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

using model chemistry: MP4=FULL/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=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-2812.078068
Energy at 298.15K 
HF Energy-2811.693355
Nuclear repulsion energy164.205404
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=FULL/aug-cc-pVDZ
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 3006 2932        
2 A1 1133 1105        
3 A1 587 573        
4 A1 294 287        
5 E 3098 3021        
5 E 3098 3021        
6 E 1423 1388        
6 E 1423 1388        
7 E 529 516        
7 E 529 516        
8 E 103 100        
8 E 103 100        

Unscaled Zero Point Vibrational Energy (zpe) 7662.9 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 7472.8 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 MP4=FULL/aug-cc-pVDZ
ABC
5.25975 0.05340 0.05340

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.222
Mg2 0.000 0.000 -1.128
Br3 0.000 0.000 1.250
H4 0.000 1.030 -3.628
H5 0.892 -0.515 -3.628
H6 -0.892 -0.515 -3.628

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.09454.47201.10681.10681.1068
Mg22.09452.37762.70432.70432.7043
Br34.47202.37764.98574.98574.9857
H41.10682.70434.98571.78331.7833
H51.10682.70434.98571.78331.7833
H61.10682.70434.98571.78331.7833

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 111.530
Mg2 C1 H5 111.530 Mg2 C1 H6 111.530
H4 C1 H5 107.336 H4 C1 H6 107.336
H5 C1 H6 107.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability