar
3z2-r230.621
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 2.151 0.000 0.000
y 0.000 2.151 0.000
z 0.000 0.000 4.065


<r2> (average value of r2) Å2
<r2> 26.258
(<r2>)1/2 5.124

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at B2PLYP/3-21G*
 hartrees
Energy at 0K-99.690269
Energy at 298.15K 
HF Energy-99.620056
Nuclear repulsion energy28.234659
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 B2PLYP/3-21G*
Rotational Constants (cm-1) from geometry optimized at B2PLYP/3-21G*
B
0.37379

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.470 -0.541 0.000
C2 -0.735 -0.384 0.000
N3 0.000 0.561 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.21001.8367
C22.21001.1966
N31.83671.1966

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 56.198 Li1 N3 C2 91.027
C2 Li1 N3 32.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.505      
2 C 0.089      
3 N -0.594      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.308 7.576 0.000 8.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.304 4.360 0.000
y 4.360 -5.255 0.000
z 0.000 0.000 -14.334
Traceless
 xyz
x -2.509 4.360 0.000
y 4.360 8.064 0.000
z 0.000 0.000 -5.554
Polar
3z2-r2-11.109
x2-y2-7.049
xy4.360
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.151 0.000 0.000
y 0.000 2.151 0.000
z 0.000 0.000 4.065


<r2> (average value of r2) Å2
<r2> 24.020
(<r2>)1/2 4.901

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at B2PLYP/3-21G*
 hartrees
Energy at 0K-99.690398
Energy at 298.15K-99.689368
HF Energy-99.620114
Nuclear repulsion energy28.150630
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 B2PLYP/3-21G*
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 2053 2053 123.27      
2 Σ 778 778 131.89      
3 Π 123 123 35.07      
3 Π 123 123 35.07      

Unscaled Zero Point Vibrational Energy (zpe) 1538.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1538.8 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 B2PLYP/3-21G*
B
0.43576

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.876
C2 0.000 0.000 -1.076
N3 0.000 0.000 0.118

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.95261.7578
C22.95261.1947
N31.75781.1947

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 B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.506      
2 C 0.086      
3 N -0.592      


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 8.358 8.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.338 0.000 0.000
y 0.000 -14.338 0.000
z 0.000 0.000 -2.982
Traceless
 xyz
x -5.678 0.000 0.000
y 0.000 -5.678 0.000
z 0.000 0.000 11.356
Polar
3z2-r222.712
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 2.029 0.000 0.000
y 0.000 2.029 0.000
z 0.000 0.000 4.443


<r2> (average value of r2) Å2
<r2> 24.201
(<r2>)1/2 4.919