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

using model chemistry: CID/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CID/Def2TZVPP
 hartrees
Energy at 0K-2812.185960
Energy at 298.15K 
HF Energy-2811.732698
Nuclear repulsion energy166.172000
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 CID/Def2TZVPP
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 3110 3110 21.37      
2 A1 1210 1210 0.28      
3 A1 621 621 89.86      
4 A1 306 306 14.85      
5 E 3190 3190 15.00      
5 E 3190 3190 15.00      
6 E 1503 1503 0.03      
6 E 1503 1503 0.03      
7 E 587 587 78.54      
7 E 587 587 78.54      
8 E 104 104 33.04      
8 E 104 104 33.04      

Unscaled Zero Point Vibrational Energy (zpe) 8006.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8006.0 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 CID/Def2TZVPP
ABC
5.46772 0.05461 0.05461

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.188
Mg2 0.000 0.000 -1.114
Br3 0.000 0.000 1.236
H4 0.000 1.010 -3.588
H5 0.875 -0.505 -3.588
H6 -0.875 -0.505 -3.588

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.07434.42371.08611.08611.0861
Mg22.07432.34942.67232.67232.6723
Br34.42372.34944.92814.92814.9281
H41.08612.67234.92811.74911.7491
H51.08612.67234.92811.74911.7491
H61.08612.67234.92811.74911.7491

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 111.601
Mg2 C1 H5 111.601 Mg2 C1 H6 111.601
H4 C1 H5 107.260 H4 C1 H6 107.260
H5 C1 H6 107.260
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability