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

using model chemistry: CCSD(T)=FULL/aug-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 CCSD(T)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-2812.381391
Energy at 298.15K 
HF Energy-2811.786112
Nuclear repulsion energy167.284204
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 CCSD(T)=FULL/aug-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 3037 2927        
2 A1 1157 1115        
3 A1 628 605        
4 A1 311 300        
5 E 3091 2979        
5 E 3091 2979        
6 E 1465 1412        
6 E 1465 1412        
7 E 559 539        
7 E 559 539        
8 E 117 113        
8 E 116 112        

Unscaled Zero Point Vibrational Energy (zpe) 7798.7 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 7515.7 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 CCSD(T)=FULL/aug-cc-pVTZ
ABC
5.40324 0.05538 0.05538

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.168
Mg2 0.000 0.000 -1.102
Br3 0.000 0.000 1.227
H4 0.000 1.016 -3.568
H5 0.880 -0.508 -3.568
H6 -0.880 -0.508 -3.568

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.06554.39421.09181.09181.0918
Mg22.06552.32872.66672.66672.6667
Br34.39422.32874.90084.90084.9008
H41.09182.66674.90081.75951.7595
H51.09182.66674.90081.75951.7595
H61.09182.66674.90081.75951.7595

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 111.502
Mg2 C1 H5 111.502 Mg2 C1 H6 111.502
H4 C1 H5 107.366 H4 C1 H6 107.366
H5 C1 H6 107.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability