return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: QCISD/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-2812.270625
Energy at 298.15K 
HF Energy-2811.786441
Nuclear repulsion energy165.839630
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/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/daug-cc-pVTZ
ABC
5.38763 0.05439 0.05439

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.196
Mg2 0.000 0.000 -1.113
Br3 0.000 0.000 1.238
H4 0.000 1.017 -3.597
H5 0.881 -0.509 -3.597
H6 -0.881 -0.509 -3.597

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08324.43421.09351.09351.0935
Mg22.08322.35102.68452.68452.6845
Br34.43422.35104.94124.94124.9412
H41.09352.68454.94121.76201.7620
H51.09352.68454.94121.76201.7620
H61.09352.68454.94121.76201.7620

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 111.518
Mg2 C1 H5 111.518 Mg2 C1 H6 111.518
H4 C1 H5 107.350 H4 C1 H6 107.350
H5 C1 H6 107.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability