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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-2813.598885
Energy at 298.15K 
HF Energy-2813.492420
Nuclear repulsion energy165.464272
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 B2PLYP=FULL/cc-pVDZ
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 3042 2915 18.77 135.43 0.00 0.00
2 A1 1154 1106 3.39 58.77 0.11 0.20
3 A1 607 581 71.48 12.56 0.09 0.17
4 A1 302 289 13.84 20.23 0.20 0.33
5 E 3132 3002 11.29 132.64 0.75 0.86
5 E 3132 3002 11.29 132.65 0.75 0.86
6 E 1442 1382 0.02 3.75 0.75 0.86
6 E 1442 1382 0.02 3.75 0.75 0.86
7 E 586 562 80.63 4.12 0.75 0.86
7 E 586 562 80.63 4.12 0.75 0.86
8 E 104 100 24.70 0.66 0.75 0.86
8 E 104 100 24.70 0.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7814.9 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 7490.6 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 B2PLYP=FULL/cc-pVDZ
ABC
5.28200 0.05424 0.05424

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.198
Mg2 0.000 0.000 -1.118
Br3 0.000 0.000 1.240
H4 0.000 1.027 -3.599
H5 0.890 -0.514 -3.599
H6 -0.890 -0.514 -3.599

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08054.43841.10291.10291.1029
Mg22.08052.35792.68582.68582.6858
Br34.43842.35794.94734.94734.9473
H41.10292.68584.94731.77951.7795
H51.10292.68584.94731.77951.7795
H61.10292.68584.94731.77951.7795

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 111.323
Mg2 C1 H5 111.323 Mg2 C1 H6 111.323
H4 C1 H5 107.558 H4 C1 H6 107.558
H5 C1 H6 107.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability