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

using model chemistry: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-1859.140342
Energy at 298.15K-1859.145889
Nuclear repulsion energy164.140902
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 BLYP/6-311G**
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' 2957 2945 0.00      
2 A1' 1231 1226 0.00      
3 A1' 500 498 0.00      
4 A1" 19 19 0.00      
5 A2" 2955 2943 77.01      
6 A2" 1233 1228 1.63      
7 A2" 599 596 34.24      
8 E' 3020 3008 60.52      
8 E' 3020 3008 60.52      
9 E' 1426 1420 4.27      
9 E' 1426 1420 4.27      
10 E' 745 742 63.09      
10 E' 745 742 63.09      
11 E' 158 157 4.92      
11 E' 158 157 4.92      
12 E" 3019 3007 0.00      
12 E" 3019 3007 0.00      
13 E" 1422 1417 0.00      
13 E" 1422 1417 0.00      
14 E" 676 674 0.00      
14 E" 676 674 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15211.2 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 15151.9 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 BLYP/6-311G**
ABC
2.66353 0.13189 0.13189

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

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 1.949
C3 0.000 0.000 -1.949
H4 0.000 1.023 2.353
H5 0.000 1.023 -2.353
H6 -0.886 -0.512 2.353
H7 0.886 -0.512 2.353
H8 0.886 -0.512 -2.353
H9 -0.886 -0.512 -2.353

Atom - Atom Distances (Å)
  Zn1 C2 C3 H4 H5 H6 H7 H8 H9
Zn11.94891.94892.56622.56622.56622.56622.56622.5662
C21.94893.89781.10014.42231.10011.10014.42234.4223
C31.94893.89784.42231.10014.42234.42231.10011.1001
H42.56621.10014.42234.70681.77201.77205.02935.0293
H52.56624.42231.10014.70685.02935.02931.77201.7720
H62.56621.10014.42231.77205.02931.77205.02934.7068
H72.56621.10014.42231.77205.02931.77204.70685.0293
H82.56624.42231.10015.02931.77205.02934.70681.7720
H92.56624.42231.10015.02931.77204.70685.02931.7720

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 111.574 Zn1 C2 H6 111.574
Zn1 C2 H7 111.574 Zn1 C3 H5 111.574
Zn1 C3 H8 111.574 Zn1 C3 H9 111.574
C2 Zn1 C3 180.000 H4 C2 H6 107.290
H4 C2 H7 107.290 H5 C3 H8 107.290
H5 C3 H9 107.290 H6 C2 H7 107.289
H8 C3 H9 107.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.984      
2 C -0.893      
3 C -0.893      
4 H 0.134      
5 H 0.134      
6 H 0.134      
7 H 0.134      
8 H 0.134      
9 H 0.134      


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 -28.299 0.000 0.000
y 0.000 -28.299 0.000
z 0.000 0.000 -35.907
Traceless
 xyz
x 3.804 0.000 0.000
y 0.000 3.804 0.000
z 0.000 0.000 -7.607
Polar
3z2-r2-15.214
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 4.760 0.000 0.000
y 0.000 4.760 0.000
z 0.000 0.000 9.874


<r2> (average value of r2) Å2
<r2> 104.348
(<r2>)1/2 10.215