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All results from a given calculation for CH3MgBr (Methyl Magnesium Bromide)

using model chemistry: CCD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-2812.020665
Energy at 298.15K 
HF Energy-2811.681038
Nuclear repulsion energy165.534898
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 CCD/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3042 2906 25.21      
2 A1 1201 1147 1.26      
3 A1 612 585 80.22      
4 A1 307 293 14.64      
5 E 3125 2985 17.19      
5 E 3125 2985 17.19      
6 E 1472 1406 0.01      
6 E 1472 1406 0.01      
7 E 596 569 82.18      
7 E 596 569 82.18      
8 E 109 105 30.47      
8 E 109 105 30.47      

Unscaled Zero Point Vibrational Energy (zpe) 7883.6 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 7529.6 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 CCD/6-311G**
ABC
5.35360 0.05420 0.05420

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.202
Mg2 0.000 0.000 -1.115
Br3 0.000 0.000 1.240
H4 0.000 1.021 -3.605
H5 0.884 -0.510 -3.605
H6 -0.884 -0.510 -3.605

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08684.44171.09721.09721.0972
Mg22.08682.35502.69082.69082.6908
Br34.44172.35504.95114.95114.9511
H41.09722.69084.95111.76761.7676
H51.09722.69084.95111.76761.7676
H61.09722.69084.95111.76761.7676

picture of Methyl Magnesium Bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 Mg2 Br3 180.000 Mg2 C1 H4 111.551
Mg2 C1 H5 111.551 Mg2 C1 H6 111.551
H4 C1 H5 107.314 H4 C1 H6 107.314
H5 C1 H6 107.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability