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: CCSD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V LiCN 1Σ
Energy calculated at CCSD/6-311+G(3df,2p)
 hartrees
Energy at 0K-100.156683
Energy at 298.15K-100.155748
HF Energy-99.808508
Nuclear repulsion energy27.596349
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 CCSD/6-311+G(3df,2p)
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 2211 2085 8.43      
2 Σ 621 586 129.15      
3 Π 172 162 35.56      
3 Π 172 162 35.56      

Unscaled Zero Point Vibrational Energy (zpe) 1588.4 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 1498.0 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 CCSD/6-311+G(3df,2p)
B
0.37542

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.077
C2 0.000 0.000 -0.148
N3 0.000 0.000 1.017

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.92933.0948
C21.92931.1656
N33.09481.1656

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