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

using model chemistry: M06-2X/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-2811.953912
Energy at 298.15K 
HF Energy-2811.953912
Nuclear repulsion energy167.593408
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 M06-2X/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 ?a 627 597 71.36 9.49 0.13 0.23
2 ?a 584 556 81.13 0.77 0.75 0.86
3 ?a 584 556 81.35 0.80 0.75 0.86
4 A1 3060 2914 9.88 117.90 0.00 0.00
5 A1 1160 1105 3.05 43.38 0.20 0.33
5 A1 312 297 12.48 19.22 0.15 0.27
6 E 3148 2998 8.49 112.22 0.75 0.86
6 E 3148 2998 8.43 112.57 0.75 0.86
7 E 1456 1387 0.19 4.80 0.75 0.86
7 E 1456 1387 0.19 4.79 0.75 0.86
8 E 114 109 22.65 0.96 0.75 0.86
8 E 114 109 22.68 0.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7881.6 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 7506.5 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 M06-2X/6-31G(2df,p)
ABC
5.37368 0.05561 0.05561

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.162
Mg2 0.000 0.000 -1.100
Br3 0.000 0.000 1.224
H4 0.000 1.019 -3.559
H5 0.882 -0.509 -3.559
H6 -0.882 -0.509 -3.559

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.06254.38601.09321.09321.0932
Mg22.06252.32362.66202.66202.6620
Br34.38602.32364.89024.89024.8902
H41.09322.66204.89021.76431.7643
H51.09322.66204.89021.76431.7643
H61.09322.66204.89021.76431.7643

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 111.289
Mg2 C1 H5 111.289 Mg2 C1 H6 111.289
H4 C1 H5 107.594 H4 C1 H6 107.594
H5 C1 H6 107.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.634      
2 Mg 0.346      
3 Br -0.149      
4 H 0.146      
5 H 0.146      
6 H 0.146      


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 -2.146 2.146
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.338 0.000 0.000
y 0.000 -34.338 0.000
z 0.000 0.000 -41.469
Traceless
 xyz
x 3.565 0.000 0.000
y 0.000 3.565 0.000
z 0.000 0.000 -7.131
Polar
3z2-r2-14.261
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 6.970 0.000 0.000
y 0.000 6.970 0.001
z 0.000 0.001 10.708


<r2> (average value of r2) Å2
<r2> 190.979
(<r2>)1/2 13.820