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

using model chemistry: MP2/daug-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/daug-cc-pVDZ
 hartrees
Energy at 0K-2812.023897
Energy at 298.15K 
HF Energy-2811.694228
Nuclear repulsion energy164.208611
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-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 3042 3042 18.44 210.13 0.00 0.00
2 A1 1138 1138 1.07 103.70 0.20 0.33
3 A1 604 604 84.64 12.54 0.17 0.30
4 A1 296 296 14.26 23.79 0.12 0.22
5 E 3140 3140 13.51 105.13 0.75 0.86
5 E 3140 3140 13.51 105.13 0.75 0.86
6 E 1433 1433 0.23 0.25 0.75 0.86
6 E 1433 1433 0.23 0.25 0.75 0.86
7 E 570 570 71.56 8.02 0.75 0.86
7 E 570 570 71.56 8.02 0.75 0.86
8 E 104 104 30.07 1.53 0.75 0.86
8 E 104 104 30.07 1.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7786.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7786.8 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-pVDZ
ABC
5.28304 0.05336 0.05336

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.225
Mg2 0.000 0.000 -1.127
Br3 0.000 0.000 1.250
H4 0.000 1.027 -3.629
H5 0.890 -0.514 -3.629
H6 -0.890 -0.514 -3.629

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.09844.47511.10401.10401.1040
Mg22.09842.37672.70542.70542.7054
Br34.47512.37674.98644.98644.9864
H41.10402.70544.98641.77941.7794
H51.10402.70544.98641.77941.7794
H61.10402.70544.98641.77941.7794

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