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 ZnCN (Zinc monocyanide)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-1870.236846
Energy at 298.15K-1870.235977
HF Energy-1869.786251
Nuclear repulsion energy104.149574
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 CISD/6-31G*
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 2807 2598 31.22      
2 Σ 441 409 62.12      
3 Π 114 105 2.76      
3 Π 114 105 2.76      

Unscaled Zero Point Vibrational Energy (zpe) 1737.5 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 1608.5 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 CISD/6-31G*
B
0.12948

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.775
C2 0.000 0.000 -1.167
N3 0.000 0.000 -2.322

Atom - Atom Distances (Å)
  Zn1 C2 N3
Zn11.94253.0977
C21.94251.1553
N33.09771.1553

picture of Zinc monocyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Zn1 C2 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability