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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G**
 hartrees
Energy at 0K-2811.128499
Energy at 298.15K 
HF Energy-2811.020000
Nuclear repulsion energy166.553323
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=FULLultrafine/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 3073 3073 15.44 110.48 0.00 0.00
2 A1 1207 1207 5.49 55.35 0.08 0.15
3 A1 614 614 67.08 11.22 0.08 0.15
4 A1 308 308 13.21 20.04 0.18 0.31
5 E 3159 3159 13.38 119.98 0.75 0.86
5 E 3159 3159 13.38 119.98 0.75 0.86
6 E 1499 1499 0.18 4.40 0.75 0.86
6 E 1499 1499 0.18 4.40 0.75 0.86
7 E 618 618 85.14 2.57 0.75 0.86
7 E 618 618 85.14 2.57 0.75 0.86
8 E 127 127 23.85 0.54 0.75 0.86
8 E 127 127 23.85 0.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8003.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8003.5 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=FULLultrafine/6-31G**
ABC
5.38827 0.05485 0.05485

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.185
Mg2 0.000 0.000 -1.106
Br3 0.000 0.000 1.232
H4 0.000 1.017 -3.583
H5 0.881 -0.509 -3.583
H6 -0.881 -0.509 -3.583

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.07924.41751.09241.09241.0924
Mg22.07922.33832.67822.67822.6782
Br34.41752.33834.92204.92204.9220
H41.09242.67824.92201.76191.7619
H51.09242.67824.92201.76191.7619
H61.09242.67824.92201.76191.7619

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 111.380
Mg2 C1 H5 111.380 Mg2 C1 H6 111.380
H4 C1 H5 107.497 H4 C1 H6 107.497
H5 C1 H6 107.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability