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: CCSD=FULL/aug-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 CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1871.039551
Energy at 298.15K-1871.039005
HF Energy-1870.149773
Nuclear repulsion energy103.281105
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=FULL/aug-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 2247 2247 26.85      
2 Σ 431 431 56.59      
3 Π 215 215 3.15      
3 Π 215 215 3.15      

Unscaled Zero Point Vibrational Energy (zpe) 1554.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1554.2 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 CCSD=FULL/aug-cc-pVDZ
B
0.12740

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.781
C2 0.000 0.000 -1.169
N3 0.000 0.000 -2.346

Atom - Atom Distances (Å)
  Zn1 C2 N3
Zn11.94973.1266
C21.94971.1770
N33.12661.1770

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