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

using model chemistry: TPSSh/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 TPSSh/daug-cc-pVDZ
 hartrees
Energy at 0K-2814.128205
Energy at 298.15K 
HF Energy-2814.128205
Nuclear repulsion energy164.567517
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 TPSSh/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 2997 2997 33.66 194.80 0.00 0.00
2 A1 1149 1149 4.36 110.61 0.18 0.31
3 A1 590 590 80.76 12.73 0.18 0.31
4 A1 291 291 14.79 26.30 0.13 0.23
5 E 3078 3078 21.01 125.67 0.75 0.86
5 E 3078 3078 21.01 125.66 0.75 0.86
6 E 1435 1435 0.30 0.18 0.75 0.86
6 E 1435 1435 0.30 0.18 0.75 0.86
7 E 562 562 69.54 8.61 0.75 0.86
7 E 562 562 69.54 8.56 0.75 0.86
8 E 98 98 26.13 1.67 0.75 0.86
8 E 98 98 26.13 1.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7685.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7685.8 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 TPSSh/daug-cc-pVDZ
ABC
5.30596 0.05362 0.05362

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.216
Mg2 0.000 0.000 -1.125
Br3 0.000 0.000 1.247
H4 0.000 1.025 -3.622
H5 0.888 -0.513 -3.622
H6 -0.888 -0.513 -3.622

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.09074.46291.10291.10291.1029
Mg22.09072.37222.69972.69972.6997
Br34.46292.37224.97644.97644.9764
H41.10292.69974.97641.77551.7755
H51.10292.69974.97641.77551.7755
H61.10292.69974.97641.77551.7755

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 111.646
Mg2 C1 H5 111.646 Mg2 C1 H6 111.646
H4 C1 H5 107.211 H4 C1 H6 107.211
H5 C1 H6 107.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.245      
2 Mg -0.858      
3 Br 0.040      
4 H -0.142      
5 H -0.142      
6 H -0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.176 2.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.094 0.000 0.000
y 0.000 8.094 0.000
z 0.000 0.000 12.578


<r2> (average value of r2) Å2
<r2> 197.854
(<r2>)1/2 14.066