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

using model chemistry: MP2/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-2812.021071
Energy at 298.15K 
HF Energy-2811.693456
Nuclear repulsion energy164.131242
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/aug-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 3045 2920 17.65 202.30 0.00 0.00
2 A1 1139 1092 0.93 106.45 0.19 0.32
3 A1 602 578 85.61 12.76 0.14 0.25
4 A1 296 284 14.08 22.73 0.14 0.25
5 E 3143 3015 12.71 103.03 0.75 0.86
5 E 3143 3015 12.71 103.03 0.75 0.86
6 E 1430 1371 0.24 0.23 0.75 0.86
6 E 1430 1371 0.24 0.23 0.75 0.86
7 E 565 542 71.39 8.14 0.75 0.86
7 E 565 542 71.39 8.14 0.75 0.86
8 E 105 101 29.85 1.30 0.75 0.86
8 E 105 101 29.85 1.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7784.1 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 7465.0 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 MP2/aug-cc-pVDZ
ABC
5.28059 0.05332 0.05332

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.226
Mg2 0.000 0.000 -1.128
Br3 0.000 0.000 1.251
H4 0.000 1.028 -3.630
H5 0.890 -0.514 -3.630
H6 -0.890 -0.514 -3.630

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.09814.47651.10411.10411.1041
Mg22.09812.37852.70492.70492.7049
Br34.47652.37854.98764.98764.9876
H41.10412.70494.98761.77981.7798
H51.10412.70494.98761.77981.7798
H61.10412.70494.98761.77981.7798

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 111.466
Mg2 C1 H5 111.466 Mg2 C1 H6 111.466
H4 C1 H5 107.405 H4 C1 H6 107.405
H5 C1 H6 107.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability