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

using model chemistry: CCSD=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=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-2812.360220
Energy at 298.15K 
HF Energy-2811.786121
Nuclear repulsion energy167.393009
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=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 3058 2908 22.83      
2 A1 1174 1117 0.03      
3 A1 629 599 83.87      
4 A1 313 297 13.23      
5 E 3110 2958 15.16      
5 E 3110 2958 15.16      
6 E 1480 1407 0.10      
6 E 1480 1407 0.10      
7 E 564 536 74.16      
7 E 564 536 74.16      
8 E 118 112 29.23      
8 E 118 112 29.23      

Unscaled Zero Point Vibrational Energy (zpe) 7858.5 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 7473.4 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=FULL/aug-cc-pVTZ
ABC
5.42534 0.05544 0.05544

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.166
Mg2 0.000 0.000 -1.101
Br3 0.000 0.000 1.226
H4 0.000 1.014 -3.567
H5 0.878 -0.507 -3.567
H6 -0.878 -0.507 -3.567

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.06554.39241.08991.08991.0899
Mg22.06552.32692.66612.66612.6661
Br34.39242.32694.89884.89884.8988
H41.08992.66614.89881.75591.7559
H51.08992.66614.89881.75591.7559
H61.08992.66614.89881.75591.7559

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 111.550
Mg2 C1 H5 111.550 Mg2 C1 H6 111.550
H4 C1 H5 107.315 H4 C1 H6 107.315
H5 C1 H6 107.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability