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

using model chemistry: MP2/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-2812.245026
Energy at 298.15K 
HF Energy-2811.786486
Nuclear repulsion energy165.847810
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/daug-cc-pVTZ
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 3054 3054 14.17 202.69 0.00 0.00
2 A1 1156 1156 0.04 98.06 0.20 0.33
3 A1 610 610 87.13 11.01 0.16 0.28
4 A1 303 303 13.76 21.96 0.12 0.21
5 E 3147 3147 10.11 98.48 0.75 0.86
5 E 3147 3147 10.11 98.48 0.75 0.86
6 E 1464 1464 0.15 0.22 0.75 0.86
6 E 1464 1464 0.15 0.22 0.75 0.86
7 E 575 575 72.00 8.10 0.75 0.86
7 E 575 575 72.00 8.10 0.75 0.86
8 E 104 104 30.39 1.43 0.75 0.86
8 E 104 104 30.39 1.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7851.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7851.2 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/daug-cc-pVTZ
ABC
5.39883 0.05439 0.05439

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.196
Mg2 0.000 0.000 -1.114
Br3 0.000 0.000 1.238
H4 0.000 1.016 -3.595
H5 0.880 -0.508 -3.595
H6 -0.880 -0.508 -3.595

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08274.43441.09151.09151.0915
Mg22.08272.35172.68112.68112.6811
Br34.43442.35174.93844.93844.9384
H41.09152.68114.93841.76021.7602
H51.09152.68114.93841.76021.7602
H61.09152.68114.93841.76021.7602

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 111.402
Mg2 C1 H5 111.402 Mg2 C1 H6 111.402
H4 C1 H5 107.474 H4 C1 H6 107.474
H5 C1 H6 107.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability