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

using model chemistry: wB97X-D/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 wB97X-D/6-311G*
 hartrees
Energy at 0K-2814.226284
Energy at 298.15K 
HF Energy-2814.226284
Nuclear repulsion energy165.814258
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 wB97X-D/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 609 609 89.13 4.09 0.75 0.86
2 ?a 609 609 89.16 4.09 0.75 0.86
3 ?a 603 603 89.05 12.82 0.11 0.19
4 A1 3028 3028 28.66 117.73 0.00 0.00
5 A1 1216 1216 0.24 72.73 0.11 0.20
5 A1 300 300 15.72 16.31 0.18 0.31
6 E 3105 3105 16.99 132.12 0.75 0.86
6 E 3105 3105 17.04 132.14 0.75 0.86
7 E 1484 1484 0.37 2.54 0.75 0.86
7 E 1484 1484 0.37 2.55 0.75 0.86
8 E 107 107 31.31 0.45 0.75 0.86
8 E 107 107 31.32 0.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7878.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7878.4 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 wB97X-D/6-311G*
ABC
5.41127 0.05443 0.05443

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.190
Mg2 0.000 0.000 -1.116
Br3 0.000 0.000 1.238
H4 0.000 1.015 -3.602
H5 0.879 -0.508 -3.602
H6 -0.879 -0.508 -3.602

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.07404.42791.09541.09541.0954
Mg22.07402.35402.68502.68502.6850
Br34.42792.35404.94504.94504.9450
H41.09542.68504.94501.75811.7581
H51.09542.68504.94501.75811.7582
H61.09542.68504.94501.75811.7582

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 112.080
Mg2 C1 H5 112.080 Mg2 C1 H6 112.080
H4 C1 H5 106.741 H4 C1 H6 106.741
H5 C1 H6 106.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.066      
2 Mg 0.759      
3 Br -0.395      
4 H 0.234      
5 H 0.234      
6 H 0.234      


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 -2.253 2.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.460 0.000 0.000
y 0.000 -34.460 0.000
z 0.000 0.000 -44.358
Traceless
 xyz
x 4.949 0.000 0.000
y 0.000 4.949 0.000
z 0.000 0.000 -9.898
Polar
3z2-r2-19.796
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 6.145 0.000 0.000
y 0.000 6.145 0.000
z 0.000 0.000 10.706


<r2> (average value of r2) Å2
<r2> 195.234
(<r2>)1/2 13.973