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All results from a given calculation for Zn(CH3)2 (dimethyl zinc)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-1859.347456
Energy at 298.15K-1859.352829
HF Energy-1859.347456
Nuclear repulsion energy163.964805
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 B3LYP/aug-cc-pVTZ
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' 3019 2921 0.00      
2 A1' 1207 1167 0.00      
3 A1' 495 479 0.00      
4 A1" 4 3 0.00      
5 A2" 3017 2919 43.62      
6 A2" 1209 1170 3.00      
7 A2" 598 579 48.17      
8 E' 3087 2987 30.70      
8 E' 3087 2987 30.69      
9 E' 1460 1412 0.97      
9 E' 1460 1412 0.97      
10 E' 716 693 50.62      
10 E' 716 693 50.63      
11 E' 136 132 2.65      
11 E' 136 132 2.65      
12 E" 3087 2987 0.00      
12 E" 3087 2987 0.00      
13 E" 1455 1407 0.00      
13 E" 1455 1407 0.00      
14 E" 625 605 0.00      
14 E" 625 605 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15339.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 14841.3 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 B3LYP/aug-cc-pVTZ
ABC
2.68797 0.13131 0.13131

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.000
C2 0.000 0.000 1.954
C3 0.000 0.000 -1.954
H4 0.000 1.018 2.348
H5 0.000 1.018 -2.348
H6 -0.882 -0.509 2.348
H7 0.882 -0.509 2.348
H8 0.882 -0.509 -2.348
H9 -0.882 -0.509 -2.348

Atom - Atom Distances (Å)
  Zn1 C2 C3 H4 H5 H6 H7 H8 H9
Zn11.95411.95412.55932.55932.55932.55932.55932.5593
C21.95413.90821.09164.42101.09171.09174.42104.4210
C31.95413.90824.42101.09164.42104.42101.09171.0917
H42.55931.09164.42104.69611.76341.76345.01635.0163
H52.55934.42101.09164.69615.01635.01631.76341.7634
H62.55931.09174.42101.76345.01631.76345.01634.6961
H72.55931.09174.42101.76345.01631.76344.69615.0163
H82.55934.42101.09175.01631.76345.01634.69611.7634
H92.55934.42101.09175.01631.76344.69615.01631.7634

picture of dimethyl zinc state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Zn1 C2 H4 111.154 Zn1 C2 H6 111.154
Zn1 C2 H7 111.154 Zn1 C3 H5 111.154
Zn1 C3 H8 111.154 Zn1 C3 H9 111.154
C2 Zn1 C3 180.000 H4 C2 H6 107.738
H4 C2 H7 107.738 H5 C3 H8 107.738
H5 C3 H9 107.738 H6 C2 H7 107.738
H8 C3 H9 107.738
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability