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

using model chemistry: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1858.979989
Energy at 298.15K-1858.985336
Nuclear repulsion energy163.096348
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/6-31+G**
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' 2956 2940 0.00      
2 A1' 1178 1172 0.00      
3 A1' 474 472 0.00      
4 A1" 11 11 0.00      
5 A2" 2953 2938 58.32      
6 A2" 1181 1175 1.49      
7 A2" 577 574 43.33      
8 E' 3032 3016 34.11      
8 E' 3032 3016 34.11      
9 E' 1432 1425 3.46      
9 E' 1432 1425 3.46      
10 E' 720 717 39.24      
10 E' 720 717 39.24      
11 E' 139 139 1.01      
11 E' 139 139 1.01      
12 E" 3032 3016 0.00      
12 E" 3032 3016 0.00      
13 E" 1427 1420 0.00      
13 E" 1427 1420 0.00      
14 E" 629 626 0.00      
14 E" 629 626 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15078.3 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 14998.4 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/6-31+G**
ABC
2.62247 0.13015 0.13015

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

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 1.965
C3 0.000 0.000 -1.965
H4 0.000 1.031 2.357
H5 0.000 1.031 -2.357
H6 -0.893 -0.516 2.357
H7 0.893 -0.516 2.357
H8 0.893 -0.516 -2.357
H9 -0.893 -0.516 -2.357

Atom - Atom Distances (Å)
  Zn1 C2 C3 H4 H5 H6 H7 H8 H9
Zn11.96551.96552.57292.57292.57292.57292.57292.5729
C21.96553.93101.10304.44401.10301.10304.44404.4440
C31.96553.93104.44401.10304.44404.44401.10301.1030
H42.57291.10304.44404.71451.78581.78585.04135.0413
H52.57294.44401.10304.71455.04135.04131.78581.7858
H62.57291.10304.44401.78585.04131.78585.04134.7145
H72.57291.10304.44401.78585.04131.78584.71455.0413
H82.57294.44401.10305.04131.78585.04134.71451.7858
H92.57294.44401.10305.04131.78584.71455.04131.7858

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 110.804 Zn1 C2 H6 110.804
Zn1 C2 H7 110.804 Zn1 C3 H5 110.804
Zn1 C3 H8 110.804 Zn1 C3 H9 110.804
C2 Zn1 C3 180.000 H4 C2 H6 108.106
H4 C2 H7 108.106 H5 C3 H8 108.106
H5 C3 H9 108.106 H6 C2 H7 108.106
H8 C3 H9 108.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.107      
2 C -0.481      
3 C -0.481      
4 H 0.143      
5 H 0.143      
6 H 0.143      
7 H 0.143      
8 H 0.143      
9 H 0.143      


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 -28.730 0.000 0.000
y 0.000 -28.730 0.000
z 0.000 0.000 -34.600
Traceless
 xyz
x 2.935 0.000 0.000
y 0.000 2.935 0.000
z 0.000 0.000 -5.870
Polar
3z2-r2-11.741
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 6.271 0.000 0.000
y 0.000 6.272 0.000
z 0.000 0.000 11.736


<r2> (average value of r2) Å2
<r2> 105.241
(<r2>)1/2 10.259