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

using model chemistry: CCD/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 CCD/Def2TZVPP
 hartrees
Energy at 0K-2812.244426
Energy at 298.15K 
HF Energy-2811.732673
Nuclear repulsion energy165.752838
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/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 3045 3045 21.75      
2 A1 1179 1179 0.06      
3 A1 611 611 84.27      
4 A1 302 302 14.40      
5 E 3126 3126 14.13      
5 E 3126 3126 14.13      
6 E 1469 1469 0.09      
6 E 1469 1469 0.09      
7 E 580 580 76.82      
7 E 580 580 76.82      
8 E 102 102 30.97      
8 E 102 102 30.97      

Unscaled Zero Point Vibrational Energy (zpe) 7844.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7844.8 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/Def2TZVPP
ABC
5.41167 0.05435 0.05435

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.196
Mg2 0.000 0.000 -1.116
Br3 0.000 0.000 1.239
H4 0.000 1.015 -3.598
H5 0.879 -0.508 -3.598
H6 -0.879 -0.508 -3.598

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08044.43471.09171.09171.0917
Mg22.08042.35432.68172.68172.6817
Br34.43472.35434.94194.94194.9419
H41.09172.68174.94191.75811.7581
H51.09172.68174.94191.75811.7581
H61.09172.68174.94191.75811.7581

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 111.598
Mg2 C1 H5 111.598 Mg2 C1 H6 111.598
H4 C1 H5 107.264 H4 C1 H6 107.264
H5 C1 H6 107.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability