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

using model chemistry: MP4=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 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-pCVTZ
 hartrees
Energy at 0K-100.327661
Energy at 298.15K-100.326715
HF Energy-99.807908
Nuclear repulsion energy27.406044
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-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 2050 2050        
2 Σ 626 626        
3 Π 166 166        
3 Π 166 166        

Unscaled Zero Point Vibrational Energy (zpe) 1504.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1504.5 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-pCVTZ
B
0.37498

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.073
C2 0.000 0.000 -0.156
N3 0.000 0.000 1.023

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.91683.0957
C21.91681.1789
N33.09571.1789

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-pCVTZ
 hartrees
Energy at 0K-100.331233
Energy at 298.15K-100.330506
HF Energy-99.814496
Nuclear repulsion energy29.141707
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-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' 647 647        
2 A' 193 193        
3 A' 1949 1949        

Unscaled Zero Point Vibrational Energy (zpe) 1394.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1394.7 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-pCVTZ
ABC
1.97261 0.82743 0.58292

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.397 -0.640 0.000
C2 -0.698 -0.372 0.000
N3 0.000 0.593 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.11211.8632
C22.11211.1907
N31.86321.1907

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 61.408 Li1 N3 C2 84.457
C2 Li1 N3 34.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP4=FULL/cc-pCVTZ
 hartrees
Energy at 0K-100.330725
Energy at 298.15K-100.329576
HF Energy-99.819356
Nuclear repulsion energy28.205364
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-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 2001 2001        
2 Σ 708 708        
3 Π 94 94        
3 Π 94 94        

Unscaled Zero Point Vibrational Energy (zpe) 1448.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1448.9 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-pCVTZ
B
0.43402

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.884
C2 0.000 0.000 -1.075
N3 0.000 0.000 0.113

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.95901.7710
C22.95901.1881
N31.77101.1881

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