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

using model chemistry: M06-2X/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 M06-2X/6-311G**
 hartrees
Energy at 0K-2814.201275
Energy at 298.15K 
HF Energy-2814.201275
Nuclear repulsion energy166.421708
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 ?a 622 622 78.55 12.80 0.14 0.25
2 ?a 605 605 79.98 2.34 0.75 0.86
3 ?a 605 605 80.13 2.41 0.75 0.86
4 A1 3058 3058 15.35 143.50 0.00 0.00
5 A1 1171 1171 0.24 70.99 0.18 0.31
5 A1 305 305 16.99 19.08 0.20 0.34
6 E 3141 3141 6.85 120.60 0.75 0.86
6 E 3141 3141 6.86 120.86 0.75 0.86
7 E 1458 1458 0.27 2.54 0.75 0.86
7 E 1458 1458 0.27 2.53 0.75 0.86
8 E 104 104 27.34 0.76 0.75 0.86
8 E 104 104 27.37 0.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7885.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7885.9 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/6-311G**
ABC
5.37388 0.05484 0.05484

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.181
Mg2 0.000 0.000 -1.112
Br3 0.000 0.000 1.233
H4 0.000 1.019 -3.576
H5 0.882 -0.509 -3.576
H6 -0.882 -0.509 -3.576

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.06914.41441.09241.09241.0924
Mg22.06912.34532.66622.66622.6662
Br34.41442.34534.91594.91594.9159
H41.09242.66624.91591.76431.7643
H51.09242.66624.91591.76431.7643
H61.09242.66624.91591.76431.7643

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 111.188
Mg2 C1 H5 111.188 Mg2 C1 H6 111.188
H4 C1 H5 107.701 H4 C1 H6 107.701
H5 C1 H6 107.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.747      
2 Mg 0.663      
3 Br -0.377      
4 H 0.154      
5 H 0.154      
6 H 0.154      


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 -2.371 2.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.634 0.000 0.000
y 0.000 -34.634 0.000
z 0.000 0.000 -43.401
Traceless
 xyz
x 4.383 0.000 0.000
y 0.000 4.383 0.000
z 0.000 0.000 -8.767
Polar
3z2-r2-17.533
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 6.071 0.000 0.000
y 0.000 6.069 0.002
z 0.000 0.002 11.101


<r2> (average value of r2) Å2
<r2> 193.720
(<r2>)1/2 13.918