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

using model chemistry: B2PLYP=FULL/6-31G*

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 yes CS 1A'
1 3 no C*V LiNC 1Σ

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-100.272414
Energy at 298.15K-100.271451
HF Energy-100.170356
Nuclear repulsion energy27.419886
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=FULL/6-31G*
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 2176 2064 18.67      
2 Σ 638 605 113.84      
3 Π 163 155 43.46      
3 Π 163 155 43.46      

Unscaled Zero Point Vibrational Energy (zpe) 1570.4 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 1489.4 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=FULL/6-31G*
B
0.37439

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.076
C2 0.000 0.000 -0.155
N3 0.000 0.000 1.023

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92073.0983
C21.92071.1776
N33.09831.1776

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

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-100.277927
Energy at 298.15K-100.277221
HF Energy-100.177275
Nuclear repulsion energy29.073502
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=FULL/6-31G*
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' 2064 1957 25.93      
2 A' 669 634 129.85      
3 A' 206 195 23.72      

Unscaled Zero Point Vibrational Energy (zpe) 1469.2 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 1393.4 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=FULL/6-31G*
ABC
2.00731 0.80717 0.57568

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.435 -0.592 0.000
C2 -0.718 -0.374 0.000
N3 0.000 0.574 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.16421.8493
C22.16421.1886
N31.84931.1886

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 58.650 Li1 N3 C2 88.057
C2 Li1 N3 33.292
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-100.273383
Energy at 298.15K 
HF Energy-100.175377
Nuclear repulsion energy28.135226
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=FULL/6-31G*
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 2112 2003 136.93      
2 Σ 726 689 143.41      
3 Π 34i 32i 32.76      
3 Π 34i 32i 32.76      

Unscaled Zero Point Vibrational Energy (zpe) 1384.9 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 1313.4 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=FULL/6-31G*
B
0.43034

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.895
C2 0.000 0.000 -1.077
N3 0.000 0.000 0.111

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.97191.7833
C22.97191.1886
N31.78331.1886

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