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 ZnNC (Zinc isocyanide)

using model chemistry: CISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-1870.730041
Energy at 298.15K-1870.729221
HF Energy-1870.146872
Nuclear repulsion energy109.159131
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/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 2229 2055 300.64      
2 Σ 480 442 84.70      
3 Π 116 107 0.14      
3 Π 116 107 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 1470.8 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 1355.8 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 CISD/cc-pVDZ
B
0.14350

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.732
N2 0.000 0.000 -1.145
C3 0.000 0.000 -2.326

Atom - Atom Distances (Å)
  Zn1 N2 C3
Zn11.87763.0582
N21.87761.1806
C33.05821.1806

picture of Zinc isocyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Zn1 N2 C3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability