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

using model chemistry: CCSD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-2812.022299
Energy at 298.15K 
HF Energy-2811.681023
Nuclear repulsion energy165.460128
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 CCSD/6-311G**
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 3034 3034 25.86      
2 A1 1197 1197 1.83      
3 A1 610 610 78.12      
4 A1 306 306 14.40      
5 E 3113 3113 18.84      
5 E 3113 3113 18.84      
6 E 1470 1470 0.02      
6 E 1470 1470 0.02      
7 E 594 594 81.00      
7 E 594 594 81.00      
8 E 109 109 29.79      
8 E 109 109 29.79      

Unscaled Zero Point Vibrational Energy (zpe) 7859.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7859.9 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 CCSD/6-311G**
ABC
5.34696 0.05415 0.05415

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.203
Mg2 0.000 0.000 -1.115
Br3 0.000 0.000 1.241
H4 0.000 1.021 -3.606
H5 0.884 -0.511 -3.606
H6 -0.884 -0.511 -3.606

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08804.44391.09771.09771.0977
Mg22.08802.35602.69202.69202.6920
Br34.44392.35604.95314.95314.9531
H41.09772.69204.95311.76871.7687
H51.09772.69204.95311.76871.7687
H61.09772.69204.95311.76871.7687

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 111.526
Mg2 C1 H5 111.526 Mg2 C1 H6 111.526
H4 C1 H5 107.340 H4 C1 H6 107.340
H5 C1 H6 107.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability