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

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-1810.397846
Energy at 298.15K 
Nuclear repulsion energy80.893548
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/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 2963 2944 17.89      
2 A1 1300 1292 0.05      
3 A1 662 658 11.86      
4 E 3022 3003 14.30      
4 E 3022 3003 14.31      
5 E 1444 1435 10.06      
5 E 1444 1435 10.05      
6 E 654 649 1.55      
6 E 654 649 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 7583.1 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 7533.8 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/3-21G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.454
C2 0.000 0.000 -1.377
H3 0.000 1.025 -1.785
H4 0.888 -0.513 -1.785
H5 -0.888 -0.513 -1.785

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4 H5
Zn11.83072.46262.46262.4626
C21.83071.10371.10371.1037
H32.46261.10371.77601.7760
H42.46261.10371.77601.7760
H52.46261.10371.77601.7760

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 111.709 Zn1 C2 H4 111.709
Zn1 C2 H5 111.709 H3 C2 H4 107.144
H3 C2 H5 107.144 H4 C2 H5 107.144
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.286      
2 C -0.935      
3 H 0.216      
4 H 0.216      
5 H 0.216      


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 -0.677 0.677
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.033 0.000 0.000
y 0.000 -22.033 0.000
z 0.000 0.000 -25.606
Traceless
 xyz
x 1.786 0.000 0.000
y 0.000 1.786 0.000
z 0.000 0.000 -3.573
Polar
3z2-r2-7.146
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 7.240 0.000 0.000
y 0.000 7.243 -0.001
z 0.000 -0.001 8.306


<r2> (average value of r2) Å2
<r2> 44.773
(<r2>)1/2 6.691