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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-1858.938454
Energy at 298.15K-1858.943901
Nuclear repulsion energy166.073900
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 B3LYPultrafine/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' 3036 2908 0.00      
2 A1' 1289 1235 0.00      
3 A1' 531 509 0.00      
4 A1" 33 32 0.00      
5 A2" 3034 2906 32.33      
6 A2" 1286 1232 3.72      
7 A2" 628 601 39.34      
8 E' 3101 2971 40.24      
8 E' 3101 2971 40.24      
9 E' 1482 1419 0.94      
9 E' 1482 1419 0.94      
10 E' 753 721 79.82      
10 E' 753 721 79.82      
11 E' 120 115 1.92      
11 E' 120 115 1.92      
12 E" 3101 2971 0.00      
12 E" 3101 2971 0.00      
13 E" 1478 1416 0.00      
13 E" 1478 1416 0.00      
14 E" 643 616 0.00      
14 E" 643 616 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15595.1 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 14940.1 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 B3LYPultrafine/6-31G*
ABC
2.69306 0.13534 0.13534

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/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 1.921
C3 0.000 0.000 -1.921
H4 0.000 1.017 2.332
H5 0.000 1.017 -2.332
H6 -0.881 -0.509 2.332
H7 0.881 -0.509 2.332
H8 0.881 -0.509 -2.332
H9 -0.881 -0.509 -2.332

Atom - Atom Distances (Å)
  Zn1 C2 C3 H4 H5 H6 H7 H8 H9
Zn11.92071.92072.54442.54442.54442.54442.54442.5444
C21.92073.84141.09754.37281.09751.09754.37284.3728
C31.92073.84144.37281.09754.37284.37281.09751.0975
H42.54441.09754.37284.66431.76231.76234.98614.9861
H52.54444.37281.09754.66434.98614.98611.76231.7623
H62.54441.09754.37281.76234.98611.76234.98614.6643
H72.54441.09754.37281.76234.98611.76234.66434.9861
H82.54444.37281.09754.98611.76234.98614.66431.7623
H92.54444.37281.09754.98611.76234.66434.98611.7623

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 112.019 Zn1 C2 H6 112.019
Zn1 C2 H7 112.019 Zn1 C3 H5 112.019
Zn1 C3 H8 112.019 Zn1 C3 H9 112.019
C2 Zn1 C3 180.000 H4 C2 H6 106.807
H4 C2 H7 106.807 H5 C3 H8 106.807
H5 C3 H9 106.807 H6 C2 H7 106.807
H8 C3 H9 106.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.551      
2 C -0.756      
3 C -0.756      
4 H 0.160      
5 H 0.160      
6 H 0.160      
7 H 0.160      
8 H 0.160      
9 H 0.160      


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 -27.670 0.000 0.000
y 0.000 -27.670 0.000
z 0.000 0.000 -33.204
Traceless
 xyz
x 2.767 0.000 0.000
y 0.000 2.767 0.000
z 0.000 0.000 -5.534
Polar
3z2-r2-11.067
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 5.546 0.000 0.000
y 0.000 5.546 0.000
z 0.000 0.000 8.552


<r2> (average value of r2) Å2
<r2> 101.547
(<r2>)1/2 10.077