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

using model chemistry: MP2=FULL/aug-cc-pVQZ

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 MP2=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-100.263424
Energy at 298.15K-100.262474
HF Energy-99.814705
Nuclear repulsion energy27.548403
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 MP2=FULL/aug-cc-pVQZ
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 2078 1987 21.46      
2 Σ 626 598 126.85      
3 Π 167 160 36.26      
3 Π 167 160 36.26      

Unscaled Zero Point Vibrational Energy (zpe) 1518.5 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 1452.3 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 MP2=FULL/aug-cc-pVQZ
B
0.38019

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.057
C2 0.000 0.000 -0.158
N3 0.000 0.000 1.017

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.89933.0741
C21.89931.1748
N33.07411.1748

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 MP2=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-100.265205
Energy at 298.15K-100.264508
HF Energy-99.820747
Nuclear repulsion energy29.353564
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 MP2=FULL/aug-cc-pVQZ
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' 2009 1921 11.07      
2 A' 649 621 160.35      
3 A' 214 205 32.27      

Unscaled Zero Point Vibrational Energy (zpe) 1436.2 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 1373.6 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 MP2=FULL/aug-cc-pVQZ
ABC
1.95441 0.85425 0.59443

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.426 -0.589 0.000
C2 -0.713 -0.372 0.000
N3 0.000 0.571 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.14991.8385
C22.14991.1820
N31.83851.1820

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 58.719 Li1 N3 C2 87.953
C2 Li1 N3 33.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP2=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-100.265102
Energy at 298.15K-100.264132
HF Energy-99.826276
Nuclear repulsion energy28.364769
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 MP2=FULL/aug-cc-pVQZ
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 2074 1984 98.26      
2 Σ 696 666 164.10      
3 Π 150 143 24.23      
3 Π 150 143 24.23      

Unscaled Zero Point Vibrational Energy (zpe) 1534.5 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 1467.6 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 MP2=FULL/aug-cc-pVQZ
B
0.43812

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.877
C2 0.000 0.000 -1.068
N3 0.000 0.000 0.111

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.94531.7654
C22.94531.1800
N31.76541.1800

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