return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP3=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 MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-100.069460
Energy at 298.15K-100.068441
HF Energy-99.780208
Nuclear repulsion energy27.392059
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-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 2289 2152 9.42      
2 Σ 610 574 116.63      
3 Π 148 139 49.25      
3 Π 148 139 49.25      

Unscaled Zero Point Vibrational Energy (zpe) 1597.4 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 1502.0 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-pVDZ
B
0.36915

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.096
C2 0.000 0.000 -0.148
N3 0.000 0.000 1.025

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.94783.1212
C21.94781.1734
N33.12121.1734

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-pVDZ
 hartrees
Energy at 0K-100.075681
Energy at 298.15K-100.074858
HF Energy-99.789766
Nuclear repulsion energy28.872310
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-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' 2161 2032 42.25      
2 A' 663 624 132.66      
3 A' 129 121 31.94      

Unscaled Zero Point Vibrational Energy (zpe) 1476.6 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 1388.5 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 MP3=FULL/cc-pVDZ
ABC
2.22747 0.73044 0.55006

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.451 -0.595 0.000
C2 -0.725 -0.368 0.000
N3 0.000 0.571 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.18801.8608
C22.18801.1864
N31.86081.1864

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 58.245 Li1 N3 C2 88.924
C2 Li1 N3 32.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-100.074569
Energy at 298.15K-100.073158
HF Energy-99.792141
Nuclear repulsion energy28.093147
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-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 2199 2068 151.19      
2 Σ 709 666 156.02      
3 Π 26 24 28.14      
3 Π 26 24 28.14      

Unscaled Zero Point Vibrational Energy (zpe) 1479.8 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 1391.5 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 MP3=FULL/cc-pVDZ
B
0.42558

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.910
C2 0.000 0.000 -1.079
N3 0.000 0.000 0.107

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.98901.8032
C22.98901.1858
N31.80321.1858

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