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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-1818.520467
Energy at 298.15K-1818.523423
HF Energy-1818.394398
Nuclear repulsion energy76.628106
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 B2PLYP/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 A1 3076 2920 14.74      
2 A1 1225 1163 8.95      
3 A1 511 485 8.24      
4 E 3165 3005 12.57      
4 E 3165 3005 12.58      
5 E 1481 1406 4.15      
5 E 1481 1406 4.15      
6 E 626 595 2.05      
6 E 626 595 2.04      

Unscaled Zero Point Vibrational Energy (zpe) 7678.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 7288.5 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 B2PLYP/6-31G*
ABC
5.31150 0.31968 0.31968

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.483
C2 0.000 0.000 -1.483
H3 0.000 1.025 -1.866
H4 0.887 -0.512 -1.866
H5 -0.887 -0.512 -1.866

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4 H5
Zn11.96632.56292.56292.5629
C21.96631.09381.09381.0938
H32.56291.09381.77461.7746
H42.56291.09381.77461.7746
H52.56291.09381.77461.7746

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 110.495 Zn1 C2 H4 110.495
Zn1 C2 H5 110.495 H3 C2 H4 108.429
H3 C2 H5 108.429 H4 C2 H5 108.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.298      
2 C -0.800      
3 H 0.168      
4 H 0.168      
5 H 0.168      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.983 0.000 0.000
y 0.000 6.985 -0.000
z 0.000 -0.000 8.569


<r2> (average value of r2) Å2
<r2> 48.127
(<r2>)1/2 6.937