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

using model chemistry: BLYP/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 BLYP/6-311G**
 hartrees
Energy at 0K-2814.203866
Energy at 298.15K 
HF Energy-2814.203866
Nuclear repulsion energy164.189021
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 BLYP/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 A1 2945 2934 24.47 153.55 0.00 0.00
2 A1 1139 1134 5.23 84.17 0.11 0.20
3 A1 581 579 70.07 14.25 0.10 0.18
4 A1 285 284 15.54 26.90 0.20 0.34
5 E 3016 3004 14.92 139.61 0.75 0.86
5 E 3016 3004 14.92 139.62 0.75 0.86
6 E 1423 1418 0.01 2.34 0.75 0.86
6 E 1423 1418 0.01 2.34 0.75 0.86
7 E 597 594 69.72 3.83 0.75 0.86
7 E 597 594 69.72 3.83 0.75 0.86
8 E 104 104 22.01 0.67 0.75 0.86
8 E 104 104 22.01 0.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7615.0 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 7585.3 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 BLYP/6-311G**
ABC
5.29439 0.05335 0.05335

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.225
Mg2 0.000 0.000 -1.129
Br3 0.000 0.000 1.250
H4 0.000 1.026 -3.623
H5 0.889 -0.513 -3.623
H6 -0.889 -0.513 -3.623

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.09674.47581.10041.10041.1004
Mg22.09672.37912.69692.69692.6969
Br34.47582.37914.98004.98004.9800
H41.10042.69694.98001.77751.7775
H51.10042.69694.98001.77751.7775
H61.10042.69694.98001.77751.7775

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 111.165
Mg2 C1 H5 111.165 Mg2 C1 H6 111.165
H4 C1 H5 107.726 H4 C1 H6 107.726
H5 C1 H6 107.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.612      
2 Mg 0.619      
3 Br -0.368      
4 H 0.120      
5 H 0.120      
6 H 0.120      


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 -2.338 2.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.046 0.000 0.000
y 0.000 -35.046 0.000
z 0.000 0.000 -43.318
Traceless
 xyz
x 4.136 0.000 0.000
y 0.000 4.136 0.000
z 0.000 0.000 -8.272
Polar
3z2-r2-16.543
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 6.557 0.000 0.000
y 0.000 6.557 0.000
z 0.000 0.000 12.495


<r2> (average value of r2) Å2
<r2> 198.574
(<r2>)1/2 14.092