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

using model chemistry: QCISD(T)=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD(T)=FULL/6-31+G**
 hartrees
Energy at 0K-2809.571642
Energy at 298.15K 
HF Energy-2809.201116
Nuclear repulsion energy165.624815
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 QCISD(T)=FULL/6-31+G**
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 3064 3064        
2 A1 1199 1199        
3 A1 610 610        
4 A1 303 303        
5 E 3159 3159        
5 E 3159 3159        
6 E 1488 1488        
6 E 1488 1488        
7 E 610 610        
7 E 609 609        
8 E 161 161        
8 E 161 161        

Unscaled Zero Point Vibrational Energy (zpe) 8005.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8005.3 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 QCISD(T)=FULL/6-31+G**
ABC
5.35588 0.05425 0.05425

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.202
Mg2 0.000 0.000 -1.115
Br3 0.000 0.000 1.239
H4 0.000 1.020 -3.595
H5 0.884 -0.510 -3.595
H6 -0.884 -0.510 -3.595

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08654.44131.09331.09331.0933
Mg22.08652.35482.68112.68112.6811
Br34.44132.35484.94074.94074.9407
H41.09332.68114.94071.76721.7672
H51.09332.68114.94071.76721.7672
H61.09332.68114.94071.76721.7672

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 111.059
Mg2 C1 H5 111.059 Mg2 C1 H6 111.059
H4 C1 H5 107.838 H4 C1 H6 107.838
H5 C1 H6 107.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability