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

using model chemistry: ROHF/cc-pCVTZ

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 ROHF/cc-pCVTZ
 hartrees
Energy at 0K-99.811819
Energy at 298.15K-99.810943
HF Energy-99.811819
Nuclear repulsion energy28.081998
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 ROHF/cc-pCVTZ
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 2443 2443 2.30      
2 Σ 638 638 134.72      
3 Π 187 187 33.79      
3 Π 187 187 33.79      

Unscaled Zero Point Vibrational Energy (zpe) 1727.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1727.3 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 ROHF/cc-pCVTZ
B
0.38255

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.065
C2 0.000 0.000 -0.137
N3 0.000 0.000 1.002

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92833.0670
C21.92831.1387
N33.06701.1387

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 ROHF/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.541      
2 C -0.270      
3 N -0.271      


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 -9.454 9.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.166 0.000 0.000
y 0.000 -14.166 0.000
z 0.000 0.000 1.494
Traceless
 xyz
x -7.830 0.000 0.000
y 0.000 -7.830 0.000
z 0.000 0.000 15.659
Polar
3z2-r231.319
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 25.522
(<r2>)1/2 5.052

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at ROHF/cc-pCVTZ
 hartrees
Energy at 0K-99.820085
Energy at 298.15K 
HF Energy-99.820085
Nuclear repulsion energy29.242150
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 ROHF/cc-pCVTZ
Rotational Constants (cm-1) from geometry optimized at ROHF/cc-pCVTZ
B
0.38255

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.766 0.308 0.000
C2 -0.883 -0.459 0.000
N3 0.000 0.262 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.75771.7664
C22.75771.1399
N31.76641.1399

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 23.079 Li1 N3 C2 142.267
C2 Li1 N3 14.654
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.459      
2 C -0.155      
3 N -0.304      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  8.382 1.422 0.000 8.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -2.118 0.490 0.000
y 0.490 -15.230 0.000
z 0.000 0.000 -14.153
Traceless
 xyz
x 12.573 0.490 0.000
y 0.490 -7.095 0.000
z 0.000 0.000 -5.479
Polar
3z2-r2-10.958
x2-y213.112
xy0.490
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 22.620
(<r2>)1/2 4.756

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at ROHF/cc-pCVTZ
 hartrees
Energy at 0K-99.821948
Energy at 298.15K-99.820906
HF Energy-99.821948
Nuclear repulsion energy28.854891
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 ROHF/cc-pCVTZ
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 2322 235.65      
2 Σ 740 740 171.13      
3 Π 121 121 29.53      
3 Π 121 121 29.53      

Unscaled Zero Point Vibrational Energy (zpe) 1652.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1652.0 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 ROHF/cc-pCVTZ
B
0.44808

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.862
C2 0.000 0.000 -1.051
N3 0.000 0.000 0.103

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.91311.7598
C22.91311.1534
N31.75981.1534

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 ROHF/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.479      
2 C -0.165      
3 N -0.314      


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 8.789 8.789
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.175 0.000 0.000
y 0.000 -14.175 0.000
z 0.000 0.000 -2.193
Traceless
 xyz
x -5.991 0.000 0.000
y 0.000 -5.991 0.000
z 0.000 0.000 11.982
Polar
3z2-r223.964
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 23.463
(<r2>)1/2 4.844