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

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-232.128832
Energy at 298.15K 
Nuclear repulsion energy39.545141
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 HF/CEP-121G
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 3104 2833 74.83      
2 A1 1266 1155 6.01      
3 A1 461 421 5.49      
4 E 3215 2934 35.83      
4 E 3215 2934 35.83      
5 E 1585 1446 5.87      
5 E 1585 1446 5.87      
6 E 656 599 3.05      
6 E 656 599 3.05      

Unscaled Zero Point Vibrational Energy (zpe) 7872.0 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 7183.2 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 HF/CEP-121G
See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.500
C2 0.000 0.000 -1.544
H3 0.000 1.025 -1.913
H4 0.888 -0.513 -1.913
H5 -0.888 -0.513 -1.913

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4 H5
Zn12.04382.62182.62182.6218
C22.04381.08971.08971.0897
H32.62181.08971.77581.7758
H42.62181.08971.77581.7758
H52.62181.08971.77581.7758

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 109.803 Zn1 C2 H4 109.803
Zn1 C2 H5 109.803 H3 C2 H4 109.137
H3 C2 H5 109.137 H4 C2 H5 109.137
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.352      
2 C -0.784      
3 H 0.144      
4 H 0.144      
5 H 0.144      


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 0.202 0.202
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.322 0.000 0.000
y 0.000 -21.322 0.000
z 0.000 0.000 -27.046
Traceless
 xyz
x 2.862 0.000 0.000
y 0.000 2.862 0.000
z 0.000 0.000 -5.724
Polar
3z2-r2-11.447
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 7.179 0.000 0.000
y 0.000 7.179 0.000
z 0.000 0.000 9.013


<r2> (average value of r2) Å2
<r2> 43.174
(<r2>)1/2 6.571