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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-1818.912739
Energy at 298.15K 
Nuclear repulsion energy76.917690
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 B3PW91/6-31G
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 3049 2920 21.31      
2 A1 1237 1184 0.10      
3 A1 516 494 8.98      
4 E 3153 3020 12.84      
4 E 3153 3020 12.84      
5 E 1473 1410 7.25      
5 E 1473 1410 7.25      
6 E 654 626 3.97      
6 E 654 626 3.96      

Unscaled Zero Point Vibrational Energy (zpe) 7680.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 7355.6 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 B3PW91/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.481
C2 0.000 0.000 -1.476
H3 0.000 1.028 -1.856
H4 0.890 -0.514 -1.856
H5 -0.890 -0.514 -1.856

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4 H5
Zn11.95672.55282.55282.5528
C21.95671.09621.09621.0962
H32.55281.09621.78101.7810
H42.55281.09621.78101.7810
H52.55281.09621.78101.7810

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 110.279 Zn1 C2 H4 110.279
Zn1 C2 H5 110.279 H3 C2 H4 108.651
H3 C2 H5 108.651 H4 C2 H5 108.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.283      
2 C -0.801      
3 H 0.173      
4 H 0.173      
5 H 0.173      


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 -0.340 0.340
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.314 0.000 0.000
y 0.000 -21.314 0.000
z 0.000 0.000 -25.334
Traceless
 xyz
x 2.010 0.000 0.000
y 0.000 2.010 0.000
z 0.000 0.000 -4.020
Polar
3z2-r2-8.040
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 7.042 0.000 0.000
y 0.000 7.044 -0.001
z 0.000 -0.001 8.436


<r2> (average value of r2) Å2
<r2> 47.657
(<r2>)1/2 6.903