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

using model chemistry: ROHF/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 ROHF/3-21G
 hartrees
Energy at 0K-1808.507061
Energy at 298.15K 
Nuclear repulsion energy77.814569
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 ROHF/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 3164 2870 34.17      
2 A1 1395 1266 10.74      
3 A1 597 541 20.24      
4 E 3222 2922 26.85      
4 E 3222 2922 26.85      
5 E 1609 1459 10.35      
5 E 1609 1459 10.35      
6 E 655 594 2.00      
6 E 655 594 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 8063.6 cm-1
Scaled (by 0.907) Zero Point Vibrational Energy (zpe) 7313.7 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 ROHF/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.476
C2 0.000 0.000 -1.452
H3 0.000 1.009 -1.857
H4 0.874 -0.505 -1.857
H5 -0.874 -0.505 -1.857

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4 H5
Zn11.92782.54172.54172.5417
C21.92781.08751.08751.0875
H32.54171.08751.74821.7482
H42.54171.08751.74821.7482
H52.54171.08751.74821.7482

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 111.859 Zn1 C2 H4 111.859
Zn1 C2 H5 111.859 H3 C2 H4 106.982
H3 C2 H5 106.982 H4 C2 H5 106.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.440      
2 C -1.067      
3 H 0.209      
4 H 0.209      
5 H 0.209      


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 0.226 0.226
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.490 0.000 0.000
y 0.000 -21.491 0.001
z 0.000 0.001 -27.934
Traceless
 xyz
x 3.222 0.000 0.000
y 0.000 3.221 0.001
z 0.000 0.001 -6.443
Polar
3z2-r2-12.886
x2-y20.001
xy0.000
xz0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 47.606
(<r2>)1/2 6.900