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

using model chemistry: MP2=FULL/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/cc-pVQZ
 hartrees
Energy at 0K-100.257624
Energy at 298.15K-100.256704
HF Energy-99.814530
Nuclear repulsion energy27.536957
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/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 2083 1994 23.63      
2 Σ 629 602 124.00      
3 Π 176 168 37.23      
3 Π 176 168 37.23      

Unscaled Zero Point Vibrational Energy (zpe) 1531.9 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 1466.2 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/cc-pVQZ
B
0.37894

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.062
C2 0.000 0.000 -0.156
N3 0.000 0.000 1.018

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.90523.0794
C21.90521.1742
N33.07941.1742

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/cc-pVQZ
 hartrees
Energy at 0K-100.259557
Energy at 298.15K-100.258860
HF Energy-99.820610
Nuclear repulsion energy29.323075
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/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' 2010 1923 10.92      
2 A' 646 618 157.60      
3 A' 216 207 31.23      

Unscaled Zero Point Vibrational Energy (zpe) 1435.7 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 1374.1 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/cc-pVQZ
ABC
1.95384 0.84898 0.59182

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.426 -0.593 0.000
C2 -0.713 -0.371 0.000
N3 0.000 0.572 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.15121.8415
C22.15121.1818
N31.84151.1818

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 58.812 Li1 N3 C2 87.889
C2 Li1 N3 33.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP2=FULL/cc-pVQZ
 hartrees
Energy at 0K-100.258774
Energy at 298.15K-100.257693
HF Energy-99.826026
Nuclear repulsion energy28.343651
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/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 2075 1986 95.70      
2 Σ 714 684 160.93      
3 Π 114 109 23.54      
3 Π 114 109 23.54      

Unscaled Zero Point Vibrational Energy (zpe) 1508.5 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 1443.8 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/cc-pVQZ
B
0.43681

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.880
C2 0.000 0.000 -1.069
N3 0.000 0.000 0.111

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.94981.7699
C22.94981.1800
N31.76991.1800

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