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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-311G*
 hartrees
Energy at 0K-2813.744611
Energy at 298.15K 
HF Energy-2813.487517
Nuclear repulsion energy165.685521
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/6-311G*
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 3039 3039 24.74 129.97 0.00 0.00
2 A1 1212 1212 0.61 85.36 0.11 0.20
3 A1 608 608 75.91 12.88 0.10 0.19
4 A1 302 302 15.71 20.68 0.20 0.34
5 E 3116 3116 16.73 133.31 0.75 0.86
5 E 3116 3116 16.73 133.31 0.75 0.86
6 E 1495 1495 0.24 2.44 0.75 0.86
6 E 1495 1495 0.24 2.44 0.75 0.86
7 E 612 612 81.28 3.90 0.75 0.86
7 E 612 612 81.29 3.90 0.75 0.86
8 E 110 110 27.00 0.54 0.75 0.86
8 E 110 110 27.00 0.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7912.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7912.4 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/6-311G*
ABC
5.39628 0.05431 0.05431

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.197
Mg2 0.000 0.000 -1.116
Br3 0.000 0.000 1.239
H4 0.000 1.016 -3.600
H5 0.880 -0.508 -3.600
H6 -0.880 -0.508 -3.600

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08094.43601.09331.09331.0933
Mg22.08092.35502.68362.68362.6836
Br34.43602.35504.94434.94434.9443
H41.09332.68364.94431.76061.7606
H51.09332.68364.94431.76061.7606
H61.09332.68364.94431.76061.7606

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 111.613
Mg2 C1 H5 111.613 Mg2 C1 H6 111.613
H4 C1 H5 107.247 H4 C1 H6 107.247
H5 C1 H6 107.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability