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

using model chemistry: MP4/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-2812.059983
Energy at 298.15K 
HF Energy-2811.693269
Nuclear repulsion energy163.940047
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 MP4/6-31G*
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 3041 2971        
2 A1 1225 1197        
3 A1 610 596        
4 A1 307 300        
5 E 3129 3057        
5 E 3129 3057        
6 E 1508 1473        
6 E 1508 1473        
7 E 616 602        
7 E 616 602        
8 E 125 122        
8 E 125 122        

Unscaled Zero Point Vibrational Energy (zpe) 7970.0 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 7785.9 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 MP4/aug-cc-pVDZ
ABC
5.25070 0.05319 0.05319

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.231
Mg2 0.000 0.000 -1.127
Br3 0.000 0.000 1.252
H4 0.000 1.030 -3.638
H5 0.892 -0.515 -3.638
H6 -0.892 -0.515 -3.638

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.10324.48261.10801.10801.1080
Mg22.10322.37942.71362.71362.7136
Br34.48262.37944.99714.99714.9971
H41.10802.71364.99711.78481.7848
H51.10802.71364.99711.78481.7848
H61.10802.71364.99711.78481.7848

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 111.557
Mg2 C1 H5 111.557 Mg2 C1 H6 111.557
H4 C1 H5 107.307 H4 C1 H6 107.307
H5 C1 H6 107.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability