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

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-2811.995984
Energy at 298.15K 
HF Energy-2811.688194
Nuclear repulsion energy165.084288
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 MP2/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 3067 2921 13.70 134.46 0.00 0.00
2 A1 1157 1102 1.88 57.05 0.11 0.19
3 A1 609 580 77.91 11.46 0.08 0.15
4 A1 305 291 13.03 17.28 0.19 0.32
5 E 3169 3019 10.15 123.50 0.75 0.86
5 E 3169 3019 10.15 123.50 0.75 0.86
6 E 1448 1379 0.05 3.60 0.75 0.86
6 E 1448 1379 0.05 3.60 0.75 0.86
7 E 579 552 85.74 4.40 0.75 0.86
7 E 579 552 85.74 4.40 0.75 0.86
8 E 104 99 27.99 0.57 0.75 0.86
8 E 104 99 27.99 0.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7869.5 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 7495.7 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 MP2/cc-pVDZ
ABC
5.27274 0.05395 0.05395

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.208
Mg2 0.000 0.000 -1.118
Br3 0.000 0.000 1.243
H4 0.000 1.028 -3.613
H5 0.891 -0.514 -3.613
H6 -0.891 -0.514 -3.613

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.09034.45151.10511.10511.1051
Mg22.09032.36122.69872.69872.6987
Br34.45152.36124.96394.96394.9639
H41.10512.69874.96391.78111.7811
H51.10512.69874.96391.78111.7811
H61.10512.69874.96391.78111.7811

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 111.486
Mg2 C1 H5 111.486 Mg2 C1 H6 111.486
H4 C1 H5 107.384 H4 C1 H6 107.384
H5 C1 H6 107.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability