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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-233.527252
Energy at 298.15K 
Nuclear repulsion energy39.372885
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 B3LYP/CEP-121G
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 2970 2895 28.23      
2 A1 1119 1090 4.65      
3 A1 406 396 2.47      
4 E 3100 3021 20.65      
4 E 3100 3021 20.67      
5 E 1459 1422 5.55      
5 E 1459 1422 5.55      
6 E 617 601 2.74      
6 E 617 601 2.73      

Unscaled Zero Point Vibrational Energy (zpe) 7423.9 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 7234.6 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 B3LYP/CEP-121G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.501
C2 0.000 0.000 -1.557
H3 0.000 1.044 -1.897
H4 0.904 -0.522 -1.897
H5 -0.904 -0.522 -1.897

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4 H5
Zn12.05772.61582.61582.6158
C22.05771.09811.09811.0981
H32.61581.09811.80801.8080
H42.61581.09811.80801.8080
H52.61581.09811.80801.8080

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 108.082 Zn1 C2 H4 108.082
Zn1 C2 H5 108.082 H3 C2 H4 110.824
H3 C2 H5 110.824 H4 C2 H5 110.824
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.234      
2 C -0.683      
3 H 0.150      
4 H 0.150      
5 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.285 0.285
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.429 0.000 0.000
y 0.000 -21.429 0.000
z 0.000 0.000 -25.123
Traceless
 xyz
x 1.847 0.000 0.000
y 0.000 1.847 0.000
z 0.000 0.000 -3.694
Polar
3z2-r2-7.388
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.686 0.000 0.000
y 0.000 6.688 -0.000
z 0.000 -0.000 9.850


<r2> (average value of r2) Å2
<r2> 42.936
(<r2>)1/2 6.553