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

using model chemistry: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-2812.023641
Energy at 298.15K 
HF Energy-2811.688108
Nuclear repulsion energy165.041682
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 CCD/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 3044 2912 24.30      
2 A1 1174 1123 3.12      
3 A1 607 581 75.78      
4 A1 305 292 13.17      
5 E 3135 2999 15.15      
5 E 3135 2999 15.15      
6 E 1454 1391 0.06      
6 E 1454 1391 0.06      
7 E 580 555 84.83      
7 E 580 555 84.83      
8 E 105 100 28.67      
8 E 105 100 28.67      

Unscaled Zero Point Vibrational Energy (zpe) 7838.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 7499.1 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 CCD/cc-pVDZ
ABC
5.26278 0.05392 0.05392

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.209
Mg2 0.000 0.000 -1.117
Br3 0.000 0.000 1.243
H4 0.000 1.029 -3.618
H5 0.891 -0.515 -3.618
H6 -0.891 -0.515 -3.618

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.09234.45281.10741.10741.1074
Mg22.09232.36052.70442.70442.7044
Br34.45282.36054.96914.96914.9691
H41.10742.70444.96911.78281.7828
H51.10742.70444.96911.78281.7828
H61.10742.70444.96911.78281.7828

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 111.649
Mg2 C1 H5 111.649 Mg2 C1 H6 111.649
H4 C1 H5 107.209 H4 C1 H6 107.209
H5 C1 H6 107.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability