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

using model chemistry: CID/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 CID/6-311G*
 hartrees
Energy at 0K-2811.965708
Energy at 298.15K 
HF Energy-2811.675878
Nuclear repulsion energy165.665481
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/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 3075 2857 26.60      
2 A1 1251 1162 0.03      
3 A1 620 576 82.24      
4 A1 308 286 15.84      
5 E 3154 2930 17.05      
5 E 3154 2930 17.05      
6 E 1519 1412 0.41      
6 E 1519 1412 0.41      
7 E 613 569 91.11      
7 E 613 569 91.11      
8 E 111 103 31.75      
8 E 111 103 31.75      

Unscaled Zero Point Vibrational Energy (zpe) 8023.6 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 7454.7 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/6-311G*
ABC
5.41884 0.05429 0.05429

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.197
Mg2 0.000 0.000 -1.115
Br3 0.000 0.000 1.239
H4 0.000 1.014 -3.605
H5 0.878 -0.507 -3.605
H6 -0.878 -0.507 -3.605

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08164.43641.09331.09331.0933
Mg22.08162.35482.68812.68812.6881
Br34.43642.35484.94934.94934.9493
H41.09332.68814.94931.75691.7569
H51.09332.68814.94931.75691.7569
H61.09332.68814.94931.75691.7569

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 111.903
Mg2 C1 H5 111.903 Mg2 C1 H6 111.903
H4 C1 H5 106.934 H4 C1 H6 106.934
H5 C1 H6 106.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability