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

using model chemistry: CCD/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-2812.265810
Energy at 298.15K 
HF Energy-2811.786337
Nuclear repulsion energy165.864018
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/aug-cc-pVTZ
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 3036 2905 22.83      
2 A1 1178 1127 0.17      
3 A1 611 585 84.75      
4 A1 304 291 14.19      
5 E 3117 2983 14.23      
5 E 3117 2983 14.23      
6 E 1475 1412 0.13      
6 E 1475 1412 0.13      
7 E 580 555 74.41      
7 E 580 555 74.41      
8 E 104 100 30.91      
8 E 104 100 30.91      

Unscaled Zero Point Vibrational Energy (zpe) 7839.7 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 7502.6 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/aug-cc-pVTZ
ABC
5.39368 0.05441 0.05441

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

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 -1.113
Br3 0.000 0.000 1.238
H4 0.000 1.017 -3.596
H5 0.881 -0.508 -3.596
H6 -0.881 -0.508 -3.596

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08244.43341.09281.09281.0928
Mg22.08242.35102.68322.68322.6832
Br34.43342.35104.93994.93994.9399
H41.09282.68324.93991.76101.7610
H51.09282.68324.93991.76101.7610
H61.09282.68324.93991.76101.7610

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 111.511
Mg2 C1 H5 111.511 Mg2 C1 H6 111.511
H4 C1 H5 107.357 H4 C1 H6 107.357
H5 C1 H6 107.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability