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All results from a given calculation for ZnCH3 (Zinc monomethyl)

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-1808.777769
Energy at 298.15K 
Nuclear repulsion energy78.195648
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 CID/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3082 2871 24.08      
2 A1 1340 1248 0.21      
3 A1 588 548 13.06      
4 E 3150 2934 17.49      
4 E 3150 2934 17.49      
5 E 1532 1427 8.50      
5 E 1532 1427 8.50      
6 E 641 597 1.92      
6 E 641 597 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 7826.9 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 7291.5 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 CID/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.473
C2 0.000 0.000 -1.441
H3 0.000 1.019 -1.844
H4 0.882 -0.509 -1.844
H5 -0.882 -0.509 -1.844

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4 H5
Zn11.91362.53032.53032.5303
C21.91361.09531.09531.0953
H32.53031.09531.76431.7643
H42.53031.09531.76431.7643
H52.53031.09531.76431.7643

picture of Zinc monomethyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Zn1 C2 H3 111.569 Zn1 C2 H4 111.569
Zn1 C2 H5 111.569 H3 C2 H4 107.294
H3 C2 H5 107.294 H4 C2 H5 107.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability