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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-1818.921783
Energy at 298.15K 
Nuclear repulsion energy77.120186
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 3052 2920 15.21      
2 A1 1212 1159 3.42      
3 A1 528 505 11.03      
4 E 3143 3007 11.36      
4 E 3143 3007 11.36      
5 E 1457 1394 5.39      
5 E 1457 1394 5.39      
6 E 623 596 2.57      
6 E 623 596 2.56      

Unscaled Zero Point Vibrational Energy (zpe) 7618.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 7288.3 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 0.480
C2 0.000 0.000 -1.469
H3 0.000 1.025 -1.858
H4 0.888 -0.513 -1.858
H5 -0.888 -0.513 -1.858

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4 H5
Zn11.94882.55222.55222.5522
C21.94881.09631.09631.0963
H32.55221.09631.77571.7757
H42.55221.09631.77571.7757
H52.55221.09631.77571.7757

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 110.753 Zn1 C2 H4 110.753
Zn1 C2 H5 110.753 H3 C2 H4 108.160
H3 C2 H5 108.160 H4 C2 H5 108.160
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 -0.838      
3 H 0.185      
4 H 0.185      
5 H 0.185      


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 -0.343 0.343
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.284 0.000 0.000
y 0.000 -21.284 0.000
z 0.000 0.000 -25.347
Traceless
 xyz
x 2.031 0.000 0.000
y 0.000 2.031 0.000
z 0.000 0.000 -4.062
Polar
3z2-r2-8.125
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 7.073 0.000 0.000
y 0.000 7.076 -0.001
z 0.000 -0.001 8.531


<r2> (average value of r2) Å2
<r2> 47.497
(<r2>)1/2 6.892