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All results from a given calculation for Zn(CH3)2 (dimethyl zinc)

using model chemistry: LSDA/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-1856.187951
Energy at 298.15K-1856.193459
Nuclear repulsion energy169.918645
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 LSDA/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' 2990 2934 0.00      
2 A1' 1237 1214 0.00      
3 A1' 577 566 0.00      
4 A1" 47 46 0.00      
5 A2" 2989 2933 7.04      
6 A2" 1236 1213 25.27      
7 A2" 673 661 35.34      
8 E' 3073 3015 14.23      
8 E' 3073 3015 14.23      
9 E' 1408 1381 3.82      
9 E' 1407 1381 3.82      
10 E' 746 732 82.52      
10 E' 746 732 82.51      
11 E' 127 125 0.44      
11 E' 127 125 0.44      
12 E" 3073 3015 0.00      
12 E" 3073 3015 0.00      
13 E" 1402 1376 0.00      
13 E" 1402 1376 0.00      
14 E" 626 614 0.00      
14 E" 626 614 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15327.2 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 15040.6 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 LSDA/6-31G*
ABC
2.66558 0.14285 0.14285

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.000
C2 0.000 0.000 1.864
C3 0.000 0.000 -1.864
H4 0.000 1.023 2.281
H5 0.000 1.023 -2.281
H6 -0.886 -0.511 2.281
H7 0.886 -0.511 2.281
H8 0.886 -0.511 -2.281
H9 -0.886 -0.511 -2.281

Atom - Atom Distances (Å)
  Zn1 C2 C3 H4 H5 H6 H7 H8 H9
Zn11.86391.86392.49992.49992.49992.49992.49992.4999
C21.86393.72781.10454.26931.10451.10454.26934.2693
C31.86393.72784.26931.10454.26934.26931.10451.1045
H42.49991.10454.26934.56231.77131.77134.89414.8941
H52.49994.26931.10454.56234.89414.89411.77131.7713
H62.49991.10454.26931.77134.89411.77134.89414.5623
H72.49991.10454.26931.77134.89411.77134.56234.8941
H82.49994.26931.10454.89411.77134.89414.56231.7713
H92.49994.26931.10454.89411.77134.56234.89411.7713

picture of dimethyl zinc state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Zn1 C2 H4 112.195 Zn1 C2 H6 112.195
Zn1 C2 H7 112.195 Zn1 C3 H5 112.195
Zn1 C3 H8 112.195 Zn1 C3 H9 112.195
C2 Zn1 C3 180.000 H4 C2 H6 106.615
H4 C2 H7 106.615 H5 C3 H8 106.615
H5 C3 H9 106.615 H6 C2 H7 106.615
H8 C3 H9 106.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.480      
2 C -0.823      
3 C -0.823      
4 H 0.194      
5 H 0.194      
6 H 0.194      
7 H 0.194      
8 H 0.194      
9 H 0.194      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.829 0.000 0.000
y 0.000 -27.829 0.000
z 0.000 0.000 -31.452
Traceless
 xyz
x 1.812 0.000 0.000
y 0.000 1.812 0.000
z 0.000 0.000 -3.624
Polar
3z2-r2-7.247
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 5.685 0.000 0.000
y 0.000 5.685 0.000
z 0.000 0.000 8.552


<r2> (average value of r2) Å2
<r2> 97.322
(<r2>)1/2 9.865