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

using model chemistry: MP2=FULL/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=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-2812.344619
Energy at 298.15K 
HF Energy-2811.786230
Nuclear repulsion energy167.480119
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=FULL/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 3088 3088 13.53 198.31 0.00 0.00
2 A1 1156 1156 0.07 98.56 0.20 0.33
3 A1 625 625 87.26 9.14 0.16 0.28
4 A1 312 312 12.68 21.69 0.12 0.21
5 E 3153 3153 9.12 96.08 0.75 0.86
5 E 3153 3153 9.12 96.08 0.75 0.86
6 E 1468 1468 0.08 0.22 0.75 0.86
6 E 1468 1468 0.08 0.22 0.75 0.86
7 E 558 558 73.49 8.08 0.75 0.86
7 E 558 558 73.49 8.08 0.75 0.86
8 E 112 112 28.48 1.53 0.75 0.86
8 E 112 112 28.48 1.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7881.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7881.6 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=FULL/daug-cc-pVTZ
ABC
5.43059 0.05550 0.05550

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.165
Mg2 0.000 0.000 -1.102
Br3 0.000 0.000 1.225
H4 0.000 1.013 -3.560
H5 0.878 -0.507 -3.560
H6 -0.878 -0.507 -3.560

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.06314.39001.08781.08781.0878
Mg22.06312.32692.65942.65942.6594
Br34.39002.32694.89184.89184.8918
H41.08782.65944.89181.75501.7550
H51.08782.65944.89181.75501.7550
H61.08782.65944.89181.75501.7550

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 111.334
Mg2 C1 H5 111.334 Mg2 C1 H6 111.334
H4 C1 H5 107.546 H4 C1 H6 107.546
H5 C1 H6 107.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability