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

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-1807.893408
Energy at 298.15K 
Nuclear repulsion energy82.743090
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/3-21G*
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 2987 2933 4.91      
2 A1 1298 1275 7.53      
3 A1 712 699 13.56      
4 E 3066 3011 4.49      
4 E 3066 3011 4.49      
5 E 1408 1383 17.19      
5 E 1408 1383 17.18      
6 E 667 655 3.19      
6 E 667 655 3.18      

Unscaled Zero Point Vibrational Energy (zpe) 7639.2 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 7501.7 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/3-21G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.442
C2 0.000 0.000 -1.336
H3 0.000 1.024 -1.751
H4 0.887 -0.512 -1.751
H5 -0.887 -0.512 -1.751

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4 H5
Zn11.77892.42032.42032.4203
C21.77891.10451.10451.1045
H32.42031.10451.77341.7734
H42.42031.10451.77341.7734
H52.42031.10451.77341.7734

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 112.026 Zn1 C2 H4 112.026
Zn1 C2 H5 112.026 H3 C2 H4 106.800
H3 C2 H5 106.800 H4 C2 H5 106.800
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.298      
2 C -1.058      
3 H 0.253      
4 H 0.253      
5 H 0.253      


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 -0.761 0.761
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.876 0.000 0.000
y 0.000 -21.876 0.000
z 0.000 0.000 -25.156
Traceless
 xyz
x 1.640 0.000 0.000
y 0.000 1.640 0.000
z 0.000 0.000 -3.280
Polar
3z2-r2-6.560
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 7.084 0.000 0.000
y 0.000 7.087 -0.001
z 0.000 -0.001 7.866


<r2> (average value of r2) Å2
<r2> 43.275
(<r2>)1/2 6.578