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

using model chemistry: CID/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CID/6-31G
 hartrees
Energy at 0K-2809.192982
Energy at 298.15K 
HF Energy-2809.040319
Nuclear repulsion energy163.190777
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 CID/6-31G
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 3040 2843 31.88      
2 A1 1293 1209 0.47      
3 A1 613 573 41.84      
4 A1 298 279 12.93      
5 E 3125 2923 21.29      
5 E 3125 2923 21.29      
6 E 1527 1428 0.35      
6 E 1527 1428 0.35      
7 E 667 623 109.56      
7 E 667 623 109.56      
8 E 132 123 30.72      
8 E 132 123 30.72      

Unscaled Zero Point Vibrational Energy (zpe) 8072.9 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 7549.8 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 CID/6-31G
ABC
5.28390 0.05278 0.05278

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.236
Mg2 0.000 0.000 -1.144
Br3 0.000 0.000 1.258
H4 0.000 1.027 -3.633
H5 0.890 -0.514 -3.633
H6 -0.890 -0.514 -3.633

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.09254.49461.10121.10121.1012
Mg22.09252.40212.69282.69282.6928
Br34.49462.40214.99804.99804.9980
H41.10122.69284.99801.77921.7792
H51.10122.69284.99801.77921.7792
H61.10122.69284.99801.77921.7792

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 111.115
Mg2 C1 H5 111.115 Mg2 C1 H6 111.115
H4 C1 H5 107.779 H4 C1 H6 107.779
H5 C1 H6 107.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability