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

using model chemistry: CCD/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 CCD/6-311G*
 hartrees
Energy at 0K-2811.996360
Energy at 298.15K 
HF Energy-2811.675769
Nuclear repulsion energy165.473401
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 CCD/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 3024 2888 25.70      
2 A1 1227 1172 0.22      
3 A1 613 585 76.93      
4 A1 306 292 15.22      
5 E 3106 2967 15.20      
5 E 3106 2967 15.20      
6 E 1493 1426 0.35      
6 E 1493 1426 0.35      
7 E 608 581 90.68      
7 E 608 581 90.68      
8 E 109 104 29.50      
8 E 109 104 29.50      

Unscaled Zero Point Vibrational Energy (zpe) 7902.2 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 7547.4 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 CCD/6-311G*
ABC
5.37111 0.05416 0.05416

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.202
Mg2 0.000 0.000 -1.115
Br3 0.000 0.000 1.241
H4 0.000 1.019 -3.610
H5 0.882 -0.509 -3.610
H6 -0.882 -0.509 -3.610

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08624.44221.09751.09751.0975
Mg22.08622.35602.69432.69432.6943
Br34.44222.35604.95624.95624.9562
H41.09752.69434.95621.76471.7647
H51.09752.69434.95621.76471.7647
H61.09752.69434.95621.76471.7647

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 111.828
Mg2 C1 H5 111.828 Mg2 C1 H6 111.828
H4 C1 H5 107.015 H4 C1 H6 107.015
H5 C1 H6 107.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability