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

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pCVTZ
 hartrees
Energy at 0K-100.297723
Energy at 298.15K-100.296803
HF Energy-99.810990
Nuclear repulsion energy27.813606
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 MP3=FULL/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 2303 2303 9.66      
2 Σ 636 636 126.04      
3 Π 173 173 37.70      
3 Π 173 173 37.70      

Unscaled Zero Point Vibrational Energy (zpe) 1642.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1642.6 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 MP3=FULL/cc-pCVTZ
B
0.38144

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.061
C2 0.000 0.000 -0.147
N3 0.000 0.000 1.009

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91383.0703
C21.91381.1566
N33.07031.1566

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 MP3=FULL/cc-pCVTZ
 hartrees
Energy at 0K-100.302248
Energy at 298.15K-100.301480
HF Energy-99.817485
Nuclear repulsion energy29.468997
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 MP3=FULL/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 A' 2182 2182 38.10      
2 A' 672 672 148.12      
3 A' 158 158 35.04      

Unscaled Zero Point Vibrational Energy (zpe) 1505.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1505.7 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 MP3=FULL/cc-pCVTZ
ABC
2.16694 0.79847 0.58348

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.434 -0.583 0.000
C2 -0.717 -0.363 0.000
N3 0.000 0.561 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.16241.8342
C22.16241.1694
N31.83421.1694

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 58.011 Li1 N3 C2 89.253
C2 Li1 N3 32.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP3=FULL/cc-pCVTZ
 hartrees
Energy at 0K-100.302738
Energy at 298.15K-100.301623
HF Energy-99.821474
Nuclear repulsion energy28.581882
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 MP3=FULL/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 2217 2217 157.42      
2 Σ 724 724 162.29      
3 Π 102 102 25.65      
3 Π 102 102 25.65      

Unscaled Zero Point Vibrational Energy (zpe) 1572.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1572.7 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 MP3=FULL/cc-pCVTZ
B
0.44235

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.871
C2 0.000 0.000 -1.061
N3 0.000 0.000 0.107

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.93151.7638
C22.93151.1678
N31.76381.1678

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