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

using model chemistry: MP4/daug-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/daug-cc-pVDZ
 hartrees
Energy at 0K-2812.062943
Energy at 298.15K 
HF Energy-2811.694030
Nuclear repulsion energy164.035362
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/daug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2995 2995        
2 A1 1143 1143        
3 A1 599 599        
4 A1 295 295        
5 E 3085 3085        
5 E 3085 3085        
6 E 1429 1429        
6 E 1429 1429        
7 E 567 567        
7 E 567 567        
8 E 104 104        
8 E 104 104        

Unscaled Zero Point Vibrational Energy (zpe) 7700.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7700.5 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/daug-cc-pVDZ
ABC
5.25302 0.05325 0.05325

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.229
Mg2 0.000 0.000 -1.126
Br3 0.000 0.000 1.251
H4 0.000 1.030 -3.637
H5 0.892 -0.515 -3.637
H6 -0.892 -0.515 -3.637

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.10264.48001.10821.10821.1082
Mg22.10262.37752.71402.71402.7140
Br34.48002.37754.99574.99574.9957
H41.10822.71404.99571.78441.7844
H51.10822.71404.99571.78441.7844
H61.10822.71404.99571.78441.7844

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 111.617
Mg2 C1 H5 111.617 Mg2 C1 H6 111.617
H4 C1 H5 107.242 H4 C1 H6 107.242
H5 C1 H6 107.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability