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

using model chemistry: QCISD/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 QCISD/6-311G**
 hartrees
Energy at 0K-2812.022700
Energy at 298.15K 
HF Energy-2811.681017
Nuclear repulsion energy165.432149
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/6-311G**
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 3030 2891 26.33      
2 A1 1197 1142 1.98      
3 A1 610 582 77.67      
4 A1 306 292 14.24      
5 E 3110 2968 19.25      
5 E 3110 2968 19.25      
6 E 1470 1402 0.02      
6 E 1470 1402 0.02      
7 E 594 566 80.56      
7 E 594 566 80.56      
8 E 109 104 29.61      
8 E 109 104 29.61      

Unscaled Zero Point Vibrational Energy (zpe) 7853.4 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 7493.0 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/6-311G**
ABC
5.34460 0.05413 0.05413

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.204
Mg2 0.000 0.000 -1.115
Br3 0.000 0.000 1.241
H4 0.000 1.021 -3.607
H5 0.885 -0.511 -3.607
H6 -0.885 -0.511 -3.607

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08844.44481.09791.09791.0979
Mg22.08842.35632.69242.69242.6924
Br34.44482.35634.95404.95404.9540
H41.09792.69244.95401.76911.7691
H51.09792.69244.95401.76911.7691
H61.09792.69244.95401.76911.7691

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 111.521
Mg2 C1 H5 111.521 Mg2 C1 H6 111.521
H4 C1 H5 107.346 H4 C1 H6 107.346
H5 C1 H6 107.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability