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

using model chemistry: MP4=FULL/cc-pVDZ

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 MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-100.092315
Energy at 298.15K-100.091252
HF Energy-99.776673
Nuclear repulsion energy27.024832
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 MP4=FULL/cc-pVDZ
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 2044 1973        
2 Σ 603 582        
3 Π 136 131        
3 Π 136 131        

Unscaled Zero Point Vibrational Energy (zpe) 1459.6 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 1408.7 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 MP4=FULL/cc-pVDZ
B
0.36389

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.105
C2 0.000 0.000 -0.157
N3 0.000 0.000 1.037

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.94813.1427
C21.94811.1946
N33.14271.1946

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 MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-100.098404
Energy at 298.15K-100.097605
HF Energy-99.786346
Nuclear repulsion energy28.567493
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 MP4=FULL/cc-pVDZ
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' 641 619        
2 A' 152 146        
3 A' 1927 1860        

Unscaled Zero Point Vibrational Energy (zpe) 1360.1 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 1312.6 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 MP4=FULL/cc-pVDZ
ABC
2.01940 0.75786 0.55105

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.472 -0.600 0.000
C2 -0.736 -0.378 0.000
N3 0.000 0.581 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.21941.8874
C22.21941.2086
N31.88741.2086

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 58.235 Li1 N3 C2 88.780
C2 Li1 N3 32.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-100.096598
Energy at 298.15K-100.095146
HF Energy-99.789482
Nuclear repulsion energy27.731864
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 MP4=FULL/cc-pVDZ
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 1976 1907        
2 Σ 696 671        
3 Π 17 17        
3 Π 17 17        

Unscaled Zero Point Vibrational Energy (zpe) 1352.9 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 1305.7 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 MP4=FULL/cc-pVDZ
B
0.41814

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.922
C2 0.000 0.000 -1.093
N3 0.000 0.000 0.113

Atom - Atom Distances (Å)
  Li1 C2 N3
Li13.01491.8086
C23.01491.2063
N31.80861.2063

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