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

using model chemistry: CCSD=FULL/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 CCSD=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-2812.071662
Energy at 298.15K 
HF Energy-2811.694184
Nuclear repulsion energy164.450624
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=FULL/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 3014 3014 29.28      
2 A1 1147 1147 2.46      
3 A1 591 591 81.69      
4 A1 296 296 12.87      
5 E 3099 3099 19.89      
5 E 3099 3099 19.89      
6 E 1437 1437 0.28      
6 E 1437 1437 0.28      
7 E 527 527 73.57      
7 E 527 527 73.57      
8 E 101 101 28.52      
8 E 101 101 28.52      

Unscaled Zero Point Vibrational Energy (zpe) 7687.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7687.4 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=FULL/daug-cc-pVDZ
ABC
5.28231 0.05356 0.05356

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.216
Mg2 0.000 0.000 -1.126
Br3 0.000 0.000 1.248
H4 0.000 1.027 -3.625
H5 0.890 -0.514 -3.625
H6 -0.890 -0.514 -3.625

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.09064.46461.10561.10561.1056
Mg22.09062.37402.70212.70212.7021
Br34.46462.37404.98034.98034.9803
H41.10562.70214.98031.77951.7795
H51.10562.70214.98031.77951.7795
H61.10562.70214.98031.77951.7795

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 111.687
Mg2 C1 H5 111.687 Mg2 C1 H6 111.687
H4 C1 H5 107.167 H4 C1 H6 107.167
H5 C1 H6 107.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability